./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:13:20,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:13:20,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:13:20,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:13:20,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:13:20,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:13:20,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:13:20,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:13:20,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:13:20,284 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:13:20,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:13:20,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:13:20,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:13:20,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:13:20,286 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:13:20,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:13:20,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:13:20,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:13:20,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:13:20,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:13:20,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:13:20,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:13:20,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:13:20,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:13:20,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:13:20,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:13:20,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:13:20,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:13:20,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:13:20,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:13:20,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:13:20,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:13:20,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:13:20,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:13:20,290 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5235a092d2f116f7b83a934e5905896d63bc9e7551cc3a581afc6904f32e3ebd [2025-02-06 05:13:20,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:13:20,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:13:20,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:13:20,662 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:13:20,663 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:13:20,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2025-02-06 05:13:22,108 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c87e7fef1/00d8a86440ed40c7972cde38f949396b/FLAGece948bc4 [2025-02-06 05:13:22,708 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:13:22,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i [2025-02-06 05:13:22,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c87e7fef1/00d8a86440ed40c7972cde38f949396b/FLAGece948bc4 [2025-02-06 05:13:22,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c87e7fef1/00d8a86440ed40c7972cde38f949396b [2025-02-06 05:13:22,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:13:22,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:13:22,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:13:22,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:13:22,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:13:22,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:13:22" (1/1) ... [2025-02-06 05:13:22,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2707fbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:22, skipping insertion in model container [2025-02-06 05:13:22,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:13:22" (1/1) ... [2025-02-06 05:13:22,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:13:23,255 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4504,4517] [2025-02-06 05:13:23,266 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4564,4577] [2025-02-06 05:13:24,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,951 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:24,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,760 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,899 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[227986,227999] [2025-02-06 05:13:25,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:13:25,937 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:13:25,948 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4504,4517] [2025-02-06 05:13:25,948 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[4564,4577] [2025-02-06 05:13:25,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:25,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-06 05:13:26,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:26,170 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/aws-c-common/aws_hash_table_get_entry_count_harness_negated.i[227986,227999] [2025-02-06 05:13:26,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:13:26,402 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:13:26,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26 WrapperNode [2025-02-06 05:13:26,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:13:26,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:13:26,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:13:26,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:13:26,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,539 INFO L138 Inliner]: procedures = 763, calls = 2428, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 607 [2025-02-06 05:13:26,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:13:26,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:13:26,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:13:26,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:13:26,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,636 INFO L175 MemorySlicer]: Split 282 memory accesses to 8 slices as follows [6, 238, 2, 2, 19, 3, 7, 5]. 84 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 6, 2, 0, 0, 0, 0, 5]. The 238 writes are split as follows [2, 232, 0, 1, 1, 1, 1, 0]. [2025-02-06 05:13:26,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,684 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:13:26,720 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:13:26,720 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:13:26,720 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:13:26,721 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (1/1) ... [2025-02-06 05:13:26,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:13:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:13:26,751 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) [2025-02-06 05:13:26,757 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 [2025-02-06 05:13:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-06 05:13:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-06 05:13:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-06 05:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-06 05:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-06 05:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-06 05:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-06 05:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-02-06 05:13:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:13:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:13:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:13:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:13:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:13:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:13:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:13:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:13:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:13:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:13:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:13:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:13:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:13:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:13:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:13:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:13:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:13:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:13:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:13:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:13:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:13:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:13:27,137 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:13:27,140 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:13:27,181 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:13:27,217 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:13:27,251 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:13:27,255 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:13:27,317 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-06 05:13:27,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9114: havoc #t~mem1150; [2025-02-06 05:13:27,398 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:13:27,424 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:13:33,246 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:13:33,300 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2025-02-06 05:13:33,301 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:13:33,323 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:13:33,325 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:13:33,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:13:33 BoogieIcfgContainer [2025-02-06 05:13:33,326 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:13:33,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:13:33,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:13:33,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:13:33,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:13:22" (1/3) ... [2025-02-06 05:13:33,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259028b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:13:33, skipping insertion in model container [2025-02-06 05:13:33,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:26" (2/3) ... [2025-02-06 05:13:33,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259028b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:13:33, skipping insertion in model container [2025-02-06 05:13:33,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:13:33" (3/3) ... [2025-02-06 05:13:33,338 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness_negated.i [2025-02-06 05:13:33,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:13:33,353 