./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:34:42,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:34:42,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:34:42,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:34:42,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:34:42,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:34:42,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:34:42,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:34:42,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:34:42,833 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:34:42,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:34:42,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:34:42,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:34:42,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:34:42,833 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:34:42,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:34:42,834 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:34:42,834 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:34:42,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:34:42,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:34:42,835 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:34:42,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:34:42,838 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 [2025-01-09 04:34:43,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:34:43,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:34:43,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:34:43,192 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:34:43,193 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:34:43,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2025-01-09 04:34:44,558 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cfdfa34a8/05bb2a5213c74903946e09487a3bf713/FLAG4db375bc3 [2025-01-09 04:34:44,980 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:34:44,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2025-01-09 04:34:45,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cfdfa34a8/05bb2a5213c74903946e09487a3bf713/FLAG4db375bc3 [2025-01-09 04:34:45,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cfdfa34a8/05bb2a5213c74903946e09487a3bf713 [2025-01-09 04:34:45,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:34:45,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:34:45,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:34:45,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:34:45,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:34:45,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:45,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3981be5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45, skipping insertion in model container [2025-01-09 04:34:45,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:45,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:34:45,253 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2025-01-09 04:34:45,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:34:45,581 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:34:45,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [42] [2025-01-09 04:34:45,597 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2025-01-09 04:34:45,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:34:45,879 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:34:45,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45 WrapperNode [2025-01-09 04:34:45,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:34:45,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:34:45,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:34:45,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:34:45,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:45,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,207 INFO L138 Inliner]: procedures = 60, calls = 2794, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 6071 [2025-01-09 04:34:46,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:34:46,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:34:46,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:34:46,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:34:46,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,265 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,357 INFO L175 MemorySlicer]: Split 1970 memory accesses to 17 slices as follows [2, 2, 277, 285, 4, 113, 113, 180, 7, 203, 180, 203, 180, 8, 203, 2, 8]. 14 percent of accesses are in the largest equivalence class. The 274 initializations are split as follows [2, 0, 27, 27, 0, 27, 27, 27, 2, 27, 27, 27, 27, 0, 27, 0, 0]. The 283 writes are split as follows [0, 1, 27, 27, 0, 27, 27, 28, 3, 26, 28, 26, 28, 4, 26, 1, 4]. [2025-01-09 04:34:46,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:34:46,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:34:46,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:34:46,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:34:46,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (1/1) ... [2025-01-09 04:34:46,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:34:46,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:34:46,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:34:46,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:34:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:34:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:34:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:34:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:34:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:34:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:34:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:34:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:34:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:34:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2025-01-09 04:34:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:34:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:34:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:34:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:34:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:34:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:34:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2025-01-09 04:34:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:34:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:34:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:34:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:34:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:34:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:34:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:34:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:34:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:34:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:34:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:34:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:34:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:34:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:34:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:34:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:34:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:34:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:34:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:34:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:34:47,235 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:34:47,237 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:34:55,910 INFO L? ?]: Removed 378 outVars from TransFormulas that were not future-live. [2025-01-09 04:34:55,911 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:34:55,970 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:34:55,974 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:34:55,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:34:55 BoogieIcfgContainer [2025-01-09 04:34:55,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:34:55,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:34:55,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:34:55,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:34:55,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:34:45" (1/3) ... [2025-01-09 