./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:29:35,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:29:35,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:29:35,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:29:35,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:29:35,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:29:35,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:29:35,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:29:35,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:29:35,503 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:29:35,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:29:35,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:29:35,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:29:35,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:29:35,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:29:35,504 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:29:35,505 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:35,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:35,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:29:35,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:29:35,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:29:35,506 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:29:35,506 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 -> ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 [2025-01-09 04:29:35,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:29:35,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:29:35,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:29:35,716 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:29:35,716 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:29:35,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2025-01-09 04:29:37,048 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d5fc90b1/10249f4a96f44a34aed2351919979da7/FLAG11e8983e4 [2025-01-09 04:29:37,395 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:29:37,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2025-01-09 04:29:37,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d5fc90b1/10249f4a96f44a34aed2351919979da7/FLAG11e8983e4 [2025-01-09 04:29:37,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d5fc90b1/10249f4a96f44a34aed2351919979da7 [2025-01-09 04:29:37,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:29:37,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:29:37,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:37,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:29:37,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:29:37,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:37" (1/1) ... [2025-01-09 04:29:37,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b1c57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:37, skipping insertion in model container [2025-01-09 04:29:37,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:37" (1/1) ... [2025-01-09 04:29:37,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:29:37,640 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/rekcba_aso.3.M1.c[2061,2074] [2025-01-09 04:29:37,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:37,909 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:29:37,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug3.i","-S") [44] [2025-01-09 04:29:37,920 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/rekcba_aso.3.M1.c[2061,2074] [2025-01-09 04:29:38,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:38,123 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:29:38,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38 WrapperNode [2025-01-09 04:29:38,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:38,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:38,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:29:38,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:29:38,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,398 INFO L138 Inliner]: procedures = 73, calls = 3163, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 6362 [2025-01-09 04:29:38,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:38,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:29:38,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:29:38,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:29:38,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,499 INFO L175 MemorySlicer]: Split 2493 memory accesses to 32 slices as follows [2, 2, 7, 4, 2, 50, 5, 3, 264, 272, 144, 112, 57, 8, 57, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 105, 82, 8, 105]. 11 percent of accesses are in the largest equivalence class. The 493 initializations are split as follows [0, 0, 2, 0, 2, 0, 2, 1, 24, 24, 2, 2, 1, 0, 1, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27]. The 527 writes are split as follows [1, 1, 3, 0, 0, 26, 1, 1, 24, 24, 2, 2, 1, 4, 1, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 26, 28, 4, 26]. [2025-01-09 04:29:38,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:29:38,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:29:38,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:29:38,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:29:38,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:29:38,771 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 04:29:38,773 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 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:29:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:29:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 04:29:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 04:29:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-01-09 04:29:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:29:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:29:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-01-09 04:29:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 04:29:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:29:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:29:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:29:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:29:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:29:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:29:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:29:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:29:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:29:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:29:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:29:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:29:39,280 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:29:39,282 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:29:46,817 INFO L? ?]: Removed 349 outVars from TransFormulas that were not future-live. [2025-01-09 04:29:46,817 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:29:46,854 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:29:46,854 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:29:46,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:29:46 BoogieIcfgContainer [2025-01-09 04:29:46,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:29:46,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:29:46,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:29:46,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:29:46,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:29:37" (1/3) ... [2025-01-09 