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_get_entry_count_harness_negated.i that has 15 procedures, 121 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:13:33,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:13:33,424 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;@27624cc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:13:33,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:13:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 05:13:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 05:13:33,439 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:13:33,440 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:13:33,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:13:33,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:13:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 851101490, now seen corresponding path program 1 times [2025-02-06 05:13:33,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:13:33,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752681146] [2025-02-06 05:13:33,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:13:39,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 05:13:39,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 05:13:39,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:39,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-02-06 05:13:40,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:13:40,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752681146] [2025-02-06 05:13:40,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752681146] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:13:40,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491818006] [2025-02-06 05:13:40,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:13:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:13:40,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:13:40,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:13:45,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 05:13:46,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 05:13:46,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:46,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:46,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 4316 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:13:46,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:13:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-02-06 05:13:46,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:13:46,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491818006] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:13:46,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:13:46,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:13:46,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038953846] [2025-02-06 05:13:46,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:13:46,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:13:46,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:13:46,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:13:46,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:13:46,221 INFO L87 Difference]: Start difference. First operand has 121 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 05:13:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:13:46,259 INFO L93 Difference]: Finished difference Result 234 states and 297 transitions. [2025-02-06 05:13:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:13:46,263 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2025-02-06 05:13:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:13:46,269 INFO L225 Difference]: With dead ends: 234 [2025-02-06 05:13:46,270 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 05:13:46,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:13:46,275 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:13:46,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:13:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 05:13:46,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-06 05:13:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 74 states have (on average 1.1486486486486487) internal successors, (85), 75 states have internal predecessors, (85), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 05:13:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2025-02-06 05:13:46,312 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 108 [2025-02-06 05:13:46,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:13:46,312 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2025-02-06 05:13:46,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 05:13:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2025-02-06 05:13:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 05:13:46,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:13:46,317 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:13:46,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:13:46,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 05:13:46,518 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:13:46,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:13:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash -776573964, now seen corresponding path program 1 times [2025-02-06 05:13:46,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:13:46,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056576742] [2025-02-06 05:13:46,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:13:50,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 05:13:51,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 05:13:51,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:51,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-02-06 05:13:52,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:13:52,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056576742] [2025-02-06 05:13:52,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056576742] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:13:52,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084884713] [2025-02-06 05:13:52,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:52,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:13:52,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:13:52,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:13:52,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 05:13:57,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 05:13:57,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 05:13:57,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:13:57,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:13:57,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 4316 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:13:57,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:13:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 05:13:57,852 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:13:57,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084884713] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:13:57,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:13:57,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-02-06 05:13:57,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360790043] [2025-02-06 05:13:57,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:13:57,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:13:57,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:13:57,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:13:57,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:13:57,855 INFO L87 Difference]: Start difference. First operand 115 states and 136 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 05:13:58,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:13:58,160 INFO L93 Difference]: Finished difference Result 223 states and 264 transitions. [2025-02-06 05:13:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:13:58,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2025-02-06 05:13:58,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:13:58,165 INFO L225 Difference]: With dead ends: 223 [2025-02-06 05:13:58,165 INFO L226 Difference]: Without dead ends: 120 [2025-02-06 05:13:58,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:13:58,167 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 05:13:58,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 524 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 05:13:58,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-06 05:13:58,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-06 05:13:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.141025641025641) internal successors, (89), 79 states have internal predecessors, (89), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-02-06 05:13:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2025-02-06 05:13:58,191 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 108 [2025-02-06 05:13:58,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:13:58,192 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2025-02-06 05:13:58,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 05:13:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2025-02-06 05:13:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 05:13:58,198 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:13:58,198 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:13:58,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 05:13:58,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:13:58,399 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:13:58,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:13:58,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1530339116, now seen corresponding path program 1 times [2025-02-06 05:13:58,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:13:58,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355811289] [2025-02-06 05:13:58,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:13:58,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:02,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 05:14:02,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 05:14:02,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:02,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-02-06 05:14:06,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:06,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355811289] [2025-02-06 05:14:06,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355811289] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:06,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:06,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 05:14:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138236401] [2025-02-06 