04:34:55,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712e704e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:34:55, skipping insertion in model container [2025-01-09 04:34:55,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:34:45" (2/3) ... [2025-01-09 04:34:55,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712e704e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:34:55, skipping insertion in model container [2025-01-09 04:34:55,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:34:55" (3/3) ... [2025-01-09 04:34:55,985 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_nxt.3.M1.c [2025-01-09 04:34:56,000 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:34:56,004 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_nxt.3.M1.c that has 19 procedures, 1813 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:34:56,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:34:56,131 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;@3307b14f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:34:56,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:34:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 1813 states, 1021 states have (on average 1.227228207639569) internal successors, (1253), 1149 states have internal predecessors, (1253), 772 states have call successors, (772), 18 states have call predecessors, (772), 18 states have return successors, (772), 673 states have call predecessors, (772), 772 states have call successors, (772) [2025-01-09 04:34:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2025-01-09 04:34:56,212 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:34:56,213 INFO L218 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] [2025-01-09 04:34:56,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:34:56,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:34:56,220 INFO L85 PathProgramCache]: Analyzing trace with hash -987019572, now seen corresponding path program 1 times [2025-01-09 04:34:56,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:34:56,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109798163] [2025-01-09 04:34:56,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:34:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:34:57,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1308 statements into 1 equivalence classes. [2025-01-09 04:34:57,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1308 of 1308 statements. [2025-01-09 04:34:57,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:34:57,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:34:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2025-01-09 04:34:58,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:34:58,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109798163] [2025-01-09 04:34:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109798163] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:34:58,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415743821] [2025-01-09 04:34:58,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:34:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:34:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:34:58,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:34:58,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 04:34:59,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1308 statements into 1 equivalence classes. [2025-01-09 04:35:00,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1308 of 1308 statements. [2025-01-09 04:35:00,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:00,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:00,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 4163 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 04:35:00,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:35:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 86528 trivial. 0 not checked. [2025-01-09 04:35:00,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:35:00,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415743821] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:00,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:35:00,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 04:35:00,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526401945] [2025-01-09 04:35:00,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:00,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:35:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:00,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:35:00,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:35:00,317 INFO L87 Difference]: Start difference. First operand has 1813 states, 1021 states have (on average 1.227228207639569) internal successors, (1253), 1149 states have internal predecessors, (1253), 772 states have call successors, (772), 18 states have call predecessors, (772), 18 states have return successors, (772), 673 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 2 states have call successors, (212), 2 states have call predecessors, (212), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2025-01-09 04:35:00,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:00,561 INFO L93 Difference]: Finished difference Result 3621 states and 6342 transitions. [2025-01-09 04:35:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:35:00,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 2 states have call successors, (212), 2 states have call predecessors, (212), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1308 [2025-01-09 04:35:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:00,594 INFO L225 Difference]: With dead ends: 3621 [2025-01-09 04:35:00,595 INFO L226 Difference]: Without dead ends: 1808 [2025-01-09 04:35:00,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1309 GetRequests, 1309 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:35:00,622 INFO L435 NwaCegarLoop]: 2795 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, 2795 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 [2025-01-09 04:35:00,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2795 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:35:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2025-01-09 04:35:01,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1808. [2025-01-09 04:35:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1017 states have (on average 1.2261553588987217) internal successors, (1247), 1145 states have internal predecessors, (1247), 772 states have call successors, (772), 18 states have call predecessors, (772), 18 states have return successors, (771), 672 states have call predecessors, (771), 771 states have call successors, (771) [2025-01-09 04:35:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2790 transitions. [2025-01-09 04:35:01,107 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2790 transitions. Word has length 1308 [2025-01-09 04:35:01,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:01,109 INFO L471 AbstractCegarLoop]: Abstraction has 1808 states and 2790 transitions. [2025-01-09 04:35:01,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 2 states have call successors, (212), 2 states have call predecessors, (212), 1 states have return successors, (211), 1 states have call predecessors, (211), 2 states have call successors, (211) [2025-01-09 04:35:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2790 transitions. [2025-01-09 04:35:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2025-01-09 04:35:01,171 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:01,171 INFO L218 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] [2025-01-09 04:35:01,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 04:35:01,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 04:35:01,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:01,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:01,375 INFO L85 PathProgramCache]: Analyzing trace with hash 338738306, now seen corresponding path program 1 times [2025-01-09 04:35:01,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:01,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802145750] [2025-01-09 04:35:01,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:01,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:01,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1308 statements into 1 equivalence classes. [2025-01-09 04:35:02,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1308 of 1308 statements. [2025-01-09 04:35:02,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:02,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 86944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86944 trivial. 