./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.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_aso.2.M1-2.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 e0f65ddacc19e229149f7733305e27ede1d7c46ea04122324ae4c2ba294bcff0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:32:26,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:32:26,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:32:26,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:32:26,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:32:26,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:32:26,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:32:26,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:32:26,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:32:26,631 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:32:26,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:32:26,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:32:26,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:32:26,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:32:26,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:32:26,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:32:26,634 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:32:26,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:26,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:26,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:32:26,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:32:26,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:32:26,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:32:26,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:32:26,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:32:26,636 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 -> e0f65ddacc19e229149f7733305e27ede1d7c46ea04122324ae4c2ba294bcff0 [2025-01-09 04:32:26,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:32:26,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:32:26,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:32:26,857 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:32:26,857 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:32:26,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2025-01-09 04:32:27,921 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/29fcc0d3c/a5accb5d29714343ac24753e938354da/FLAGfd97be72d [2025-01-09 04:32:28,205 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:32:28,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-2.c [2025-01-09 04:32:28,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/29fcc0d3c/a5accb5d29714343ac24753e938354da/FLAGfd97be72d [2025-01-09 04:32:28,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/29fcc0d3c/a5accb5d29714343ac24753e938354da [2025-01-09 04:32:28,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:32:28,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:32:28,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:32:28,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:32:28,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:32:28,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:32:28" (1/1) ... [2025-01-09 04:32:28,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bdde71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:28, skipping insertion in model container [2025-01-09 04:32:28,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:32:28" (1/1) ... [2025-01-09 04:32:28,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:32:28,629 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_aso.2.M1-2.c[1974,1987] [2025-01-09 04:32:28,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:32:28,906 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:32:28,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [47] [2025-01-09 04:32:28,919 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_aso.2.M1-2.c[1974,1987] [2025-01-09 04:32:29,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:32:29,141 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:32:29,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29 WrapperNode [2025-01-09 04:32:29,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:32:29,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:32:29,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:32:29,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:32:29,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,413 INFO L138 Inliner]: procedures = 61, calls = 3482, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 7603 [2025-01-09 04:32:29,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:32:29,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:32:29,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:32:29,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:32:29,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,530 INFO L175 MemorySlicer]: Split 2465 memory accesses to 19 slices as follows [2, 319, 355, 113, 113, 180, 203, 180, 8, 203, 180, 203, 180, 203, 4, 7, 2, 2, 8]. 14 percent of accesses are in the largest equivalence class. The 328 initializations are split as follows [2, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 27, 27, 0, 2, 0, 0, 0]. The 337 writes are split as follows [0, 27, 27, 27, 27, 28, 26, 28, 4, 26, 28, 26, 28, 26, 0, 3, 1, 1, 4]. [2025-01-09 04:32:29,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:32:29,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:32:29,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:32:29,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:32:29,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:32:29,808 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 04:32:29,811 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 04:32:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:32:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:32:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:32:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:32:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:32:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:32:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:32:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:32:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:32:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:32:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:32:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:32:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:32:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:32:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:32:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:32:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:32:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:32:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:32:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:32:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:32:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:32:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:32:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:32:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:32:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:32:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:32:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:32:30,266 