05:14:06,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:06,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 05:14:06,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:06,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 05:14:06,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 05:14:06,551 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 05:14:08,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:08,366 INFO L93 Difference]: Finished difference Result 224 states and 262 transitions. [2025-02-06 05:14:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 05:14:08,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 120 [2025-02-06 05:14:08,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:08,369 INFO L225 Difference]: With dead ends: 224 [2025-02-06 05:14:08,369 INFO L226 Difference]: Without dead ends: 125 [2025-02-06 05:14:08,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:14:08,371 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 20 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:08,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 786 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 05:14:08,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-02-06 05:14:08,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2025-02-06 05:14:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.1375) internal successors, (91), 81 states have internal predecessors, (91), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-02-06 05:14:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2025-02-06 05:14:08,382 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 120 [2025-02-06 05:14:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:08,383 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2025-02-06 05:14:08,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 05:14:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2025-02-06 05:14:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 05:14:08,389 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:08,389 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:14:08,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 05:14:08,389 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:08,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:08,390 INFO L85 PathProgramCache]: Analyzing trace with hash 839094869, now seen corresponding path program 1 times [2025-02-06 05:14:08,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:08,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194614308] [2025-02-06 05:14:08,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:08,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:12,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 05:14:12,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 05:14:12,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:12,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-02-06 05:14:13,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:13,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194614308] [2025-02-06 05:14:13,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194614308] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:13,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:13,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 05:14:13,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894751202] [2025-02-06 05:14:13,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:13,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:14:13,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:13,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:14:13,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:13,511 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 05:14:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:13,702 INFO L93 Difference]: Finished difference Result 225 states and 262 transitions. [2025-02-06 05:14:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:14:13,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 120 [2025-02-06 05:14:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:13,705 INFO L225 Difference]: With dead ends: 225 [2025-02-06 05:14:13,705 INFO L226 Difference]: Without dead ends: 120 [2025-02-06 05:14:13,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:13,706 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 15 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:13,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 366 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 05:14:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-06 05:14:13,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-06 05:14:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 79 states have internal predecessors, (87), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-02-06 05:14:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2025-02-06 05:14:13,721 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 120 [2025-02-06 05:14:13,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:13,721 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2025-02-06 05:14:13,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 05:14:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2025-02-06 05:14:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 05:14:13,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:13,723 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:14:13,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 05:14:13,723 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:13,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:13,724 INFO L85 PathProgramCache]: Analyzing trace with hash 110275188, now seen corresponding path program 1 times [2025-02-06 05:14:13,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:13,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693147971] [2025-02-06 05:14:13,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:17,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 05:14:17,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 05:14:17,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:17,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-02-06 05:14:20,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:20,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693147971] [2025-02-06 05:14:20,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693147971] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:20,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:20,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 05:14:20,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258832058] [2025-02-06 05:14:20,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:20,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:14:20,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:20,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:14:20,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 05:14:20,289 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-06 05:14:20,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:20,857 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2025-02-06 05:14:20,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 05:14:20,857 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 126 [2025-02-06 05:14:20,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:20,859 INFO L225 Difference]: With dead ends: 218 [2025-02-06 05:14:20,859 INFO L226 Difference]: Without dead ends: 120 [2025-02-06 05:14:20,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 05:14:20,860 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 2 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:20,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 744 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 05:14:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-06 05:14:20,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-06 05:14:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1025641025641026) internal successors, (86), 79 states have internal predecessors, (86), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2025-02-06 05:14:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2025-02-06 05:14:20,874 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 126 [2025-02-06 05:14:20,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:20,874 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2025-02-06 05:14:20,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-06 05:14:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2025-02-06 05:14:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 05:14:20,876 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:20,876 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:14:20,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 05:14:20,876 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:20,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash -936808756, now seen corresponding path program 1 times [2025-02-06 05:14:20,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:20,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867399987] [2025-02-06 05:14:20,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:24,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 05:14:25,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 05:14:25,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:25,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-02-06 05:14:29,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:29,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867399987] [2025-02-06 05:14:29,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867399987] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:29,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352740508] [2025-02-06 05:14:29,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:29,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:29,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:29,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:14:29,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 05:14:33,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 05:14:34,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 05:14:34,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:34,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:34,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 4380 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-02-06 05:14:34,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:14:38,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 1 [2025-02-06 05:14:38,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-06 05:14:38,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1