0 not checked. [2025-01-09 04:35:03,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:03,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802145750] [2025-01-09 04:35:03,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802145750] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:03,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:35:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941535397] [2025-01-09 04:35:03,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:03,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:35:03,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:03,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:35:03,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:35:03,676 INFO L87 Difference]: Start difference. First operand 1808 states and 2790 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (212), 2 states have call predecessors, (212), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2025-01-09 04:35:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:03,825 INFO L93 Difference]: Finished difference Result 3141 states and 4892 transitions. [2025-01-09 04:35:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:35:03,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (212), 2 states have call predecessors, (212), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) Word has length 1308 [2025-01-09 04:35:03,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:03,856 INFO L225 Difference]: With dead ends: 3141 [2025-01-09 04:35:03,856 INFO L226 Difference]: Without dead ends: 1808 [2025-01-09 04:35:03,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:35:03,868 INFO L435 NwaCegarLoop]: 2788 mSDtfsCounter, 0 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5566 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 [2025-01-09 04:35:03,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5566 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:35:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2025-01-09 04:35:04,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1808. [2025-01-09 04:35:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1017 states have (on average 1.2251720747295969) internal successors, (1246), 1145 states have internal predecessors, (1246), 772 states have call successors, (772), 18 states have call predecessors, (772), 18 states have return successors, (771), 672 states have call predecessors, (771), 771 states have call successors, (771) [2025-01-09 04:35:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2789 transitions. [2025-01-09 04:35:04,178 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2789 transitions. Word has length 1308 [2025-01-09 04:35:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:04,186 INFO L471 AbstractCegarLoop]: Abstraction has 1808 states and 2789 transitions. [2025-01-09 04:35:04,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (212), 2 states have call predecessors, (212), 2 states have return successors, (211), 2 states have call predecessors, (211), 2 states have call successors, (211) [2025-01-09 04:35:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2789 transitions. [2025-01-09 04:35:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1317 [2025-01-09 04:35:04,202 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:04,203 INFO L218 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] [2025-01-09 04:35:04,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:35:04,203 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:04,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:04,205 INFO L85 PathProgramCache]: Analyzing trace with hash -462159994, now seen corresponding path program 1 times [2025-01-09 04:35:04,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:04,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199017212] [2025-01-09 04:35:04,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:04,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:04,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1316 statements into 1 equivalence classes. [2025-01-09 04:35:05,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1316 of 1316 statements. [2025-01-09 04:35:05,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:05,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2025-01-09 04:35:09,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:09,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199017212] [2025-01-09 04:35:09,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199017212] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:09,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:09,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:35:09,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472319029] [2025-01-09 04:35:09,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:09,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:35:09,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:09,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:35:09,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:35:09,093 INFO L87 Difference]: Start difference. First operand 1808 states and 2789 transitions. Second operand has 5 states, 4 states have (on average 65.75) internal successors, (263), 5 states have internal predecessors, (263), 4 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) [2025-01-09 04:35:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:14,257 INFO L93 Difference]: Finished difference Result 3381 states and 5245 transitions. [2025-01-09 04:35:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:35:14,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 65.75) internal successors, (263), 5 states have internal predecessors, (263), 4 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) Word has length 1316 [2025-01-09 04:35:14,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:14,284 INFO L225 Difference]: With dead ends: 3381 [2025-01-09 04:35:14,284 INFO L226 Difference]: Without dead ends: 2048 [2025-01-09 04:35:14,298 INFO L434 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 [2025-01-09 04:35:14,301 INFO L435 NwaCegarLoop]: 3117 mSDtfsCounter, 3870 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 4546 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-01-09 04:35:14,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3870 Valid, 4546 Invalid, 2682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [944 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2025-01-09 04:35:14,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2025-01-09 04:35:14,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2048. [2025-01-09 04:35:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 1195 states have (on average 1.2426778242677825) internal successors, (1485), 1323 states have internal predecessors, (1485), 829 states have call successors, (829), 23 states have call predecessors, (829), 23 states have return successors, (828), 729 states have call predecessors, (828), 828 states have call successors, (828) [2025-01-09 04:35:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 3142 transitions. [2025-01-09 04:35:14,576 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 3142 transitions. Word has length 1316 [2025-01-09 04:35:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:14,579 INFO L471 AbstractCegarLoop]: Abstraction has 2048 states and 3142 transitions. [2025-01-09 04:35:14,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 65.75) internal successors, (263), 5 states have internal predecessors, (263), 4 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (213), 3 states have call predecessors, (213), 4 states have call successors, (213) [2025-01-09 04:35:14,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 3142 transitions. [2025-01-09 04:35:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2025-01-09 04:35:14,595 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:14,596 INFO L218 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] [2025-01-09 04:35:14,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:35:14,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:14,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:14,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1873819664, now seen corresponding path program 1 times [2025-01-09 04:35:14,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434913540] [2025-01-09 04:35:14,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:14,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:15,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1320 statements into 1 equivalence classes. [2025-01-09 04:35:15,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1320 of 1320 statements. [2025-01-09 04:35:15,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:15,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2025-01-09 04:35:17,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:17,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434913540] [2025-01-09 04:35:17,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434913540] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:17,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:17,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:35:17,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096077222] [2025-01-09 04:35:17,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:17,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:35:17,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:17,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:35:17,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:35:17,044 INFO L87 Difference]: Start difference. First operand 2048 states and 3142 transitions. Second operand has 5 states, 4 states have (on average 66.25) internal successors, (265), 5 states have internal predecessors, (265), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) [2025-01-09 04:35:20,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:20,924 INFO L93 Difference]: Finished difference Result 3617 states and 5591 transitions. [2025-01-09 04:35:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:35:20,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 66.25) internal successors, (265), 5 states have internal predecessors, (265), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) Word has length 1320 [2025-01-09 04:35:20,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:20,949 INFO L225 Difference]: With dead ends: 3617 [2025-01-09 04:35:20,950 INFO L226 Difference]: Without dead ends: 2044 [2025-01-09 04:35:20,961 INFO L434 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 [2025-01-09 04:35:20,962 INFO L435 NwaCegarLoop]: 3110 mSDtfsCounter, 3101 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 5212 SdHoareTripleChecker+Invalid, 2539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2025-01-09 04:35:20,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3101 Valid, 5212 Invalid, 2539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2025-01-09 04:35:20,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2025-01-09 04:35:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2044. [2025-01-09 04:35:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2044 states, 1193 states have (on average 1.2414082145850796) internal successors, (1481), 1321 states have internal predecessors, (1481), 827 states have call successors, (827), 23 states have call predecessors, (827), 23 states have return successors, (826), 727 states have call predecessors, (826), 826 states have call successors, (826) [2025-01-09 04:35:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 3134 transitions. [2025-01-09 04:35:21,241 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 3134 transitions. Word has length 1320 [2025-01-09 04:35:21,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:21,243 INFO L471 AbstractCegarLoop]: Abstraction has 2044 states and 3134 transitions. [2025-01-09 04:35:21,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 66.25) internal successors, (265), 5 states have internal predecessors, (265), 4 states have call successors, (215), 2 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 4 states have call successors, (214) [2025-01-09 04:35:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 3134 transitions. [2025-01-09 04:35:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2025-01-09 04:35:21,260 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:21,260 INFO L218 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] [2025-01-09 04:35:21,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:35:21,261 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:21,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1248038640, now seen corresponding path program 1 times [2025-01-09 04:35:21,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:21,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721462526] [2025-01-09 04:35:21,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:21,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:21,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1321 statements into 1 equivalence classes. [2025-01-09 04:35:21,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1321 of 1321 statements. [2025-01-09 04:35:21,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:21,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 86947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2025-01-09 04:35:24,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:24,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721462526] [2025-01-09 04:35:24,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721462526] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:24,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:24,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:35:24,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725964966] [2025-01-09 04:35:24,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:24,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:35:24,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:24,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:35:24,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:35:24,992 INFO L87 Difference]: Start difference. First operand 2044 states and 3134 transitions. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 5 states have internal predecessors, (266), 3 states have call successors, (215), 3 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) [2025-01-09 04:35:29,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:29,676 INFO L93 Difference]: Finished difference Result 3524 states and 5436 transitions. [2025-01-09 04:35:29,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:35:29,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 5 states have internal predecessors, (266), 3 states have call successors, (215), 3 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) Word has length 1321 [2025-01-09 04:35:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:29,710 INFO L225 Difference]: With dead ends: 3524 [2025-01-09 04:35:29,710 INFO L226 Difference]: Without dead ends: 3505 [2025-01-09 04:35:29,714 INFO L434 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 [2025-01-09 04:35:29,716 INFO L435 NwaCegarLoop]: 2777 mSDtfsCounter, 4186 mSDsluCounter, 6526 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 2007 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4281 SdHoareTripleChecker+Valid, 9303 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2007 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-01-09 04:35:29,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4281 Valid, 9303 Invalid, 3692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2007 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2025-01-09 04:35:29,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3505 states. [2025-01-09 04:35:30,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3505 to 3480. [2025-01-09 04:35:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3480 states, 2055 states have (on average 1.264720194647202) internal successors, (2599), 2304 states have internal predecessors, (2599), 1381 states have call successors, (1381), 42 states have call predecessors, (1381), 43 states have return successors, (1403), 1185 states have call predecessors, (1403), 1380 states have call successors, (1403) [2025-01-09 04:35:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 5383 transitions. [2025-01-09 04:35:30,193 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 5383 transitions. Word has length 1321 [2025-01-09 04:35:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:30,195 INFO L471 AbstractCegarLoop]: Abstraction has 3480 states and 5383 transitions. [2025-01-09 04:35:30,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 5 states have internal predecessors, (266), 3 states have call successors, (215), 3 states have call predecessors, (215), 2 states have return successors, (214), 3 states have call predecessors, (214), 3 states have call successors, (214) [2025-01-09 04:35:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 5383 transitions. [2025-01-09 04:35:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1380 [2025-01-09 04:35:30,214 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:30,216 INFO L218 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] [2025-01-09 04:35:30,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:35:30,216 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:30,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash 103034112, now seen corresponding path program 1 times [2025-01-09 04:35:30,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:30,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453418840] [2025-01-09 04:35:30,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:30,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:30,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1379 statements into 1 equivalence classes. [2025-01-09 04:35:30,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1379 of 1379 statements. [2025-01-09 04:35:30,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:30,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 87793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87793 trivial. 0 not checked. [2025-01-09 04:35:32,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:32,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453418840] [2025-01-09 04:35:32,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453418840] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:32,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:32,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:35:32,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97440534] [2025-01-09 04:35:32,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:32,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:35:32,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:32,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:35:32,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:35:32,839 INFO L87 Difference]: Start difference. First operand 3480 states and 5383 transitions. Second operand has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 3 states have call successors, (221), 2 states have call predecessors, (221), 3 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2025-01-09 04:35:34,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:34,888 INFO L93 Difference]: Finished difference Result 7687 states and 11982 transitions. [2025-01-09 04:35:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:35:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 3 states have call successors, (221), 2 states have call predecessors, (221), 3 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) Word has length 1379 [2025-01-09 04:35:34,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:34,939 INFO L225 Difference]: With dead ends: 7687 [2025-01-09 04:35:34,940 INFO L226 Difference]: Without dead ends: 4682 [2025-01-09 04:35:34,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:35:34,962 INFO L435 NwaCegarLoop]: 3225 mSDtfsCounter, 2953 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 8104 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1132 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-01-09 04:35:34,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 8104 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1132 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-01-09 04:35:34,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2025-01-09 04:35:35,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4678. [2025-01-09 04:35:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4678 states, 2787 states have (on average 1.2809472551130248) internal successors, (3570), 3138 states have internal predecessors, (3570), 1829 states have call successors, (1829), 54 states have call predecessors, (1829), 61 states have return successors, (1861), 1537 states have call predecessors, (1861), 1828 states have call successors, (1861) [2025-01-09 04:35:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4678 states and 7260 transitions. [2025-01-09 04:35:35,668 INFO L78 Accepts]: Start accepts. Automaton has 4678 states and 7260 transitions. Word has length 1379 [2025-01-09 04:35:35,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:35,669 INFO L471 AbstractCegarLoop]: Abstraction has 4678 states and 7260 transitions. [2025-01-09 04:35:35,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 3 states have call successors, (221), 2 states have call predecessors, (221), 3 states have return successors, (220), 3 states have call predecessors, (220), 3 states have call successors, (220) [2025-01-09 04:35:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4678 states and 7260 transitions. [2025-01-09 04:35:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1384 [2025-01-09 04:35:35,692 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:35,692 INFO L218 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] [2025-01-09 04:35:35,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 04:35:35,693 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:35,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:35,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1206940169, now seen corresponding path program 1 times [2025-01-09 04:35:35,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:35,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039306113] [2025-01-09 04:35:35,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:35,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:36,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1383 statements into 1 equivalence classes. [2025-01-09 04:35:36,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1383 of 1383 statements. [2025-01-09 04:35:36,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:36,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 87793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87793 trivial. 0 not checked. [2025-01-09 04:35:37,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:37,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039306113] [2025-01-09 04:35:37,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039306113] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:37,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:37,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:35:37,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665644663] [2025-01-09 04:35:37,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:37,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:35:37,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:37,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:35:37,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:35:37,893 INFO L87 Difference]: Start difference. First operand 4678 states and 7260 transitions. Second operand has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:35:39,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:39,685 INFO L93 Difference]: Finished difference Result 9460 states and 14758 transitions. [2025-01-09 04:35:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:35:39,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1383 [2025-01-09 04:35:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:39,735 INFO L225 Difference]: With dead ends: 9460 [2025-01-09 04:35:39,735 INFO L226 Difference]: Without dead ends: 5257 [2025-01-09 04:35:39,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:35:39,758 INFO L435 NwaCegarLoop]: 3040 mSDtfsCounter, 2972 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2972 SdHoareTripleChecker+Valid, 7236 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1145 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-01-09 04:35:39,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2972 Valid, 7236 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1145 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-01-09 04:35:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5257 states. [2025-01-09 04:35:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5257 to 5256. [2025-01-09 04:35:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5256 states, 3142 states have (on average 1.2851686823679185) internal successors, (4038), 3543 states have internal predecessors, (4038), 2044 states have call successors, (2044), 60 states have call predecessors, (2044), 69 states have return successors, (2080), 1704 states have call predecessors, (2080), 2043 states have call successors, (2080) [2025-01-09 04:35:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5256 states to 5256 states and 8162 transitions. [2025-01-09 04:35:40,507 INFO L78 Accepts]: Start accepts. Automaton has 5256 states and 8162 transitions. Word has length 1383 [2025-01-09 04:35:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:40,509 INFO L471 AbstractCegarLoop]: Abstraction has 5256 states and 8162 transitions. [2025-01-09 04:35:40,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:35:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 5256 states and 8162 transitions. [2025-01-09 04:35:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1385 [2025-01-09 04:35:40,530 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:40,531 INFO L218 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] [2025-01-09 04:35:40,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 04:35:40,532 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:40,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1251852325, now seen corresponding path program 1 times [2025-01-09 04:35:40,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:40,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083514329] [2025-01-09 04:35:40,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:41,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1384 statements into 1 equivalence classes. [2025-01-09 04:35:41,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1384 of 1384 statements. [2025-01-09 04:35:41,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:41,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 87793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87793 trivial. 0 not checked. [2025-01-09 04:35:42,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083514329] [2025-01-09 04:35:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083514329] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:35:42,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:35:42,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:35:42,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687897478] [2025-01-09 04:35:42,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:35:42,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:35:42,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:35:42,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:35:42,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:35:42,604 INFO L87 Difference]: Start difference. First operand 5256 states and 8162 transitions. Second operand has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:35:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:35:42,963 INFO L93 Difference]: Finished difference Result 10912 states and 17004 transitions. [2025-01-09 04:35:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:35:42,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1384 [2025-01-09 04:35:42,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:35:43,048 INFO L225 Difference]: With dead ends: 10912 [2025-01-09 04:35:43,049 INFO L226 Difference]: Without dead ends: 6131 [2025-01-09 04:35:43,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:35:43,078 INFO L435 NwaCegarLoop]: 2936 mSDtfsCounter, 2731 mSDsluCounter, 4287 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:35:43,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 7223 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 04:35:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2025-01-09 04:35:44,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6128. [2025-01-09 04:35:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6128 states, 3707 states have (on average 1.292689506339358) internal successors, (4792), 4160 states have internal predecessors, (4792), 2335 states have call successors, (2335), 72 states have call predecessors, (2335), 85 states have return successors, (2377), 1947 states have call predecessors, (2377), 2334 states have call successors, (2377) [2025-01-09 04:35:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 6128 states and 9504 transitions. [2025-01-09 04:35:44,070 INFO L78 Accepts]: Start accepts. Automaton has 6128 states and 9504 transitions. Word has length 1384 [2025-01-09 04:35:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:35:44,072 INFO L471 AbstractCegarLoop]: Abstraction has 6128 states and 9504 transitions. [2025-01-09 04:35:44,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 3 states have call successors, (222), 2 states have call predecessors, (222), 3 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:35:44,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6128 states and 9504 transitions. [2025-01-09 04:35:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1385 [2025-01-09 04:35:44,105 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:35:44,105 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:35:44,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 04:35:44,106 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:35:44,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:35:44,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1187381313, now seen corresponding path program 1 times [2025-01-09 04:35:44,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:35:44,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6247378] [2025-01-09 04:35:44,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:44,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:35:44,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1384 statements into 1 equivalence classes. [2025-01-09 04:35:44,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1384 of 1384 statements. [2025-01-09 04:35:44,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:35:44,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:35:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 87796 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 87792 trivial. 0 not checked. [2025-01-09 04:35:46,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:35:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6247378] [2025-01-09 04:35:46,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6247378] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:35:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621950196] [2025-01-09 04:35:46,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:35:46,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:35:46,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:35:46,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:35:46,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process