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:32:30,268 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:32:38,385 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2025-01-09 04:32:38,386 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:32:38,433 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:32:38,434 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:32:38,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:32:38 BoogieIcfgContainer [2025-01-09 04:32:38,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:32:38,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:32:38,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:32:38,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:32:38,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:32:28" (1/3) ... [2025-01-09 04:32:38,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77643342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:32:38, skipping insertion in model container [2025-01-09 04:32:38,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (2/3) ... [2025-01-09 04:32:38,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77643342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:32:38, skipping insertion in model container [2025-01-09 04:32:38,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:32:38" (3/3) ... [2025-01-09 04:32:38,442 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M1-2.c [2025-01-09 04:32:38,454 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:32:38,457 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_aso.2.M1-2.c that has 22 procedures, 2246 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:32:38,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:32:38,561 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;@54f6401f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:32:38,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:32:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1257 states have (on average 1.2203659506762132) internal successors, (1534), 1386 states have internal predecessors, (1534), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (966), 866 states have call predecessors, (966), 966 states have call successors, (966) [2025-01-09 04:32:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1337 [2025-01-09 04:32:38,637 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:32:38,638 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, 1, 1, 1, 1, 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 04:32:38,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:32:38,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:32:38,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1803540641, now seen corresponding path program 1 times [2025-01-09 04:32:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:32:38,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104593891] [2025-01-09 04:32:38,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:38,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:32:39,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1336 statements into 1 equivalence classes. [2025-01-09 04:32:39,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1336 of 1336 statements. [2025-01-09 04:32:39,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:39,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:40,985 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 04:32:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:32:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104593891] [2025-01-09 04:32:40,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104593891] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:32:40,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:32:40,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:32:40,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254864482] [2025-01-09 04:32:40,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:32:40,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:32:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:32:41,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:32:41,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:32:41,025 INFO L87 Difference]: Start difference. First operand has 2246 states, 1257 states have (on average 1.2203659506762132) internal successors, (1534), 1386 states have internal predecessors, (1534), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (966), 866 states have call predecessors, (966), 966 states have call successors, (966) Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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 04:32:41,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:32:41,342 INFO L93 Difference]: Finished difference Result 4487 states and 7872 transitions. [2025-01-09 04:32:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:32:41,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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 1336 [2025-01-09 04:32:41,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:32:41,388 INFO L225 Difference]: With dead ends: 4487 [2025-01-09 04:32:41,389 INFO L226 Difference]: Without dead ends: 2241 [2025-01-09 04:32:41,419 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 04:32:41,423 INFO L435 NwaCegarLoop]: 3462 mSDtfsCounter, 0 mSDsluCounter, 3452 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6914 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 04:32:41,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6914 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:32:41,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2025-01-09 04:32:41,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2241. [2025-01-09 04:32:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 1253 states have (on average 1.2186751795690343) internal successors, (1527), 1382 states have internal predecessors, (1527), 966 states have call successors, (966), 21 states have call predecessors, (966), 21 states have return successors, (965), 865 states have call predecessors, (965), 965 states have call successors, (965) [2025-01-09 04:32:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3458 transitions. [2025-01-09 04:32:41,859 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3458 transitions. Word has length 1336 [2025-01-09 04:32:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:32:41,862 INFO L471 AbstractCegarLoop]: Abstraction has 2241 states and 3458 transitions. [2025-01-09 04:32:41,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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 04:32:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3458 transitions. [2025-01-09 04:32:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1345 [2025-01-09 04:32:41,898 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:32:41,898 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, 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 04:32:41,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:32:41,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:32:41,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:32:41,901 INFO L85 PathProgramCache]: Analyzing trace with hash 231013027, now seen corresponding path program 