04:29:46,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0ba4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:29:46, skipping insertion in model container [2025-01-09 04:29:46,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (2/3) ... [2025-01-09 04:29:46,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0ba4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:29:46, skipping insertion in model container [2025-01-09 04:29:46,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:29:46" (3/3) ... [2025-01-09 04:29:46,865 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2025-01-09 04:29:46,877 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:29:46,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.3.M1.c that has 26 procedures, 1649 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:29:46,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:29:46,989 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;@8ef22cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:29:46,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:29:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 1649 states, 1022 states have (on average 1.2553816046966733) internal successors, (1283), 1055 states have internal predecessors, (1283), 600 states have call successors, (600), 25 states have call predecessors, (600), 25 states have return successors, (600), 597 states have call predecessors, (600), 600 states have call successors, (600) [2025-01-09 04:29:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2025-01-09 04:29:47,127 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:47,130 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:47,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:47,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:47,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1531634057, now seen corresponding path program 1 times [2025-01-09 04:29:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:47,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843341865] [2025-01-09 04:29:47,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:47,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:48,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1658 statements into 1 equivalence classes. [2025-01-09 04:29:50,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1658 of 1658 statements. [2025-01-09 04:29:50,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:50,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:29:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 115680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked. [2025-01-09 04:29:56,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:29:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843341865] [2025-01-09 04:29:56,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843341865] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:29:56,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:29:56,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:29:56,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253703170] [2025-01-09 04:29:56,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:29:56,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:29:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:29:56,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:29:56,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:29:56,205 INFO L87 Difference]: Start difference. First operand has 1649 states, 1022 states have (on average 1.2553816046966733) internal successors, (1283), 1055 states have internal predecessors, (1283), 600 states have call successors, (600), 25 states have call predecessors, (600), 25 states have return successors, (600), 597 states have call predecessors, (600), 600 states have call successors, (600) Second operand has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) [2025-01-09 04:29:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:29:56,837 INFO L93 Difference]: Finished difference Result 4145 states and 7133 transitions. [2025-01-09 04:29:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:29:56,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) Word has length 1658 [2025-01-09 04:29:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:29:56,881 INFO L225 Difference]: With dead ends: 4145 [2025-01-09 04:29:56,881 INFO L226 Difference]: Without dead ends: 2485 [2025-01-09 04:29:56,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:29:56,913 INFO L435 NwaCegarLoop]: 2466 mSDtfsCounter, 1795 mSDsluCounter, 8573 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 11039 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:29:56,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 11039 Invalid, 191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:29:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2025-01-09 04:29:57,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2483. [2025-01-09 04:29:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 1494 states have (on average 1.2255689424364122) internal successors, (1831), 1554 states have internal predecessors, (1831), 943 states have call successors, (943), 45 states have call predecessors, (943), 45 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:29:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3739 transitions. [2025-01-09 04:29:57,301 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3739 transitions. Word has length 1658 [2025-01-09 04:29:57,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:29:57,303 INFO L471 AbstractCegarLoop]: Abstraction has 2483 states and 3739 transitions. [2025-01-09 04:29:57,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 2 states have call successors, (242), 2 states have call predecessors, (242), 1 states have return successors, (241), 1 states have call predecessors, (241), 1 states have call successors, (241) [2025-01-09 04:29:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3739 transitions. [2025-01-09 04:29:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1665 [2025-01-09 04:29:57,443 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:57,443 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:57,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 04:29:57,444 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:57,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:57,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2107458579, now seen corresponding path program 1 times [2025-01-09 04:29:57,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:57,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740434935] [2025-01-09 04:29:57,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:29:58,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1664 statements into 1 equivalence classes. [2025-01-09 04:29:59,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1664 of 1664 statements. [2025-01-09 04:29:59,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:29:59,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 115682 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115680 trivial. 0 not checked. [2025-01-09 04:30:03,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:03,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740434935] [2025-01-09 04:30:03,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740434935] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:03,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:03,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:03,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132197688] [2025-01-09 04:30:03,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:03,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:03,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:03,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:03,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:03,766 INFO L87 Difference]: Start difference. First operand 2483 states and 3739 transitions. Second operand has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) [2025-01-09 04:30:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:04,199 INFO L93 Difference]: Finished difference Result 2491 states and 3745 transitions. [2025-01-09 04:30:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:04,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) Word has length 1664 [2025-01-09 04:30:04,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:04,231 INFO L225 Difference]: With dead ends: 2491 [2025-01-09 04:30:04,231 INFO L226 Difference]: Without dead ends: 2489 [2025-01-09 04:30:04,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:04,234 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1781 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:04,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:04,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2489 states. [2025-01-09 04:30:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2489 to 2487. [2025-01-09 04:30:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 1497 states have (on average 1.225116900467602) internal successors, (1834), 1557 states have internal predecessors, (1834), 943 states have call successors, (943), 46 states have call predecessors, (943), 46 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3742 transitions. [2025-01-09 04:30:04,642 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3742 transitions. Word has length 1664 [2025-01-09 04:30:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 2487 states and 3742 transitions. [2025-01-09 04:30:04,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 2 states have call successors, (243), 2 states have call predecessors, (243), 1 states have return successors, (242), 1 states have call predecessors, (242), 1 states have call successors, (242) [2025-01-09 04:30:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3742 transitions. [2025-01-09 04:30:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2025-01-09 04:30:04,676 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:04,678 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:04,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 04:30:04,678 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:04,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:04,680 INFO L85 PathProgramCache]: Analyzing trace with hash -993992677, now seen corresponding path program 1 times [2025-01-09 04:30:04,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:04,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816921918] [2025-01-09 04:30:04,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:04,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:05,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1670 statements into 1 equivalence classes. [2025-01-09 04:30:06,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1670 of 1670 statements. [2025-01-09 04:30:06,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:06,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 115688 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115684 trivial. 0 not checked. [2025-01-09 04:30:09,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:09,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816921918] [2025-01-09 04:30:09,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816921918] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:09,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:09,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:09,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504866574] [2025-01-09 04:30:09,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:09,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:09,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:09,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:09,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:09,452 INFO L87 Difference]: Start difference. First operand 2487 states and 3742 transitions. Second operand has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) [2025-01-09 04:30:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:09,837 INFO L93 Difference]: Finished difference Result 2495 states and 3748 transitions. [2025-01-09 04:30:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:09,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) Word has length 1670 [2025-01-09 04:30:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:09,855 INFO L225 Difference]: With dead ends: 2495 [2025-01-09 04:30:09,855 INFO L226 Difference]: Without dead ends: 2493 [2025-01-09 04:30:09,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:09,858 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1779 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:09,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:09,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2025-01-09 04:30:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2491. [2025-01-09 04:30:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 1500 states have (on average 1.2246666666666666) internal successors, (1837), 1560 states have internal predecessors, (1837), 943 states have call successors, (943), 47 states have call predecessors, (943), 47 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3745 transitions. [2025-01-09 04:30:10,083 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3745 transitions. Word has length 1670 [2025-01-09 04:30:10,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:10,087 INFO L471 AbstractCegarLoop]: Abstraction has 2491 states and 3745 transitions. [2025-01-09 04:30:10,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 2 states have call successors, (244), 2 states have call predecessors, (244), 1 states have return successors, (243), 1 states have call predecessors, (243), 1 states have call successors, (243) [2025-01-09 04:30:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3745 transitions. [2025-01-09 04:30:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1677 [2025-01-09 04:30:10,117 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:10,117 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:10,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:30:10,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:10,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:10,119 INFO L85 PathProgramCache]: Analyzing trace with hash -596107487, now seen corresponding path program 1 times [2025-01-09 04:30:10,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:10,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088902137] [2025-01-09 04:30:10,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:10,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:11,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1676 statements into 1 equivalence classes. [2025-01-09 04:30:11,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1676 of 1676 statements. [2025-01-09 04:30:11,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:11,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 115698 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 115692 trivial. 0 not checked. [2025-01-09 04:30:15,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:15,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088902137] [2025-01-09 04:30:15,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088902137] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:15,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:15,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:15,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659163320] [2025-01-09 04:30:15,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:15,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:15,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:15,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:15,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:15,241 INFO L87 Difference]: Start difference. First operand 2491 states and 3745 transitions. Second operand has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) [2025-01-09 04:30:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:15,618 INFO L93 Difference]: Finished difference Result 2499 states and 3751 transitions. [2025-01-09 04:30:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:15,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) Word has length 1676 [2025-01-09 04:30:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:15,641 INFO L225 Difference]: With dead ends: 2499 [2025-01-09 04:30:15,641 INFO L226 Difference]: Without dead ends: 2497 [2025-01-09 04:30:15,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:15,645 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1777 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:15,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:15,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2025-01-09 04:30:15,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2495. [2025-01-09 04:30:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 1503 states have (on average 1.224218230206254) internal successors, (1840), 1563 states have internal predecessors, (1840), 943 states have call successors, (943), 48 states have call predecessors, (943), 48 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3748 transitions. [2025-01-09 04:30:15,877 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3748 transitions. Word has length 1676 [2025-01-09 04:30:15,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:15,878 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3748 transitions. [2025-01-09 04:30:15,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 2 states have call successors, (245), 2 states have call predecessors, (245), 1 states have return successors, (244), 1 states have call predecessors, (244), 1 states have call successors, (244) [2025-01-09 04:30:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3748 transitions. [2025-01-09 04:30:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1683 [2025-01-09 04:30:15,904 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:15,906 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:15,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:30:15,907 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:15,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:15,908 INFO L85 PathProgramCache]: Analyzing trace with hash -126858587, now seen corresponding path program 1 times [2025-01-09 04:30:15,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:15,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101029923] [2025-01-09 04:30:15,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:15,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:16,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1682 statements into 1 equivalence classes. [2025-01-09 04:30:17,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1682 of 1682 statements. [2025-01-09 04:30:17,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:17,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 115712 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115704 trivial. 0 not checked. [2025-01-09 04:30:21,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:21,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101029923] [2025-01-09 04:30:21,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101029923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:21,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:21,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:21,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712107808] [2025-01-09 04:30:21,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:21,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:21,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:21,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:21,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:21,454 INFO L87 Difference]: Start difference. First operand 2495 states and 3748 transitions. Second operand has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) [2025-01-09 04:30:21,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:21,776 INFO L93 Difference]: Finished difference Result 2503 states and 3754 transitions. [2025-01-09 04:30:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:21,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) Word has length 1682 [2025-01-09 04:30:21,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:21,791 INFO L225 Difference]: With dead ends: 2503 [2025-01-09 04:30:21,791 INFO L226 Difference]: Without dead ends: 2501 [2025-01-09 04:30:21,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:21,794 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1775 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:21,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2025-01-09 04:30:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2499. [2025-01-09 04:30:22,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 1506 states have (on average 1.2237715803452855) internal successors, (1843), 1566 states have internal predecessors, (1843), 943 states have call successors, (943), 49 states have call predecessors, (943), 49 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3751 transitions. [2025-01-09 04:30:22,013 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3751 transitions. Word has length 1682 [2025-01-09 04:30:22,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:22,015 INFO L471 AbstractCegarLoop]: Abstraction has 2499 states and 3751 transitions. [2025-01-09 04:30:22,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 2 states have call successors, (246), 2 states have call predecessors, (246), 1 states have return successors, (245), 1 states have call predecessors, (245), 1 states have call successors, (245) [2025-01-09 04:30:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3751 transitions. [2025-01-09 04:30:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1689 [2025-01-09 04:30:22,041 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:22,041 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:22,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:30:22,042 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:22,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:22,043 INFO L85 PathProgramCache]: Analyzing trace with hash 815369255, now seen corresponding path program 1 times [2025-01-09 04:30:22,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:22,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250902604] [2025-01-09 04:30:22,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:22,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:23,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1688 statements into 1 equivalence classes. [2025-01-09 04:30:24,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1688 of 1688 statements. [2025-01-09 04:30:24,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:24,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 115730 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 115720 trivial. 0 not checked. [2025-01-09 04:30:27,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:27,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250902604] [2025-01-09 04:30:27,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250902604] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:27,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:27,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:27,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314533635] [2025-01-09 04:30:27,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:27,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:27,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:27,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:27,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:27,486 INFO L87 Difference]: Start difference. First operand 2499 states and 3751 transitions. Second operand has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) [2025-01-09 04:30:27,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:27,792 INFO L93 Difference]: Finished difference Result 2507 states and 3757 transitions. [2025-01-09 04:30:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:27,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) Word has length 1688 [2025-01-09 04:30:27,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:27,809 INFO L225 Difference]: With dead ends: 2507 [2025-01-09 04:30:27,809 INFO L226 Difference]: Without dead ends: 2505 [2025-01-09 04:30:27,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:27,811 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1773 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:27,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2025-01-09 04:30:28,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2503. [2025-01-09 04:30:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 1509 states have (on average 1.2233267064280982) internal successors, (1846), 1569 states have internal predecessors, (1846), 943 states have call successors, (943), 50 states have call predecessors, (943), 50 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3754 transitions. [2025-01-09 04:30:28,067 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3754 transitions. Word has length 1688 [2025-01-09 04:30:28,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:28,069 INFO L471 AbstractCegarLoop]: Abstraction has 2503 states and 3754 transitions. [2025-01-09 04:30:28,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 2 states have call successors, (247), 2 states have call predecessors, (247), 1 states have return successors, (246), 1 states have call predecessors, (246), 1 states have call successors, (246) [2025-01-09 04:30:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3754 transitions. [2025-01-09 04:30:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1695 [2025-01-09 04:30:28,089 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:28,090 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:28,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 04:30:28,090 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:28,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:28,091 INFO L85 PathProgramCache]: Analyzing trace with hash 998173991, now seen corresponding path program 1 times [2025-01-09 04:30:28,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:28,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675498322] [2025-01-09 04:30:28,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:29,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1694 statements into 1 equivalence classes. [2025-01-09 04:30:29,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1694 of 1694 statements. [2025-01-09 04:30:29,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:29,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 115752 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 115740 trivial. 0 not checked. [2025-01-09 04:30:33,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:33,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675498322] [2025-01-09 04:30:33,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675498322] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:33,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:33,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:33,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122772682] [2025-01-09 04:30:33,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:33,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:33,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:33,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:33,906 INFO L87 Difference]: Start difference. First operand 2503 states and 3754 transitions. Second operand has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) [2025-01-09 04:30:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:34,283 INFO L93 Difference]: Finished difference Result 2511 states and 3760 transitions. [2025-01-09 04:30:34,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:34,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) Word has length 1694 [2025-01-09 04:30:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:34,298 INFO L225 Difference]: With dead ends: 2511 [2025-01-09 04:30:34,298 INFO L226 Difference]: Without dead ends: 2509 [2025-01-09 04:30:34,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:34,299 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1771 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:34,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1771 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2025-01-09 04:30:34,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2507. [2025-01-09 04:30:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1512 states have (on average 1.222883597883598) internal successors, (1849), 1572 states have internal predecessors, (1849), 943 states have call successors, (943), 51 states have call predecessors, (943), 51 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3757 transitions. [2025-01-09 04:30:34,632 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3757 transitions. Word has length 1694 [2025-01-09 04:30:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:34,636 INFO L471 AbstractCegarLoop]: Abstraction has 2507 states and 3757 transitions. [2025-01-09 04:30:34,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 2 states have call successors, (248), 2 states have call predecessors, (248), 1 states have return successors, (247), 1 states have call predecessors, (247), 1 states have call successors, (247) [2025-01-09 04:30:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3757 transitions. [2025-01-09 04:30:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1701 [2025-01-09 04:30:34,663 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:34,664 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:34,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 04:30:34,664 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:34,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash 111040293, now seen corresponding path program 1 times [2025-01-09 04:30:34,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:34,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738611157] [2025-01-09 04:30:34,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:36,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1700 statements into 1 equivalence classes. [2025-01-09 04:30:37,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1700 of 1700 statements. [2025-01-09 04:30:37,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:37,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 115778 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 115764 trivial. 0 not checked. [2025-01-09 04:30:41,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:41,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738611157] [2025-01-09 04:30:41,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738611157] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:41,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:41,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:41,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811410574] [2025-01-09 04:30:41,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:41,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:41,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:41,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:41,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:41,023 INFO L87 Difference]: Start difference. First operand 2507 states and 3757 transitions. Second operand has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 2 states have call successors, (249), 2 states have call predecessors, (249), 1 states have return successors, (248), 1 states have call predecessors, (248), 1 states have call successors, (248) [2025-01-09 04:30:41,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:41,448 INFO L93 Difference]: Finished difference Result 2515 states and 3763 transitions. [2025-01-09 04:30:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:41,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 2 states have call successors, (249), 2 states have call predecessors, (249), 1 states have return successors, (248), 1 states have call predecessors, (248), 1 states have call successors, (248) Word has length 1700 [2025-01-09 04:30:41,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:41,469 INFO L225 Difference]: With dead ends: 2515 [2025-01-09 04:30:41,470 INFO L226 Difference]: Without dead ends: 2513 [2025-01-09 04:30:41,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:41,472 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1769 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:41,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2025-01-09 04:30:41,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2511. [2025-01-09 04:30:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 1515 states have (on average 1.2224422442244225) internal successors, (1852), 1575 states have internal predecessors, (1852), 943 states have call successors, (943), 52 states have call predecessors, (943), 52 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3760 transitions. [2025-01-09 04:30:41,847 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3760 transitions. Word has length 1700 [2025-01-09 04:30:41,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:41,848 INFO L471 AbstractCegarLoop]: Abstraction has 2511 states and 3760 transitions. [2025-01-09 04:30:41,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 2 states have call successors, (249), 2 states have call predecessors, (249), 1 states have return successors, (248), 1 states have call predecessors, (248), 1 states have call successors, (248) [2025-01-09 04:30:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3760 transitions. [2025-01-09 04:30:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1707 [2025-01-09 04:30:41,879 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:41,880 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:41,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 04:30:41,880 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:41,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:41,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1396665439, now seen corresponding path program 1 times [2025-01-09 04:30:41,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:41,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339049270] [2025-01-09 04:30:41,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:43,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1706 statements into 1 equivalence classes. [2025-01-09 04:30:43,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1706 of 1706 statements. [2025-01-09 04:30:43,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:43,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 115808 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 115792 trivial. 0 not checked. [2025-01-09 04:30:47,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:47,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339049270] [2025-01-09 04:30:47,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339049270] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:47,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:47,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:47,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421045746] [2025-01-09 04:30:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:47,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:47,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:47,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:47,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:47,460 INFO L87 Difference]: Start difference. First operand 2511 states and 3760 transitions. Second operand has 6 states, 5 states have (on average 93.2) internal successors, (466), 5 states have internal predecessors, (466), 2 states have call successors, (250), 2 states have call predecessors, (250), 1 states have return successors, (249), 1 states have call predecessors, (249), 1 states have call successors, (249) [2025-01-09 04:30:47,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:47,772 INFO L93 Difference]: Finished difference Result 2519 states and 3766 transitions. [2025-01-09 04:30:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:47,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 93.2) internal successors, (466), 5 states have internal predecessors, (466), 2 states have call successors, (250), 2 states have call predecessors, (250), 1 states have return successors, (249), 1 states have call predecessors, (249), 1 states have call successors, (249) Word has length 1706 [2025-01-09 04:30:47,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:47,794 INFO L225 Difference]: With dead ends: 2519 [2025-01-09 04:30:47,794 INFO L226 Difference]: Without dead ends: 2517 [2025-01-09 04:30:47,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:47,796 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1767 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:47,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:47,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2025-01-09 04:30:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2515. [2025-01-09 04:30:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 1518 states have (on average 1.2220026350461133) internal successors, (1855), 1578 states have internal predecessors, (1855), 943 states have call successors, (943), 53 states have call predecessors, (943), 53 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3763 transitions. [2025-01-09 04:30:48,098 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3763 transitions. Word has length 1706 [2025-01-09 04:30:48,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:48,099 INFO L471 AbstractCegarLoop]: Abstraction has 2515 states and 3763 transitions. [2025-01-09 04:30:48,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 93.2) internal successors, (466), 5 states have internal predecessors, (466), 2 states have call successors, (250), 2 states have call predecessors, (250), 1 states have return successors, (249), 1 states have call predecessors, (249), 1 states have call successors, (249) [2025-01-09 04:30:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3763 transitions. [2025-01-09 04:30:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1713 [2025-01-09 04:30:48,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:48,119 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:48,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 04:30:48,119 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:48,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1246841883, now seen corresponding path program 1 times [2025-01-09 04:30:48,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:48,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049184185] [2025-01-09 04:30:48,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:49,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1712 statements into 1 equivalence classes. [2025-01-09 04:30:50,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1712 of 1712 statements. [2025-01-09 04:30:50,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:50,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 115842 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 115824 trivial. 0 not checked. [2025-01-09 04:30:54,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:54,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049184185] [2025-01-09 04:30:54,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049184185] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:30:54,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:30:54,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:30:54,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762044058] [2025-01-09 04:30:54,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:30:54,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:30:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:30:54,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:30:54,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:30:54,170 INFO L87 Difference]: Start difference. First operand 2515 states and 3763 transitions. Second operand has 6 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 2 states have call successors, (251), 2 states have call predecessors, (251), 1 states have return successors, (250), 1 states have call predecessors, (250), 1 states have call successors, (250) [2025-01-09 04:30:54,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:30:54,499 INFO L93 Difference]: Finished difference Result 2523 states and 3769 transitions. [2025-01-09 04:30:54,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 04:30:54,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 2 states have call successors, (251), 2 states have call predecessors, (251), 1 states have return successors, (250), 1 states have call predecessors, (250), 1 states have call successors, (250) Word has length 1712 [2025-01-09 04:30:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:30:54,517 INFO L225 Difference]: With dead ends: 2523 [2025-01-09 04:30:54,517 INFO L226 Difference]: Without dead ends: 2521 [2025-01-09 04:30:54,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 04:30:54,519 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 1765 mSDsluCounter, 8542 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 11002 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 04:30:54,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 11002 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 04:30:54,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2025-01-09 04:30:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2519. [2025-01-09 04:30:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1521 states have (on average 1.2215647600262984) internal successors, (1858), 1581 states have internal predecessors, (1858), 943 states have call successors, (943), 54 states have call predecessors, (943), 54 states have return successors, (965), 936 states have call predecessors, (965), 941 states have call successors, (965) [2025-01-09 04:30:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3766 transitions. [2025-01-09 04:30:54,888 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3766 transitions. Word has length 1712 [2025-01-09 04:30:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:30:54,891 INFO L471 AbstractCegarLoop]: Abstraction has 2519 states and 3766 transitions. [2025-01-09 04:30:54,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 93.4) internal successors, (467), 5 states have internal predecessors, (467), 2 states have call successors, (251), 2 states have call predecessors, (251), 1 states have return successors, (250), 1 states have call predecessors, (250), 1 states have call successors, (250) [2025-01-09 04:30:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3766 transitions. [2025-01-09 04:30:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1719 [2025-01-09 04:30:54,915 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:54,915 INFO L218 NwaCegarLoop]: trace histogram [241, 241, 241, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:30:54,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 04:30:54,916 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:30:54,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:54,917 INFO L85 PathProgramCache]: Analyzing trace with hash 800524819, now seen corresponding path program 1 times [2025-01-09 04:30:54,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:54,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128578872] [2025-01-09 04:30:54,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:54,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms