./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6591ce47dfe4224cb6f7a03e7ab6e8c9fb535aeaf619e89bc0784a15f3516b25 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:35:53,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:35:53,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:35:53,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:35:53,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:35:53,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:35:53,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:35:53,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:35:53,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:35:53,114 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:35:53,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:35:53,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:35:53,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:35:53,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:35:53,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:35:53,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:35:53,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:35:53,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:35:53,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:35:53,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:35:53,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:35:53,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:35:53,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:35:53,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:35:53,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:35:53,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:35:53,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:35:53,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:35:53,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:35:53,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:35:53,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:35:53,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:35:53,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:35:53,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:35:53,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:35:53,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:35:53,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:35:53,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:35:53,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:35:53,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:35:53,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:35:53,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:35:53,128 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6591ce47dfe4224cb6f7a03e7ab6e8c9fb535aeaf619e89bc0784a15f3516b25 [2024-11-22 02:35:53,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:35:53,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:35:53,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:35:53,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:35:53,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:35:53,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2024-11-22 02:35:54,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:35:54,936 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:35:54,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2024-11-22 02:35:54,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ce0c261/5e7691554c7c4419a81bc82a0a362290/FLAGa99af5f98 [2024-11-22 02:35:55,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ce0c261/5e7691554c7c4419a81bc82a0a362290 [2024-11-22 02:35:55,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:35:55,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:35:55,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:35:55,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:35:55,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:35:55,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:55" (1/1) ... [2024-11-22 02:35:55,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a1ac1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:55, skipping insertion in model container [2024-11-22 02:35:55,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:55" (1/1) ... [2024-11-22 02:35:55,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:35:55,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c[1800,1813] [2024-11-22 02:35:55,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:35:55,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:35:55,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [43] [2024-11-22 02:35:55,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c[1800,1813] [2024-11-22 02:35:56,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:35:56,116 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:35:56,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56 WrapperNode [2024-11-22 02:35:56,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:35:56,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:35:56,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:35:56,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:35:56,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,468 INFO L138 Inliner]: procedures = 60, calls = 3478, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 7564 [2024-11-22 02:35:56,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:35:56,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:35:56,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:35:56,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:35:56,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,604 INFO L175 MemorySlicer]: Split 2489 memory accesses to 19 slices as follows [2, 2, 8, 319, 355, 113, 113, 186, 203, 186, 203, 186, 203, 8, 186, 203, 2, 7, 4]. 14 percent of accesses are in the largest equivalence class. The 328 initializations are split as follows [2, 0, 0, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 0, 2, 0]. The 349 writes are split as follows [0, 1, 4, 27, 27, 27, 27, 31, 26, 31, 26, 31, 26, 4, 31, 26, 1, 3, 0]. [2024-11-22 02:35:56,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:35:56,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:35:56,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:35:56,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:35:56,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (1/1) ... [2024-11-22 02:35:56,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:35:56,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:35:56,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:35:56,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:35:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:35:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-22 02:35:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-22 02:35:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-22 02:35:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-22 02:35:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:35:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-22 02:35:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 02:35:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-22 02:35:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-22 02:35:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-22 02:35:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 02:35:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 02:35:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 02:35:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-22 02:35:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-22 02:35:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-22 02:35:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-22 02:35:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-22 02:35:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-22 02:35:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:35:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-22 02:35:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:35:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-22 02:35:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:35:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-22 02:35:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 02:35:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2024-11-22 02:35:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2024-11-22 02:35:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 02:35:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 02:35:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 02:35:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 02:35:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 02:35:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 02:35:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 02:35:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 02:35:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 02:35:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 02:35:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 02:35:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 02:35:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 02:35:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 02:35:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 02:35:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 02:35:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 02:35:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 02:35:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 02:35:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-22 02:35:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-22 02:35:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-22 02:35:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-22 02:35:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-22 02:35:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-22 02:35:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-22 02:35:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-22 02:35:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 02:35:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 02:35:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:35:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 02:35:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 02:35:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 02:35:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 02:35:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 02:35:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 02:35:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 02:35:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 02:35:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 02:35:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 02:35:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 02:35:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 02:35:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 02:35:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 02:35:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 02:35:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 02:35:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 02:35:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 02:35:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:35:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:35:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-22 02:35:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-22 02:35:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-22 02:35:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-22 02:35:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:35:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-22 02:35:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-22 02:35:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-22 02:35:57,343 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:35:57,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:36:05,181 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2024-11-22 02:36:05,181 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:36:05,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:36:05,235 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 02:36:05,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:05 BoogieIcfgContainer [2024-11-22 02:36:05,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:36:05,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:36:05,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:36:05,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:36:05,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:35:55" (1/3) ... [2024-11-22 02:36:05,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cea78b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:05, skipping insertion in model container [2024-11-22 02:36:05,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:56" (2/3) ... [2024-11-22 02:36:05,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cea78b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:05, skipping insertion in model container [2024-11-22 02:36:05,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:05" (3/3) ... [2024-11-22 02:36:05,243 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-1.c [2024-11-22 02:36:05,256 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:36:05,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:36:05,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:36:05,400 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;@40bfe91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:36:05,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:36:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 2216 states, 1252 states have (on average 1.2180511182108626) internal successors, (1525), 1381 states have internal predecessors, (1525), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (940), 840 states have call predecessors, (940), 940 states have call successors, (940) [2024-11-22 02:36:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2024-11-22 02:36:05,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:05,486 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:05,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:05,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:05,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1480126045, now seen corresponding path program 1 times [2024-11-22 02:36:05,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:05,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559767735] [2024-11-22 02:36:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:05,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2024-11-22 02:36:07,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:07,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559767735] [2024-11-22 02:36:07,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559767735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:36:07,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382160563] [2024-11-22 02:36:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:07,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:36:07,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:36:07,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:36:07,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:36:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:08,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 4650 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 02:36:08,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:36:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2024-11-22 02:36:08,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:36:08,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382160563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:08,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:36:08,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 02:36:08,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958538174] [2024-11-22 02:36:08,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:08,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:36:08,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:08,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:36:08,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:36:08,696 INFO L87 Difference]: Start difference. First operand has 2216 states, 1252 states have (on average 1.2180511182108626) internal successors, (1525), 1381 states have internal predecessors, (1525), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (940), 840 states have call predecessors, (940), 940 states have call successors, (940) Second operand has 2 states, 2 states have (on average 146.0) internal successors, (292), 2 states have internal predecessors, (292), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:08,878 INFO L93 Difference]: Finished difference Result 4427 states and 7724 transitions. [2024-11-22 02:36:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:36:08,881 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 146.0) internal successors, (292), 2 states have internal predecessors, (292), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1338 [2024-11-22 02:36:08,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:08,916 INFO L225 Difference]: With dead ends: 4427 [2024-11-22 02:36:08,917 INFO L226 Difference]: Without dead ends: 2211 [2024-11-22 02:36:08,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1339 GetRequests, 1339 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:36:08,956 INFO L432 NwaCegarLoop]: 3402 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3402 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:08,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:36:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2024-11-22 02:36:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2024-11-22 02:36:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1248 states have (on average 1.2163461538461537) internal successors, (1518), 1377 states have internal predecessors, (1518), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (939), 839 states have call predecessors, (939), 939 states have call successors, (939) [2024-11-22 02:36:09,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3397 transitions. [2024-11-22 02:36:09,479 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3397 transitions. Word has length 1338 [2024-11-22 02:36:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:09,481 INFO L471 AbstractCegarLoop]: Abstraction has 2211 states and 3397 transitions. [2024-11-22 02:36:09,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 146.0) internal successors, (292), 2 states have internal predecessors, (292), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3397 transitions. [2024-11-22 02:36:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2024-11-22 02:36:09,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:09,524 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:09,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 02:36:09,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 02:36:09,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:09,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:09,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1476267687, now seen corresponding path program 1 times [2024-11-22 02:36:09,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:09,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509130240] [2024-11-22 02:36:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:09,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86944 trivial. 0 not checked. [2024-11-22 02:36:11,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:11,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509130240] [2024-11-22 02:36:11,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509130240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:11,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:11,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:36:11,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700199845] [2024-11-22 02:36:11,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:11,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:36:11,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:11,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:36:11,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:36:11,178 INFO L87 Difference]: Start difference. First operand 2211 states and 3397 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (213), 2 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:11,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:11,288 INFO L93 Difference]: Finished difference Result 4417 states and 6815 transitions. [2024-11-22 02:36:11,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:36:11,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (213), 2 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1338 [2024-11-22 02:36:11,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:11,313 INFO L225 Difference]: With dead ends: 4417 [2024-11-22 02:36:11,314 INFO L226 Difference]: Without dead ends: 2211 [2024-11-22 02:36:11,332 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 [2024-11-22 02:36:11,333 INFO L432 NwaCegarLoop]: 3395 mSDtfsCounter, 0 mSDsluCounter, 3385 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6780 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:11,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6780 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:36:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2024-11-22 02:36:11,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2024-11-22 02:36:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1248 states have (on average 1.2155448717948718) internal successors, (1517), 1377 states have internal predecessors, (1517), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (939), 839 states have call predecessors, (939), 939 states have call successors, (939) [2024-11-22 02:36:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3396 transitions. [2024-11-22 02:36:11,677 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3396 transitions. Word has length 1338 [2024-11-22 02:36:11,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:11,684 INFO L471 AbstractCegarLoop]: Abstraction has 2211 states and 3396 transitions. [2024-11-22 02:36:11,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (213), 2 states have call predecessors, (213), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2024-11-22 02:36:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3396 transitions. [2024-11-22 02:36:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1347 [2024-11-22 02:36:11,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:11,698 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:11,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:36:11,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:11,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:11,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1358133795, now seen corresponding path program 1 times [2024-11-22 02:36:11,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:11,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861224469] [2024-11-22 02:36:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:11,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:15,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:15,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861224469] [2024-11-22 02:36:15,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861224469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:15,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:15,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:15,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790743189] [2024-11-22 02:36:15,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:15,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:15,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:15,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:15,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:15,208 INFO L87 Difference]: Start difference. First operand 2211 states and 3396 transitions. Second operand has 5 states, 4 states have (on average 73.0) internal successors, (292), 5 states have internal predecessors, (292), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) [2024-11-22 02:36:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:19,922 INFO L93 Difference]: Finished difference Result 5271 states and 8088 transitions. [2024-11-22 02:36:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:19,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 73.0) internal successors, (292), 5 states have internal predecessors, (292), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) Word has length 1346 [2024-11-22 02:36:19,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:19,949 INFO L225 Difference]: With dead ends: 5271 [2024-11-22 02:36:19,950 INFO L226 Difference]: Without dead ends: 3065 [2024-11-22 02:36:19,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:19,972 INFO L432 NwaCegarLoop]: 4629 mSDtfsCounter, 4637 mSDsluCounter, 3208 mSDsCounter, 0 mSdLazyCounter, 4064 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4637 SdHoareTripleChecker+Valid, 7837 SdHoareTripleChecker+Invalid, 4092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:19,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4637 Valid, 7837 Invalid, 4092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4064 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-22 02:36:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2024-11-22 02:36:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 3060. [2024-11-22 02:36:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 1772 states have (on average 1.2155756207674944) internal successors, (2154), 1901 states have internal predecessors, (2154), 1256 states have call successors, (1256), 32 states have call predecessors, (1256), 31 states have return successors, (1255), 1154 states have call predecessors, (1255), 1255 states have call successors, (1255) [2024-11-22 02:36:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4665 transitions. [2024-11-22 02:36:20,451 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4665 transitions. Word has length 1346 [2024-11-22 02:36:20,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:20,454 INFO L471 AbstractCegarLoop]: Abstraction has 3060 states and 4665 transitions. [2024-11-22 02:36:20,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 73.0) internal successors, (292), 5 states have internal predecessors, (292), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) [2024-11-22 02:36:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4665 transitions. [2024-11-22 02:36:20,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1351 [2024-11-22 02:36:20,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:20,475 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:20,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:36:20,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:20,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1626193810, now seen corresponding path program 1 times [2024-11-22 02:36:20,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:20,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114087714] [2024-11-22 02:36:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:22,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:22,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114087714] [2024-11-22 02:36:22,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114087714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:22,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:22,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:22,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671874320] [2024-11-22 02:36:22,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:22,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:22,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:22,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:22,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:22,254 INFO L87 Difference]: Start difference. First operand 3060 states and 4665 transitions. Second operand has 5 states, 4 states have (on average 73.5) internal successors, (294), 5 states have internal predecessors, (294), 4 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) [2024-11-22 02:36:26,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:26,259 INFO L93 Difference]: Finished difference Result 5550 states and 8492 transitions. [2024-11-22 02:36:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:26,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 73.5) internal successors, (294), 5 states have internal predecessors, (294), 4 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) Word has length 1350 [2024-11-22 02:36:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:26,294 INFO L225 Difference]: With dead ends: 5550 [2024-11-22 02:36:26,294 INFO L226 Difference]: Without dead ends: 3061 [2024-11-22 02:36:26,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:26,322 INFO L432 NwaCegarLoop]: 4622 mSDtfsCounter, 4627 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4627 SdHoareTripleChecker+Valid, 7825 SdHoareTripleChecker+Invalid, 4081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:26,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4627 Valid, 7825 Invalid, 4081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-22 02:36:26,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3061 states. [2024-11-22 02:36:26,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3061 to 3056. [2024-11-22 02:36:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3056 states, 1770 states have (on average 1.2146892655367232) internal successors, (2150), 1899 states have internal predecessors, (2150), 1254 states have call successors, (1254), 32 states have call predecessors, (1254), 31 states have return successors, (1253), 1152 states have call predecessors, (1253), 1253 states have call successors, (1253) [2024-11-22 02:36:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 4657 transitions. [2024-11-22 02:36:26,852 INFO L78 Accepts]: Start accepts. Automaton has 3056 states and 4657 transitions. Word has length 1350 [2024-11-22 02:36:26,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:26,854 INFO L471 AbstractCegarLoop]: Abstraction has 3056 states and 4657 transitions. [2024-11-22 02:36:26,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 73.5) internal successors, (294), 5 states have internal predecessors, (294), 4 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) [2024-11-22 02:36:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3056 states and 4657 transitions. [2024-11-22 02:36:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1352 [2024-11-22 02:36:26,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:26,865 INFO L215 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:26,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:36:26,866 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:26,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1101304863, now seen corresponding path program 1 times [2024-11-22 02:36:26,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697409728] [2024-11-22 02:36:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:26,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2024-11-22 02:36:29,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:29,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697409728] [2024-11-22 02:36:29,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697409728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:29,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:29,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:29,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944135354] [2024-11-22 02:36:29,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:29,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:29,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:29,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:29,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:29,782 INFO L87 Difference]: Start difference. First operand 3056 states and 4657 transitions. Second operand has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 5 states have internal predecessors, (295), 3 states have call successors, (216), 3 states have call predecessors, (216), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) [2024-11-22 02:36:33,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:33,401 INFO L93 Difference]: Finished difference Result 5446 states and 8327 transitions. [2024-11-22 02:36:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:33,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 5 states have internal predecessors, (295), 3 states have call successors, (216), 3 states have call predecessors, (216), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) Word has length 1351 [2024-11-22 02:36:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:33,446 INFO L225 Difference]: With dead ends: 5446 [2024-11-22 02:36:33,447 INFO L226 Difference]: Without dead ends: 5444 [2024-11-22 02:36:33,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:36:33,451 INFO L432 NwaCegarLoop]: 3390 mSDtfsCounter, 4150 mSDsluCounter, 9114 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4510 SdHoareTripleChecker+Valid, 12504 SdHoareTripleChecker+Invalid, 3669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 883 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:33,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4510 Valid, 12504 Invalid, 3669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [883 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-22 02:36:33,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2024-11-22 02:36:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 5416. [2024-11-22 02:36:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 3144 states have (on average 1.2229643765903309) internal successors, (3845), 3397 states have internal predecessors, (3845), 2213 states have call successors, (2213), 58 states have call predecessors, (2213), 58 states have return successors, (2240), 2014 states have call predecessors, (2240), 2211 states have call successors, (2240) [2024-11-22 02:36:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8298 transitions. [2024-11-22 02:36:34,458 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8298 transitions. Word has length 1351 [2024-11-22 02:36:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:34,461 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8298 transitions. [2024-11-22 02:36:34,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 5 states have internal predecessors, (295), 3 states have call successors, (216), 3 states have call predecessors, (216), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) [2024-11-22 02:36:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8298 transitions. [2024-11-22 02:36:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1403 [2024-11-22 02:36:34,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:34,483 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:34,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:36:34,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:34,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:34,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1087512472, now seen corresponding path program 1 times [2024-11-22 02:36:34,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:34,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873047749] [2024-11-22 02:36:34,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:34,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 87792 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 87790 trivial. 0 not checked. [2024-11-22 02:36:36,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:36,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873047749] [2024-11-22 02:36:36,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873047749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:36,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:36,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:36:36,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689739803] [2024-11-22 02:36:36,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:36,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:36:36,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:36,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:36:36,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:36:36,959 INFO L87 Difference]: Start difference. First operand 5416 states and 8298 transitions. Second operand has 5 states, 4 states have (on average 82.0) internal successors, (328), 5 states have internal predecessors, (328), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (219), 3 states have call predecessors, (219), 4 states have call successors, (219) [2024-11-22 02:36:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:39,667 INFO L93 Difference]: Finished difference Result 10789 states and 16520 transitions. [2024-11-22 02:36:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 82.0) internal successors, (328), 5 states have internal predecessors, (328), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (219), 3 states have call predecessors, (219), 4 states have call successors, (219) Word has length 1402 [2024-11-22 02:36:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:39,722 INFO L225 Difference]: With dead ends: 10789 [2024-11-22 02:36:39,722 INFO L226 Difference]: Without dead ends: 5944 [2024-11-22 02:36:39,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:39,757 INFO L432 NwaCegarLoop]: 3749 mSDtfsCounter, 3757 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 5881 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:39,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 5881 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-22 02:36:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2024-11-22 02:36:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 5942. [2024-11-22 02:36:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5942 states, 3532 states have (on average 1.2358437146092864) internal successors, (4365), 3785 states have internal predecessors, (4365), 2337 states have call successors, (2337), 72 states have call predecessors, (2337), 72 states have return successors, (2364), 2138 states have call predecessors, (2364), 2335 states have call successors, (2364) [2024-11-22 02:36:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 9066 transitions. [2024-11-22 02:36:40,975 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 9066 transitions. Word has length 1402 [2024-11-22 02:36:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:40,979 INFO L471 AbstractCegarLoop]: Abstraction has 5942 states and 9066 transitions. [2024-11-22 02:36:40,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 82.0) internal successors, (328), 5 states have internal predecessors, (328), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (219), 3 states have call predecessors, (219), 4 states have call successors, (219) [2024-11-22 02:36:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 9066 transitions. [2024-11-22 02:36:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1407 [2024-11-22 02:36:40,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:40,999 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:41,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:36:41,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:41,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:41,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2022488022, now seen corresponding path program 1 times [2024-11-22 02:36:41,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:41,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113700625] [2024-11-22 02:36:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:41,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 87792 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 87784 trivial. 0 not checked. [2024-11-22 02:36:42,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:42,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113700625] [2024-11-22 02:36:42,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113700625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:42,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:42,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:42,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124317980] [2024-11-22 02:36:42,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:42,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:42,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:42,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:42,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:42,510 INFO L87 Difference]: Start difference. First operand 5942 states and 9066 transitions. Second operand has 6 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-22 02:36:46,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:46,572 INFO L93 Difference]: Finished difference Result 11300 states and 17266 transitions. [2024-11-22 02:36:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:36:46,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) Word has length 1406 [2024-11-22 02:36:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:46,614 INFO L225 Difference]: With dead ends: 11300 [2024-11-22 02:36:46,615 INFO L226 Difference]: Without dead ends: 5929 [2024-11-22 02:36:46,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:36:46,650 INFO L432 NwaCegarLoop]: 4637 mSDtfsCounter, 5459 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 3516 mSolverCounterSat, 898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5459 SdHoareTripleChecker+Valid, 7523 SdHoareTripleChecker+Invalid, 4414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 898 IncrementalHoareTripleChecker+Valid, 3516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:46,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5459 Valid, 7523 Invalid, 4414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [898 Valid, 3516 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-22 02:36:46,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5929 states. [2024-11-22 02:36:47,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5929 to 5926. [2024-11-22 02:36:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 3522 states have (on average 1.2342419080068143) internal successors, (4347), 3775 states have internal predecessors, (4347), 2331 states have call successors, (2331), 72 states have call predecessors, (2331), 72 states have return successors, (2358), 2132 states have call predecessors, (2358), 2329 states have call successors, (2358) [2024-11-22 02:36:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 9036 transitions. [2024-11-22 02:36:47,603 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 9036 transitions. Word has length 1406 [2024-11-22 02:36:47,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:47,604 INFO L471 AbstractCegarLoop]: Abstraction has 5926 states and 9036 transitions. [2024-11-22 02:36:47,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-22 02:36:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 9036 transitions. [2024-11-22 02:36:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1408 [2024-11-22 02:36:47,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:47,619 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:47,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:36:47,620 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:47,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1996570638, now seen corresponding path program 1 times [2024-11-22 02:36:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:47,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023304992] [2024-11-22 02:36:47,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 87792 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 87785 trivial. 0 not checked. [2024-11-22 02:36:49,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:49,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023304992] [2024-11-22 02:36:49,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023304992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:49,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:49,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:49,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651440549] [2024-11-22 02:36:49,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:49,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:49,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:49,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:49,218 INFO L87 Difference]: Start difference. First operand 5926 states and 9036 transitions. Second operand has 6 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-22 02:36:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:52,118 INFO L93 Difference]: Finished difference Result 11277 states and 17214 transitions. [2024-11-22 02:36:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:52,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) Word has length 1407 [2024-11-22 02:36:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:52,158 INFO L225 Difference]: With dead ends: 11277 [2024-11-22 02:36:52,159 INFO L226 Difference]: Without dead ends: 5922 [2024-11-22 02:36:52,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:36:52,192 INFO L432 NwaCegarLoop]: 3735 mSDtfsCounter, 4150 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 5854 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:52,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 5854 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-22 02:36:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5922 states. [2024-11-22 02:36:53,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5922 to 5920. [2024-11-22 02:36:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 3518 states have (on average 1.233371233655486) internal successors, (4339), 3771 states have internal predecessors, (4339), 2329 states have call successors, (2329), 72 states have call predecessors, (2329), 72 states have return successors, (2356), 2130 states have call predecessors, (2356), 2327 states have call successors, (2356) [2024-11-22 02:36:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 9024 transitions. [2024-11-22 02:36:53,137 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 9024 transitions. Word has length 1407 [2024-11-22 02:36:53,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:53,139 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 9024 transitions. [2024-11-22 02:36:53,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.833333333333336) internal successors, (335), 6 states have internal predecessors, (335), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2024-11-22 02:36:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 9024 transitions. [2024-11-22 02:36:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1412 [2024-11-22 02:36:53,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:36:53,235 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:36:53,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:36:53,237 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:36:53,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:36:53,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1183632575, now seen corresponding path program 1 times [2024-11-22 02:36:53,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:36:53,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651279277] [2024-11-22 02:36:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:36:53,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:36:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:36:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 87790 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 87784 trivial. 0 not checked. [2024-11-22 02:36:54,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:36:54,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651279277] [2024-11-22 02:36:54,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651279277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:36:54,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:36:54,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:36:54,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181980145] [2024-11-22 02:36:54,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:36:54,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:36:54,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:36:54,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:36:54,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:36:54,884 INFO L87 Difference]: Start difference. First operand 5920 states and 9024 transitions. Second operand has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (221), 4 states have call predecessors, (221), 4 states have call successors, (221) [2024-11-22 02:36:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:36:58,964 INFO L93 Difference]: Finished difference Result 11268 states and 17196 transitions. [2024-11-22 02:36:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:36:58,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (221), 4 states have call predecessors, (221), 4 states have call successors, (221) Word has length 1411 [2024-11-22 02:36:58,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:36:59,000 INFO L225 Difference]: With dead ends: 11268 [2024-11-22 02:36:59,001 INFO L226 Difference]: Without dead ends: 5919 [2024-11-22 02:36:59,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:36:59,039 INFO L432 NwaCegarLoop]: 4633 mSDtfsCounter, 6756 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 2569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6756 SdHoareTripleChecker+Valid, 6721 SdHoareTripleChecker+Invalid, 5198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2569 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:36:59,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6756 Valid, 6721 Invalid, 5198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2569 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-22 02:36:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5919 states. [2024-11-22 02:36:59,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5919 to 5916. [2024-11-22 02:36:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5916 states, 3516 states have (on average 1.2329351535836177) internal successors, (4335), 3769 states have internal predecessors, (4335), 2327 states have call successors, (2327), 72 states have call predecessors, (2327), 72 states have return successors, (2354), 2128 states have call predecessors, (2354), 2325 states have call successors, (2354) [2024-11-22 02:36:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 5916 states and 9016 transitions. [2024-11-22 02:36:59,985 INFO L78 Accepts]: Start accepts. Automaton has 5916 states and 9016 transitions. Word has length 1411 [2024-11-22 02:36:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:36:59,986 INFO L471 AbstractCegarLoop]: Abstraction has 5916 states and 9016 transitions. [2024-11-22 02:36:59,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (221), 4 states have call predecessors, (221), 4 states have call successors, (221) [2024-11-22 02:36:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5916 states and 9016 transitions. [2024-11-22 02:37:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1413 [2024-11-22 02:37:00,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:37:00,001 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:37:00,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:37:00,002 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:37:00,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:37:00,003 INFO L85 PathProgramCache]: Analyzing trace with hash -520201814, now seen corresponding path program 1 times [2024-11-22 02:37:00,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:37:00,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690153008] [2024-11-22 02:37:00,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:00,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:37:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 87795 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 87791 trivial. 0 not checked. [2024-11-22 02:37:02,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:37:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690153008] [2024-11-22 02:37:02,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690153008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:37:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264625461] [2024-11-22 02:37:02,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:37:02,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:37:02,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:37:02,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:37:02,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 02:37:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:37:03,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 4843 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 02:37:03,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:37:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 87795 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 86951 trivial. 0 not checked. [2024-11-22 02:37:03,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 02:37:03,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264625461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:37:03,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 02:37:03,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-22 02:37:03,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059795663] [2024-11-22 02:37:03,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:37:03,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:37:03,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:37:03,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:37:03,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:37:03,804 INFO L87 Difference]: Start difference. First operand 5916 states and 9016 transitions. Second operand has 8 states, 8 states have (on average 42.375) internal successors, (339), 7 states have internal predecessors, (339), 3 states have call successors, (223), 4 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2024-11-22 02:37:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:37:06,634 INFO L93 Difference]: Finished difference Result 9095 states and 13918 transitions. [2024-11-22 02:37:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:37:06,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 42.375) internal successors, (339), 7 states have internal predecessors, (339), 3 states have call successors, (223), 4 states have call predecessors, (223), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1412 [2024-11-22 02:37:06,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:37:06,719 INFO L225 Difference]: With dead ends: 9095 [2024-11-22 02:37:06,720 INFO L226 Difference]: Without dead ends: 9093 [2024-11-22 02:37:06,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1423 GetRequests, 1410 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-22 02:37:06,731 INFO L432 NwaCegarLoop]: 3926 mSDtfsCounter, 3731 mSDsluCounter, 12669 mSDsCounter, 0 mSdLazyCounter, 2512 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 16595 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:37:06,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 16595 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2512 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-22 02:37:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9093 states.