1 times [2025-01-09 04:32:41,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:32:41,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544510694] [2025-01-09 04:32:41,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:41,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:32:42,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1344 statements into 1 equivalence classes. [2025-01-09 04:32:42,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1344 of 1344 statements. [2025-01-09 04:32:42,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:42,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:46,321 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 04:32:46,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:32:46,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544510694] [2025-01-09 04:32:46,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544510694] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:32:46,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:32:46,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:32:46,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942688393] [2025-01-09 04:32:46,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:32:46,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:32:46,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:32:46,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:32:46,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:32:46,329 INFO L87 Difference]: Start difference. First operand 2241 states and 3458 transitions. Second operand has 5 states, 4 states have (on average 72.75) internal successors, (291), 5 states have internal predecessors, (291), 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 04:32:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:32:50,499 INFO L93 Difference]: Finished difference Result 4194 states and 6488 transitions. [2025-01-09 04:32:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:32:50,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 72.75) internal successors, (291), 5 states have internal predecessors, (291), 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 1344 [2025-01-09 04:32:50,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:32:50,526 INFO L225 Difference]: With dead ends: 4194 [2025-01-09 04:32:50,526 INFO L226 Difference]: Without dead ends: 2526 [2025-01-09 04:32:50,536 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 04:32:50,537 INFO L435 NwaCegarLoop]: 3827 mSDtfsCounter, 4835 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 1150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4835 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-01-09 04:32:50,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4835 Valid, 5560 Invalid, 3330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-01-09 04:32:50,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2526 states. [2025-01-09 04:32:50,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2526 to 2524. [2025-01-09 04:32:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2524 states, 1461 states have (on average 1.2361396303901437) internal successors, (1806), 1590 states have internal predecessors, (1806), 1032 states have call successors, (1032), 30 states have call predecessors, (1032), 30 states have return successors, (1031), 931 states have call predecessors, (1031), 1031 states have call successors, (1031) [2025-01-09 04:32:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 2524 states and 3869 transitions. [2025-01-09 04:32:50,873 INFO L78 Accepts]: Start accepts. Automaton has 2524 states and 3869 transitions. Word has length 1344 [2025-01-09 04:32:50,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:32:50,875 INFO L471 AbstractCegarLoop]: Abstraction has 2524 states and 3869 transitions. [2025-01-09 04:32:50,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 72.75) internal successors, (291), 5 states have internal predecessors, (291), 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 04:32:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 3869 transitions. [2025-01-09 04:32:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1349 [2025-01-09 04:32:50,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:32:50,887 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, 1, 1, 1, 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 04:32:50,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:32:50,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:32:50,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:32:50,891 INFO L85 PathProgramCache]: Analyzing trace with hash -511819699, now seen corresponding path program 1 times [2025-01-09 04:32:50,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:32:50,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149841598] [2025-01-09 04:32:50,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:32:51,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1348 statements into 1 equivalence classes. [2025-01-09 04:32:51,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1348 of 1348 statements. [2025-01-09 04:32:51,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:51,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:52,804 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 04:32:52,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:32:52,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149841598] [2025-01-09 04:32:52,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149841598] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:32:52,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:32:52,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:32:52,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446225055] [2025-01-09 04:32:52,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:32:52,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:32:52,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:32:52,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:32:52,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:32:52,810 INFO L87 Difference]: Start difference. First operand 2524 states and 3869 transitions. Second operand has 5 states, 4 states have (on average 73.25) internal successors, (293), 5 states have internal predecessors, (293), 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 04:32:56,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:32:56,941 INFO L93 Difference]: Finished difference Result 4473 states and 6892 transitions. [2025-01-09 04:32:56,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:32:56,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 73.25) internal successors, (293), 5 states have internal predecessors, (293), 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 1348 [2025-01-09 04:32:56,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:32:56,966 INFO L225 Difference]: With dead ends: 4473 [2025-01-09 04:32:56,966 INFO L226 Difference]: Without dead ends: 2522 [2025-01-09 04:32:56,979 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 04:32:56,982 INFO L435 NwaCegarLoop]: 3820 mSDtfsCounter, 3829 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 3154 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3829 SdHoareTripleChecker+Valid, 6308 SdHoareTripleChecker+Invalid, 