./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 03:29:38,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:29:38,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:29:38,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:29:38,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:29:38,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:29:38,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:29:38,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:29:38,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:29:38,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:29:38,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:29:38,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:29:38,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:29:38,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:29:38,593 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:29:38,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:29:38,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:29:38,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:29:38,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:29:38,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:29:38,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:29:38,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:29:38,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:29:38,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:29:38,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:29:38,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:29:38,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:29:38,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:29:38,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:29:38,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:29:38,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:29:38,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:29:38,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:29:38,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:29:38,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:29:38,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:29:38,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:29:38,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:29:38,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:29:38,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:29:38,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:29:38,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:29:38,605 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 [2024-10-11 03:29:38,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:29:38,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:29:38,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:29:38,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:29:38,888 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:29:38,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2024-10-11 03:29:40,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:29:40,711 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:29:40,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2024-10-11 03:29:40,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/90c767d24/043aba2eceab4093a3f9be6f153fc03f/FLAG1df1d08e4 [2024-10-11 03:29:40,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/90c767d24/043aba2eceab4093a3f9be6f153fc03f [2024-10-11 03:29:40,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:29:40,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:29:40,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:29:40,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:29:40,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:29:40,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:29:40" (1/1) ... [2024-10-11 03:29:40,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251e3caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:40, skipping insertion in model container [2024-10-11 03:29:40,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:29:40" (1/1) ... [2024-10-11 03:29:40,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:29:41,059 WARN L248 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/rekcba_nxt.1.M1-2.c[1673,1686] [2024-10-11 03:29:41,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:29:41,395 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:29:41,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok1.i","-S") [42] [2024-10-11 03:29:41,411 WARN L248 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/rekcba_nxt.1.M1-2.c[1673,1686] [2024-10-11 03:29:41,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:29:41,587 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:29:41,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41 WrapperNode [2024-10-11 03:29:41,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:29:41,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:29:41,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:29:41,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:29:41,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:41,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:41,895 INFO L138 Inliner]: procedures = 57, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3845 [2024-10-11 03:29:41,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:29:41,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:29:41,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:29:41,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:29:41,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:41,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:41,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,028 INFO L175 MemorySlicer]: Split 1232 memory accesses to 17 slices as follows [2, 4, 2, 241, 282, 156, 113, 8, 79, 57, 57, 79, 56, 79, 2, 8, 7]. 23 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 0, 0, 2, 2, 0, 1, 1, 0, 0, 0, 0, 0, 0, 2]. The 181 writes are split as follows [0, 0, 1, 25, 25, 2, 2, 4, 1, 1, 29, 27, 29, 27, 1, 4, 3]. [2024-10-11 03:29:42,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:29:42,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:29:42,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:29:42,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:29:42,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (1/1) ... [2024-10-11 03:29:42,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:29:42,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:29:42,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 03:29:42,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 03:29:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:29:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-10-11 03:29:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-10-11 03:29:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-10-11 03:29:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-10-11 03:29:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 03:29:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-10-11 03:29:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-10-11 03:29:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-10-11 03:29:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-10-11 03:29:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-10-11 03:29:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-10-11 03:29:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 03:29:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 03:29:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 03:29:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 03:29:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 03:29:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 03:29:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 03:29:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 03:29:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 03:29:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 03:29:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 03:29:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 03:29:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 03:29:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 03:29:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 03:29:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 03:29:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 03:29:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-10-11 03:29:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-10-11 03:29:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-10-11 03:29:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-10-11 03:29:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-10-11 03:29:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-10-11 03:29:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-10-11 03:29:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-10-11 03:29:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 03:29:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 03:29:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 03:29:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 03:29:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 03:29:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 03:29:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-10-11 03:29:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-10-11 03:29:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 03:29:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 03:29:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:29:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 03:29:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 03:29:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 03:29:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 03:29:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 03:29:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 03:29:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 03:29:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:29:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:29:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-10-11 03:29:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-10-11 03:29:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-10-11 03:29:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-10-11 03:29:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-10-11 03:29:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-10-11 03:29:42,730 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:29:42,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:29:47,928 INFO L? ?]: Removed 193 outVars from TransFormulas that were not future-live. [2024-10-11 03:29:47,929 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:29:48,068 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:29:48,069 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 03:29:48,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:29:48 BoogieIcfgContainer [2024-10-11 03:29:48,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:29:48,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:29:48,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:29:48,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:29:48,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:29:40" (1/3) ... [2024-10-11 03:29:48,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc5449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:29:48, skipping insertion in model container [2024-10-11 03:29:48,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:29:41" (2/3) ... [2024-10-11 03:29:48,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc5449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:29:48, skipping insertion in model container [2024-10-11 03:29:48,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:29:48" (3/3) ... [2024-10-11 03:29:48,077 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-2.c [2024-10-11 03:29:48,093 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:29:48,093 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 03:29:48,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:29:48,206 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;@f2009d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:29:48,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 03:29:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 1105 states, 696 states have (on average 1.3031609195402298) internal successors, (907), 728 states have internal predecessors, (907), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2024-10-11 03:29:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-10-11 03:29:48,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:29:48,282 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:29:48,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:29:48,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:29:48,289 INFO L85 PathProgramCache]: Analyzing trace with hash 735321255, now seen corresponding path program 1 times [2024-10-11 03:29:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:29:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19861552] [2024-10-11 03:29:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:29:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:29:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:29:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 03:29:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 03:29:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 03:29:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:29:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:29:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 03:29:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:29:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 03:29:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 03:29:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 03:29:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 03:29:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 03:29:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 03:29:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 03:29:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 03:29:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 03:29:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 03:29:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 03:29:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 03:29:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 03:29:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 03:29:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 03:29:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 03:29:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 03:29:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 03:29:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 03:29:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 03:29:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 03:29:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 03:29:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 03:29:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 03:29:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 03:29:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-11 03:29:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-11 03:29:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2024-10-11 03:29:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2024-10-11 03:29:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2024-10-11 03:29:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-11 03:29:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-11 03:29:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-11 03:29:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2024-10-11 03:29:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-10-11 03:29:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2024-10-11 03:29:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-10-11 03:29:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2024-10-11 03:29:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-10-11 03:29:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2024-10-11 03:29:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-10-11 03:29:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2024-10-11 03:29:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-10-11 03:29:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-10-11 03:29:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2024-10-11 03:29:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-10-11 03:29:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-11 03:29:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-10-11 03:29:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 03:29:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-10-11 03:29:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 03:29:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-10-11 03:29:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 03:29:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-10-11 03:29:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 03:29:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-10-11 03:29:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 03:29:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-10-11 03:29:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 03:29:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-10-11 03:29:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-11 03:29:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-10-11 03:29:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2024-10-11 03:29:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-10-11 03:29:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-10-11 03:29:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-10-11 03:29:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-10-11 03:29:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-10-11 03:29:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-10-11 03:29:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2024-10-11 03:29:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2024-10-11 03:29:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2024-10-11 03:29:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2024-10-11 03:29:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2024-10-11 03:29:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-10-11 03:29:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2024-10-11 03:29:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2024-10-11 03:29:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:29:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2024-10-11 03:29:49,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:29:49,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19861552] [2024-10-11 03:29:49,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19861552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:29:49,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:29:49,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 03:29:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142146365] [2024-10-11 03:29:49,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:29:49,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 03:29:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:29:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 03:29:49,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 03:29:49,998 INFO L87 Difference]: Start difference. First operand has 1105 states, 696 states have (on average 1.3031609195402298) internal successors, (907), 728 states have internal predecessors, (907), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) Second operand has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2024-10-11 03:29:52,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:29:52,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:29:52,673 INFO L93 Difference]: Finished difference Result 2208 states and 3755 transitions. [2024-10-11 03:29:52,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 03:29:52,677 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) Word has length 716 [2024-10-11 03:29:52,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:29:52,697 INFO L225 Difference]: With dead ends: 2208 [2024-10-11 03:29:52,697 INFO L226 Difference]: Without dead ends: 1102 [2024-10-11 03:29:52,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 03:29:52,714 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:29:52,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1663 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 03:29:52,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2024-10-11 03:29:53,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2024-10-11 03:29:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 694 states have (on average 1.2968299711815563) internal successors, (900), 725 states have internal predecessors, (900), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2024-10-11 03:29:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1684 transitions. [2024-10-11 03:29:53,187 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1684 transitions. Word has length 716 [2024-10-11 03:29:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:29:53,188 INFO L471 AbstractCegarLoop]: Abstraction has 1102 states and 1684 transitions. [2024-10-11 03:29:53,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2024-10-11 03:29:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1684 transitions. [2024-10-11 03:29:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-10-11 03:29:53,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:29:53,218 INFO L215 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:29:53,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 03:29:53,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:29:53,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:29:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1324394833, now seen corresponding path program 1 times [2024-10-11 03:29:53,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:29:53,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403400493] [2024-10-11 03:29:53,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:29:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:30:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:30:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 03:30:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 03:30:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 03:30:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:30:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:30:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 03:30:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:30:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 03:30:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 03:30:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 03:30:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 03:30:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 03:30:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 03:30:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 03:30:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 03:30:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 03:30:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 03:30:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 03:30:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 03:30:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 03:30:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 03:30:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 03:30:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 03:30:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 03:30:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 03:30:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 03:30:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 03:30:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 03:30:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 03:30:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 03:30:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 03:30:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 03:30:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-11 03:30:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-11 03:30:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2024-10-11 03:30:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2024-10-11 03:30:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2024-10-11 03:30:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:19,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-11 03:30:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-11 03:30:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-11 03:30:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2024-10-11 03:30:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-10-11 03:30:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2024-10-11 03:30:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-10-11 03:30:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2024-10-11 03:30:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-10-11 03:30:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2024-10-11 03:30:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-10-11 03:30:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2024-10-11 03:30:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-10-11 03:30:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-10-11 03:30:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2024-10-11 03:30:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-10-11 03:30:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-11 03:30:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-10-11 03:30:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-10-11 03:30:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-10-11 03:30:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-10-11 03:30:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-10-11 03:30:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-11 03:30:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-10-11 03:30:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-10-11 03:30:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-10-11 03:30:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-10-11 03:30:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-10-11 03:30:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-10-11 03:30:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-10-11 03:30:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-11 03:30:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-10-11 03:30:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2024-10-11 03:30:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-10-11 03:30:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-10-11 03:30:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-10-11 03:30:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-10-11 03:30:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-10-11 03:30:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-10-11 03:30:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2024-10-11 03:30:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2024-10-11 03:30:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2024-10-11 03:30:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2024-10-11 03:30:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2024-10-11 03:30:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-10-11 03:30:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2024-10-11 03:30:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2024-10-11 03:30:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 6 proven. 492 refuted. 0 times theorem prover too weak. 13782 trivial. 0 not checked. [2024-10-11 03:30:20,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:30:20,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403400493] [2024-10-11 03:30:20,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403400493] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:30:20,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053792134] [2024-10-11 03:30:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:30:20,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:30:20,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:30:20,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:30:20,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 03:30:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:30:22,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-10-11 03:30:22,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:30:22,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-10-11 03:30:22,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 03:30:22,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-11 03:30:22,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-10-11 03:30:23,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 31 [2024-10-11 03:30:23,900 INFO L224 Elim1Store]: Index analysis took 349 ms [2024-10-11 03:30:24,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 276 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 57 [2024-10-11 03:30:31,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 03:30:31,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 125 treesize of output 81 [2024-10-11 03:30:33,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-10-11 03:30:33,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 03:30:33,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 18 [2024-10-11 03:30:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 7760 proven. 240 refuted. 0 times theorem prover too weak. 6280 trivial. 0 not checked. [2024-10-11 03:30:34,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:30:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 33 proven. 714 refuted. 0 times theorem prover too weak. 13533 trivial. 0 not checked. [2024-10-11 03:30:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053792134] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:30:36,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:30:36,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 19] total 52 [2024-10-11 03:30:36,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480323058] [2024-10-11 03:30:36,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:30:36,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-11 03:30:36,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:30:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-11 03:30:36,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=420, Invalid=2232, Unknown=0, NotChecked=0, Total=2652 [2024-10-11 03:30:36,300 INFO L87 Difference]: Start difference. First operand 1102 states and 1684 transitions. Second operand has 52 states, 43 states have (on average 16.3953488372093) internal successors, (705), 49 states have internal predecessors, (705), 21 states have call successors, (203), 6 states have call predecessors, (203), 12 states have return successors, (203), 15 states have call predecessors, (203), 21 states have call successors, (203)