3184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 3154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-01-09 04:32:56,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3829 Valid, 6308 Invalid, 3184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 3154 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-01-09 04:32:56,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2025-01-09 04:32:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2520. [2025-01-09 04:32:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1459 states have (on average 1.2350925291295407) internal successors, (1802), 1588 states have internal predecessors, (1802), 1030 states have call successors, (1030), 30 states have call predecessors, (1030), 30 states have return successors, (1029), 929 states have call predecessors, (1029), 1029 states have call successors, (1029) [2025-01-09 04:32:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3861 transitions. [2025-01-09 04:32:57,286 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3861 transitions. Word has length 1348 [2025-01-09 04:32:57,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:32:57,289 INFO L471 AbstractCegarLoop]: Abstraction has 2520 states and 3861 transitions. [2025-01-09 04:32:57,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 73.25) internal successors, (293), 5 states have internal predecessors, (293), 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 04:32:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3861 transitions. [2025-01-09 04:32:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1350 [2025-01-09 04:32:57,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:32:57,308 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, 1, 1, 1, 1, 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 04:32:57,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:32:57,308 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:32:57,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:32:57,311 INFO L85 PathProgramCache]: Analyzing trace with hash 527351980, now seen corresponding path program 1 times [2025-01-09 04:32:57,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:32:57,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017170881] [2025-01-09 04:32:57,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:32:57,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1349 statements into 1 equivalence classes. [2025-01-09 04:32:57,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1349 of 1349 statements. [2025-01-09 04:32:57,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:57,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:00,007 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 04:33:00,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:00,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017170881] [2025-01-09 04:33:00,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017170881] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:00,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:00,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:33:00,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418233221] [2025-01-09 04:33:00,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:00,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:33:00,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:00,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:33:00,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:00,015 INFO L87 Difference]: Start difference. First operand 2520 states and 3861 transitions. Second operand has 6 states, 6 states have (on average 49.0) internal successors, (294), 5 states have internal predecessors, (294), 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 04:33:04,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:04,436 INFO L93 Difference]: Finished difference Result 4371 states and 6727 transitions. [2025-01-09 04:33:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:33:04,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.0) internal successors, (294), 5 states have internal predecessors, (294), 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 1349 [2025-01-09 04:33:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:04,464 INFO L225 Difference]: With dead ends: 4371 [2025-01-09 04:33:04,464 INFO L226 Difference]: Without dead ends: 4369 [2025-01-09 04:33:04,466 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 04:33:04,467 INFO L435 NwaCegarLoop]: 3449 mSDtfsCounter, 5249 mSDsluCounter, 8114 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 2572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5360 SdHoareTripleChecker+Valid, 11563 SdHoareTripleChecker+Invalid, 4368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2572 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:04,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5360 Valid, 11563 Invalid, 4368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2572 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 04:33:04,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2025-01-09 04:33:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4344. [2025-01-09 04:33:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 2522 states have (on average 1.2486122125297383) internal successors, (3149), 2775 states have internal predecessors, (3149), 1765 states have call successors, (1765), 55 states have call predecessors, (1765), 56 states have return successors, (1787), 1567 states have call predecessors, (1787), 1763 states have call successors, (1787) [2025-01-09 04:33:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 6701 transitions. [2025-01-09 04:33:05,114 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 6701 transitions. Word has length 1349 [2025-01-09 04:33:05,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:05,116 INFO L471 AbstractCegarLoop]: Abstraction has 4344 states and 6701 transitions. [2025-01-09 04:33:05,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.0) internal successors, (294), 5 states have internal predecessors, (294), 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 04:33:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 6701 transitions. [2025-01-09 04:33:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1355 [2025-01-09 04:33:05,128 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:05,128 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 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] [2025-01-09 04:33:05,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:33:05,129 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:05,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:05,130 INFO L85 PathProgramCache]: Analyzing trace with hash 518408097, now seen corresponding path program 1 times [2025-01-09 04:33:05,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:05,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647994260] [2025-01-09 04:33:05,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:05,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:05,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1354 statements into 1 equivalence classes. [2025-01-09 04:33:05,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1354 of 1354 statements. [2025-01-09 04:33:05,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:05,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 86949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86947 trivial. 0 not checked. [2025-01-09 04:33:07,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647994260] [2025-01-09 04:33:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647994260] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:07,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:07,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:33:07,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369065475] [2025-01-09 04:33:07,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:07,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:33:07,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:07,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:33:07,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:33:07,230 INFO L87 Difference]: Start difference. First operand 4344 states and 6701 transitions. Second operand has 5 states, 5 states have (on average 59.4) internal successors, (297), 4 states have internal predecessors, (297), 2 states have call successors, (216), 2 states have call predecessors, (216), 1 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2025-01-09 04:33:07,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:07,591 INFO L93 Difference]: Finished difference Result 5307 states and 8169 transitions. [2025-01-09 04:33:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:07,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 4 states have internal predecessors, (297), 2 states have call successors, (216), 2 states have call predecessors, (216), 1 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1354 [2025-01-09 04:33:07,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:07,630 INFO L225 Difference]: With dead ends: 5307 [2025-01-09 04:33:07,631 INFO L226 Difference]: Without dead ends: 5282 [2025-01-09 04:33:07,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:33:07,636 INFO L435 NwaCegarLoop]: 3436 mSDtfsCounter, 3403 mSDsluCounter, 7518 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 10954 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:07,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 10954 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:33:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5282 states. [2025-01-09 04:33:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5282 to 5281. [2025-01-09 04:33:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3121 states have (on average 1.2592117910925986) internal successors, (3930), 3424 states have internal predecessors, (3930), 2087 states have call successors, (2087), 69 states have call predecessors, (2087), 72 states have return successors, (2111), 1840 states have call predecessors, (2111), 2086 states have call successors, (2111) [2025-01-09 04:33:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 8128 transitions. [2025-01-09 04:33:08,246 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 8128 transitions. Word has length 1354 [2025-01-09 04:33:08,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:08,247 INFO L471 AbstractCegarLoop]: Abstraction has 5281 states and 8128 transitions. [2025-01-09 04:33:08,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 4 states have internal predecessors, (297), 2 states have call successors, (216), 2 states have call predecessors, (216), 1 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2025-01-09 04:33:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 8128 transitions. [2025-01-09 04:33:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2025-01-09 04:33:08,263 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:08,264 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:08,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:33:08,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:08,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash 17647392, now seen corresponding path program 1 times [2025-01-09 04:33:08,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:08,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442173793] [2025-01-09 04:33:08,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:08,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:08,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1405 statements into 1 equivalence classes. [2025-01-09 04:33:08,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1405 of 1405 statements. [2025-01-09 04:33:08,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:08,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 87798 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 87794 trivial. 0 not checked. [2025-01-09 04:33:10,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:10,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442173793] [2025-01-09 04:33:10,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442173793] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:10,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:10,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:33:10,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046389528] [2025-01-09 04:33:10,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:10,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:33:10,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:10,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:33:10,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:33:10,492 INFO L87 Difference]: Start difference. First operand 5281 states and 8128 transitions. Second operand has 5 states, 4 states have (on average 81.75) internal successors, (327), 5 states have internal predecessors, (327), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (220), 3 states have call predecessors, (220), 4 states have call successors, (220) [2025-01-09 04:33:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:13,714 INFO L93 Difference]: Finished difference Result 10453 states and 16066 transitions. [2025-01-09 04:33:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:13,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 81.75) internal successors, (327), 5 states have internal predecessors, (327), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (220), 3 states have call predecessors, (220), 4 states have call successors, (220) Word has length 1405 [2025-01-09 04:33:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:13,752 INFO L225 Difference]: With dead ends: 10453 [2025-01-09 04:33:13,752 INFO L226 Difference]: Without dead ends: 5809 [2025-01-09 04:33:13,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:13,770 INFO L435 NwaCegarLoop]: 3806 mSDtfsCounter, 3817 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:13,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 5945 Invalid, 2574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-01-09 04:33:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5809 states. [2025-01-09 04:33:14,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5809 to 5807. [2025-01-09 04:33:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5807 states, 3509 states have (on average 1.2681675691080079) internal successors, (4450), 3812 states have internal predecessors, (4450), 2211 states have call successors, (2211), 83 states have call predecessors, (2211), 86 states have return successors, (2235), 1964 states have call predecessors, (2235), 2210 states have call successors, (2235) [2025-01-09 04:33:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5807 states to 5807 states and 8896 transitions. [2025-01-09 04:33:14,452 INFO L78 Accepts]: Start accepts. Automaton has 5807 states and 8896 transitions. Word has length 1405 [2025-01-09 04:33:14,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:14,455 INFO L471 AbstractCegarLoop]: Abstraction has 5807 states and 8896 transitions. [2025-01-09 04:33:14,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 81.75) internal successors, (327), 5 states have internal predecessors, (327), 4 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (220), 3 states have call predecessors, (220), 4 states have call successors, (220) [2025-01-09 04:33:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5807 states and 8896 transitions. [2025-01-09 04:33:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1410 [2025-01-09 04:33:14,471 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:14,472 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:14,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 04:33:14,472 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:14,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash -97159616, now seen corresponding path program 1 times [2025-01-09 04:33:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:14,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134971423] [2025-01-09 04:33:14,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:14,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:14,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1409 statements into 1 equivalence classes. [2025-01-09 04:33:14,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1409 of 1409 statements. [2025-01-09 04:33:14,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:14,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 87798 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 87788 trivial. 0 not checked. [2025-01-09 04:33:15,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:15,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134971423] [2025-01-09 04:33:15,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134971423] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:15,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:15,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:33:15,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830598241] [2025-01-09 04:33:15,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:15,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:33:15,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:15,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:33:15,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:15,949 INFO L87 Difference]: Start difference. First operand 5807 states and 8896 transitions. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:33:19,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:19,375 INFO L93 Difference]: Finished difference Result 10961 states and 16811 transitions. [2025-01-09 04:33:19,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:33:19,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1409 [2025-01-09 04:33:19,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:19,407 INFO L225 Difference]: With dead ends: 10961 [2025-01-09 04:33:19,408 INFO L226 Difference]: Without dead ends: 5791 [2025-01-09 04:33:19,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:33:19,425 INFO L435 NwaCegarLoop]: 3833 mSDtfsCounter, 3846 mSDsluCounter, 3477 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3846 SdHoareTripleChecker+Valid, 7310 SdHoareTripleChecker+Invalid, 4355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:19,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3846 Valid, 7310 Invalid, 4355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4325 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-01-09 04:33:19,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2025-01-09 04:33:19,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5791. [2025-01-09 04:33:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5791 states, 3499 states have (on average 1.266647613603887) internal successors, (4432), 3802 states have internal predecessors, (4432), 2205 states have call successors, (2205), 83 states have call predecessors, (2205), 86 states have return successors, (2229), 1958 states have call predecessors, (2229), 2204 states have call successors, (2229) [2025-01-09 04:33:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5791 states to 5791 states and 8866 transitions. [2025-01-09 04:33:19,958 INFO L78 Accepts]: Start accepts. Automaton has 5791 states and 8866 transitions. Word has length 1409 [2025-01-09 04:33:19,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:19,960 INFO L471 AbstractCegarLoop]: Abstraction has 5791 states and 8866 transitions. [2025-01-09 04:33:19,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:33:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 5791 states and 8866 transitions. [2025-01-09 04:33:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1411 [2025-01-09 04:33:19,975 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:19,975 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:19,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 04:33:19,976 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:19,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash -281348150, now seen corresponding path program 1 times [2025-01-09 04:33:19,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:19,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050838849] [2025-01-09 04:33:19,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:19,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:20,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1410 statements into 1 equivalence classes. [2025-01-09 04:33:20,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1410 of 1410 statements. [2025-01-09 04:33:20,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:20,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 87798 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 87789 trivial. 0 not checked. [2025-01-09 04:33:21,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050838849] [2025-01-09 04:33:21,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050838849] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:21,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:21,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:33:21,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071639372] [2025-01-09 04:33:21,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:21,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:33:21,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:21,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:33:21,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:21,545 INFO L87 Difference]: Start difference. First operand 5791 states and 8866 transitions. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:33:24,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:24,830 INFO L93 Difference]: Finished difference Result 10941 states and 16760 transitions. [2025-01-09 04:33:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:24,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) Word has length 1410 [2025-01-09 04:33:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:24,869 INFO L225 Difference]: With dead ends: 10941 [2025-01-09 04:33:24,869 INFO L226 Difference]: Without dead ends: 5787 [2025-01-09 04:33:24,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:33:24,888 INFO L435 NwaCegarLoop]: 3792 mSDtfsCounter, 4210 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 2533 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4210 SdHoareTripleChecker+Valid, 5918 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 2533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:24,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4210 Valid, 5918 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 2533 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-01-09 04:33:24,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2025-01-09 04:33:25,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5785. [2025-01-09 04:33:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 3495 states have (on average 1.2658082975679543) internal successors, (4424), 3798 states have internal predecessors, (4424), 2203 states have call successors, (2203), 83 states have call predecessors, (2203), 86 states have return successors, (2227), 1956 states have call predecessors, (2227), 2202 states have call successors, (2227) [2025-01-09 04:33:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 8854 transitions. [2025-01-09 04:33:25,494 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 8854 transitions. Word has length 1410 [2025-01-09 04:33:25,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:25,495 INFO L471 AbstractCegarLoop]: Abstraction has 5785 states and 8854 transitions. [2025-01-09 04:33:25,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 3 states have call successors, (222), 2 states have call predecessors, (222), 4 states have return successors, (221), 3 states have call predecessors, (221), 3 states have call successors, (221) [2025-01-09 04:33:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 8854 transitions. [2025-01-09 04:33:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1415 [2025-01-09 04:33:25,509 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:25,509 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:25,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 04:33:25,510 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:25,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:25,510 INFO L85 PathProgramCache]: Analyzing trace with hash -28141856, now seen corresponding path program 1 times [2025-01-09 04:33:25,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:25,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249994718] [2025-01-09 04:33:25,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:25,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:25,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1414 statements into 1 equivalence classes. [2025-01-09 04:33:26,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1414 of 1414 statements. [2025-01-09 04:33:26,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:26,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 87796 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 87788 trivial. 0 not checked. [2025-01-09 04:33:26,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249994718] [2025-01-09 04:33:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249994718] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:26,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:26,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:33:26,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804856563] [2025-01-09 04:33:26,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:26,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:33:26,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:26,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:33:26,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:26,968 INFO L87 Difference]: Start difference. First operand 5785 states and 8854 transitions. Second operand has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2025-01-09 04:33:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:30,341 INFO L93 Difference]: Finished difference Result 10929 states and 16739 transitions. [2025-01-09 04:33:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:30,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) Word has length 1414 [2025-01-09 04:33:30,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:30,372 INFO L225 Difference]: With dead ends: 10929 [2025-01-09 04:33:30,373 INFO L226 Difference]: Without dead ends: 5781 [2025-01-09 04:33:30,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:33:30,392 INFO L435 NwaCegarLoop]: 3829 mSDtfsCounter, 4654 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 3071 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4654 SdHoareTripleChecker+Valid, 6370 SdHoareTripleChecker+Invalid, 3967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 3071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:30,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4654 Valid, 6370 Invalid, 3967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 3071 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-01-09 04:33:30,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2025-01-09 04:33:30,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5781. [2025-01-09 04:33:30,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 3493 states have (on average 1.2653879186945318) internal successors, (4420), 3796 states have internal predecessors, (4420), 2201 states have call successors, (2201), 83 states have call predecessors, (2201), 86 states have return successors, (2225), 1954 states have call predecessors, (2225), 2200 states have call successors, (2225) [2025-01-09 04:33:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 8846 transitions. [2025-01-09 04:33:30,983 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 8846 transitions. Word has length 1414 [2025-01-09 04:33:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:30,985 INFO L471 AbstractCegarLoop]: Abstraction has 5781 states and 8846 transitions. [2025-01-09 04:33:30,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.166666666666664) internal successors, (337), 6 states have internal predecessors, (337), 4 states have call successors, (223), 2 states have call predecessors, (223), 4 states have return successors, (222), 4 states have call predecessors, (222), 4 states have call successors, (222) [2025-01-09 04:33:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 8846 transitions. [2025-01-09 04:33:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2025-01-09 04:33:30,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:31,000 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 3, 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, 1, 1, 1, 1, 1, 1, 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 04:33:31,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 04:33:31,000 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:31,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:31,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2128867964, now seen corresponding path program 1 times [2025-01-09 04:33:31,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:31,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697291158] [2025-01-09 04:33:31,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:31,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:31,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1415 statements into 1 equivalence classes. [2025-01-09 04:33:31,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1415 of 1415 statements. [2025-01-09 04:33:31,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:31,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 87801 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 87795 trivial. 0 not checked. [2025-01-09 04:33:32,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:32,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697291158] [2025-01-09 04:33:32,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697291158] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:33:32,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138095599] [2025-01-09 04:33:32,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:32,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:32,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:33:32,752 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 04:33:32,754 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 04:33:33,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1415 statements into 1 equivalence classes. [2025-01-09 04:33:34,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1415 of 1415 statements. [2025-01-09 04:33:34,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:34,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:34,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 4755 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 04:33:34,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:33:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 87801 backedges. 846 proven. 0 refuted. 0 times theorem prover too weak. 86955 trivial. 0 not checked. [2025-01-09 04:33:34,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:33:34,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138095599] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:34,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:33:34,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 04:33:34,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678927943] [2025-01-09 04:33:34,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:34,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 04:33:34,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:34,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 04:33:34,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-01-09 04:33:34,422 INFO L87 Difference]: Start difference. First operand 5781 states and 8846 transitions. Second operand has 8 states, 8 states have (on average 42.25) internal successors, (338), 7 states have internal predecessors, (338), 3 states have call successors, (223), 4 states have call predecessors, (223), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2025-01-09 04:33:37,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:37,414 INFO L93 Difference]: Finished difference Result 7826 states and 12017 transitions. [2025-01-09 04:33:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 04:33:37,415 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 42.25) internal successors, (338), 7 states have internal predecessors, (338), 3 states have call successors, (223), 4 states have call predecessors, (223), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) Word has length 1415 [2025-01-09 04:33:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:37,467 INFO L225 Difference]: With dead ends: 7826 [2025-01-09 04:33:37,468 INFO L226 Difference]: Without dead ends: 7824 [2025-01-09 04:33:37,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1425 GetRequests, 1412 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-01-09 04:33:37,475 INFO L435 NwaCegarLoop]: 3983 mSDtfsCounter, 3925 mSDsluCounter, 11772 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3927 SdHoareTripleChecker+Valid, 15755 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:37,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3927 Valid, 15755 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 2596 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-01-09 04:33:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7824 states. [2025-01-09 04:33:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7824 to 7817. [2025-01-09 04:33:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7817 states, 4660 states have (on average 1.2590128755364807) internal successors, (5867), 5099 states have internal predecessors, (5867), 3038 states have call successors, (3038), 114 states have call predecessors, (3038), 118 states have return successors, (3104), 2701 states have call predecessors, (3104), 3036 states have call successors, (3104) [2025-01-09 04:33:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7817 states to 7817 states and 12009 transitions. [2025-01-09 04:33:38,630 INFO L78 Accepts]: Start accepts. Automaton has 7817 states and 12009 transitions. Word has length 1415 [2025-01-09 04:33:38,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:38,631 INFO L471 AbstractCegarLoop]: Abstraction has 7817 states and 12009 transitions. [2025-01-09 04:33:38,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 42.25) internal successors, (338), 7 states have internal predecessors, (338), 3 states have call successors, (223), 4 states have call predecessors, (223), 3 states have return successors, (222), 3 states have call predecessors, (222), 3 states have call successors, (222) [2025-01-09 04:33:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 7817 states and 12009 transitions. [2025-01-09 04:33:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1419 [2025-01-09 04:33:38,645 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:38,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:33:38,661 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 04:33:38,846 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,SelfDestructingSolverStorable9 [2025-01-09 04:33:38,846 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:38,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:38,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2091676987, now seen corresponding path program 1 times [2025-01-09 04:33:38,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:38,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010959260] [2025-01-09 04:33:38,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:38,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:39,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1418 statements into 1 equivalence classes. [2025-01-09 04:33:39,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1418 of 1418 statements. [2025-01-09 04:33:39,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:39,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat