./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.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_array_list_ensure_capacity_harness.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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:49:24,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:49:24,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:49:24,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:49:24,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:49:24,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:49:24,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:49:24,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:49:24,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:49:24,554 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:49:24,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:49:24,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:49:24,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:49:24,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:49:24,555 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:49:24,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:49:24,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:49:24,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:49:24,556 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:49:24,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:49:24,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:49:24,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:49:24,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:49:24,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:49:24,557 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 -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2025-02-06 04:49:24,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:49:24,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:49:24,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:49:24,806 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:49:24,806 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:49:24,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2025-02-06 04:49:25,947 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db0f92ca6/7465b00c39154f178578d4d462f50e15/FLAG08f526b7d [2025-02-06 04:49:26,310 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:49:26,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2025-02-06 04:49:26,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db0f92ca6/7465b00c39154f178578d4d462f50e15/FLAG08f526b7d [2025-02-06 04:49:26,346 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db0f92ca6/7465b00c39154f178578d4d462f50e15 [2025-02-06 04:49:26,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:49:26,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:49:26,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:49:26,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:49:26,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:49:26,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:49:26" (1/1) ... [2025-02-06 04:49:26,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a987b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:26, skipping insertion in model container [2025-02-06 04:49:26,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:49:26" (1/1) ... [2025-02-06 04:49:26,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:49:26,559 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_array_list_ensure_capacity_harness.i[4504,4517] [2025-02-06 04:49:26,566 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_array_list_ensure_capacity_harness.i[4564,4577] [2025-02-06 04:49:26,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:26,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:26,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:26,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:26,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:26,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:26,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,332 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:49:27,362 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:49:27,372 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_array_list_ensure_capacity_harness.i[4504,4517] [2025-02-06 04:49:27,372 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_array_list_ensure_capacity_harness.i[4564,4577] [2025-02-06 04:49:27,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2025-02-06 04:49:27,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:49:27,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:49:27,675 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:49:27,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27 WrapperNode [2025-02-06 04:49:27,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:49:27,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:49:27,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:49:27,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:49:27,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,805 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 812 [2025-02-06 04:49:27,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:49:27,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:49:27,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:49:27,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:49:27,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,905 INFO L175 MemorySlicer]: Split 328 memory accesses to 7 slices as follows [6, 2, 238, 2, 6, 9, 65]. 73 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [1, 0, 6, 2, 0, 5, 10]. The 242 writes are split as follows [1, 1, 232, 0, 2, 1, 5]. [2025-02-06 04:49:27,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,942 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:49:27,958 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:49:27,958 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:49:27,959 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:49:27,959 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (1/1) ... [2025-02-06 04:49:27,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:49:27,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:49:27,984 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 04:49:27,993 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 04:49:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:49:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 04:49:28,010 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 04:49:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 04:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 04:49:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:49:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 04:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 04:49:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:49:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:49:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:49:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:49:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:49:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:49:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 04:49:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:49:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:49:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:49:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 04:49:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:49:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:49:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:49:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 04:49:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 04:49:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:49:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:49:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:49:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:49:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:49:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:49:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 04:49:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 04:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 04:49:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 04:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 04:49:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_ensure_capacity [2025-02-06 04:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_ensure_capacity [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 04:49:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 04:49:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:49:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 04:49:28,333 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:49:28,335 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:49:28,374 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-02-06 04:49:28,448 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-02-06 04:49:28,462 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-02-06 04:49:28,530 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7518: call ULTIMATE.dealloc(~#necessary_size~0#1.base, ~#necessary_size~0#1.offset);havoc ~#necessary_size~0#1.base, ~#necessary_size~0#1.offset; [2025-02-06 04:49:28,530 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7527: havoc #t~ret758#1; [2025-02-06 04:49:28,530 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7540: havoc #t~ret765#1; [2025-02-06 04:49:28,530 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7417: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2025-02-06 04:49:28,536 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2025-02-06 04:49:28,588 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-06 04:49:28,590 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:49:28,599 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2025-02-06 04:49:28,605 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7396: havoc #t~ret682.base, #t~ret682.offset; [2025-02-06 04:49:28,621 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2615: havoc #t~ret59#1; [2025-02-06 04:49:33,900 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:49:33,976 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2025-02-06 04:49:33,976 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:49:33,996 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:49:33,997 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:49:33,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:49:33 BoogieIcfgContainer [2025-02-06 04:49:33,997 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:49:33,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:49:33,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:49:34,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:49:34,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:49:26" (1/3) ... [2025-02-06 04:49:34,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34be56de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:49:34, skipping insertion in model container [2025-02-06 04:49:34,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:49:27" (2/3) ... [2025-02-06 04:49:34,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34be56de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:49:34, skipping insertion in model container [2025-02-06 04:49:34,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:49:33" (3/3) ... [2025-02-06 04:49:34,004 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2025-02-06 04:49:34,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:49:34,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_ensure_capacity_harness.i that has 22 procedures, 243 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 04:49:34,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:49:34,062 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;@5440c5e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:49:34,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:49:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 147 states have (on average 1.2040816326530612) internal successors, (177), 148 states have internal predecessors, (177), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-06 04:49:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 04:49:34,071 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:49:34,072 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2025-02-06 04:49:34,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:49:34,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:49:34,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1658323448, now seen corresponding path program 1 times [2025-02-06 04:49:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:49:34,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935349824] [2025-02-06 04:49:34,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:49:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:49:38,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 04:49:38,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 04:49:38,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:49:38,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:49:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-06 04:49:39,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:49:39,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935349824] [2025-02-06 04:49:39,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935349824] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:49:39,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728710845] [2025-02-06 04:49:39,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:49:39,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:49:39,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:49:39,065 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 04:49:39,073 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 04:49:43,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 04:49:43,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 04:49:43,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:49:43,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:49:43,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 4265 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 04:49:43,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:49:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-06 04:49:43,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:49:43,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728710845] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:49:43,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:49:43,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 04:49:43,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306440320] [2025-02-06 04:49:43,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:49:43,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 04:49:43,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:49:43,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 04:49:43,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 04:49:43,845 INFO L87 Difference]: Start difference. First operand has 243 states, 147 states have (on average 1.2040816326530612) internal successors, (177), 148 states have internal predecessors, (177), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 04:49:43,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:49:43,893 INFO L93 Difference]: Finished difference Result 479 states and 682 transitions. [2025-02-06 04:49:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 04:49:43,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2025-02-06 04:49:43,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:49:43,903 INFO L225 Difference]: With dead ends: 479 [2025-02-06 04:49:43,903 INFO L226 Difference]: Without dead ends: 232 [2025-02-06 04:49:43,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 04:49:43,914 INFO L435 NwaCegarLoop]: 321 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 04:49:43,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 04:49:43,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-06 04:49:43,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2025-02-06 04:49:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 138 states have (on average 1.181159420289855) internal successors, (163), 140 states have internal predecessors, (163), 73 states have call successors, (73), 21 states have call predecessors, (73), 20 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2025-02-06 04:49:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 306 transitions. [2025-02-06 04:49:43,966 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 306 transitions. Word has length 87 [2025-02-06 04:49:43,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:49:43,967 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 306 transitions. [2025-02-06 04:49:43,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 04:49:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 306 transitions. [2025-02-06 04:49:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 04:49:43,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:49:43,970 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2025-02-06 04:49:43,985 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 04:49:44,175 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 04:49:44,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:49:44,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:49:44,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1756555557, now seen corresponding path program 1 times [2025-02-06 04:49:44,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:49:44,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231176919] [2025-02-06 04:49:44,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:49:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:49:48,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 04:49:48,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 04:49:48,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:49:48,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:49:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 04:49:49,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:49:49,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231176919] [2025-02-06 04:49:49,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231176919] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:49:49,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194455788] [2025-02-06 04:49:49,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:49:49,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:49:49,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:49:49,123 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 04:49:49,127 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 04:49:53,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 04:49:54,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 04:49:54,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:49:54,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:49:54,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 4265 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 04:49:54,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:49:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 04:49:54,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:49:54,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194455788] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:49:54,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:49:54,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 04:49:54,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510476365] [2025-02-06 04:49:54,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:49:54,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 04:49:54,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:49:54,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 04:49:54,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 04:49:54,758 INFO L87 Difference]: Start difference. First operand 232 states and 306 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-06 04:49:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:49:56,897 INFO L93 Difference]: Finished difference Result 440 states and 589 transitions. [2025-02-06 04:49:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 04:49:56,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 87 [2025-02-06 04:49:56,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:49:56,907 INFO L225 Difference]: With dead ends: 440 [2025-02-06 04:49:56,907 INFO L226 Difference]: Without dead ends: 234 [2025-02-06 04:49:56,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 04:49:56,909 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 316 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-06 04:49:56,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 998 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-06 04:49:56,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2025-02-06 04:49:56,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2025-02-06 04:49:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 139 states have (on average 1.1798561151079137) internal successors, (164), 142 states have internal predecessors, (164), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2025-02-06 04:49:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 317 transitions. [2025-02-06 04:49:56,941 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 317 transitions. Word has length 87 [2025-02-06 04:49:56,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:49:56,942 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 317 transitions. [2025-02-06 04:49:56,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-02-06 04:49:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 317 transitions. [2025-02-06 04:49:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 04:49:56,944 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:49:56,944 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2025-02-06 04:49:56,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 04:49:57,144 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 04:49:57,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:49:57,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:49:57,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1018411651, now seen corresponding path program 1 times [2025-02-06 04:49:57,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:49:57,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384724088] [2025-02-06 04:49:57,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:49:57,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:50:01,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 04:50:01,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 04:50:01,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:01,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 04:50:02,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:50:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384724088] [2025-02-06 04:50:02,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384724088] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:50:02,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024899918] [2025-02-06 04:50:02,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:02,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:50:02,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:50:02,356 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 04:50:02,369 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 04:50:06,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 04:50:06,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 04:50:06,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:06,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:06,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 04:50:06,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:50:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 04:50:08,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:50:08,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024899918] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:50:08,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:50:08,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 04:50:08,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650535119] [2025-02-06 04:50:08,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:50:08,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 04:50:08,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:50:08,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 04:50:08,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 04:50:08,090 INFO L87 Difference]: Start difference. First operand 234 states and 317 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 04:50:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:50:12,205 INFO L93 Difference]: Finished difference Result 432 states and 583 transitions. [2025-02-06 04:50:12,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 04:50:12,206 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 102 [2025-02-06 04:50:12,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:50:12,208 INFO L225 Difference]: With dead ends: 432 [2025-02-06 04:50:12,212 INFO L226 Difference]: Without dead ends: 234 [2025-02-06 04:50:12,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-02-06 04:50:12,214 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 368 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2025-02-06 04:50:12,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1297 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2025-02-06 04:50:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2025-02-06 04:50:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2025-02-06 04:50:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 139 states have (on average 1.1798561151079137) internal successors, (164), 142 states have internal predecessors, (164), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (74), 70 states have call predecessors, (74), 70 states have call successors, (74) [2025-02-06 04:50:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2025-02-06 04:50:12,245 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 102 [2025-02-06 04:50:12,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:50:12,246 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2025-02-06 04:50:12,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 04:50:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2025-02-06 04:50:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 04:50:12,248 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:50:12,249 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2025-02-06 04:50:12,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 04:50:12,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:50:12,449 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:50:12,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:50:12,450 INFO L85 PathProgramCache]: Analyzing trace with hash 135369745, now seen corresponding path program 2 times [2025-02-06 04:50:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:50:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548020061] [2025-02-06 04:50:12,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 04:50:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:50:16,101 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-02-06 04:50:16,176 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 33 of 117 statements. [2025-02-06 04:50:16,177 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 04:50:16,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-02-06 04:50:16,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:50:16,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548020061] [2025-02-06 04:50:16,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548020061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:50:16,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:50:16,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 04:50:16,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349574647] [2025-02-06 04:50:16,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:50:16,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 04:50:16,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:50:16,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 04:50:16,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 04:50:16,791 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 04:50:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:50:16,959 INFO L93 Difference]: Finished difference Result 409 states and 535 transitions. [2025-02-06 04:50:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 04:50:16,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2025-02-06 04:50:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:50:16,962 INFO L225 Difference]: With dead ends: 409 [2025-02-06 04:50:16,962 INFO L226 Difference]: Without dead ends: 239 [2025-02-06 04:50:16,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 04:50:16,964 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 04:50:16,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1206 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 04:50:16,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2025-02-06 04:50:16,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2025-02-06 04:50:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 143 states have (on average 1.1748251748251748) internal successors, (168), 146 states have internal predecessors, (168), 73 states have call successors, (73), 21 states have call predecessors, (73), 22 states have return successors, (75), 71 states have call predecessors, (75), 70 states have call successors, (75) [2025-02-06 04:50:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 316 transitions. [2025-02-06 04:50:16,977 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 316 transitions. Word has length 117 [2025-02-06 04:50:16,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:50:16,977 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 316 transitions. [2025-02-06 04:50:16,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 04:50:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 316 transitions. [2025-02-06 04:50:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 04:50:16,978 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:50:16,979 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2025-02-06 04:50:16,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 04:50:16,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:50:16,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:50:16,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1509133710, now seen corresponding path program 1 times [2025-02-06 04:50:16,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:50:16,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327553830] [2025-02-06 04:50:16,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:50:20,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 04:50:20,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 04:50:20,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:20,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-06 04:50:22,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:50:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327553830] [2025-02-06 04:50:22,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327553830] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:50:22,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537845785] [2025-02-06 04:50:22,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:50:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:50:22,222 INFO L229 MonitoredProcess]: Starting monitored process 5 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 04:50:22,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 04:50:26,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 04:50:27,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 04:50:27,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:27,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:27,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 04:50:27,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:50:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-02-06 04:50:28,757 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:50:28,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537845785] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:50:28,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:50:28,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-02-06 04:50:28,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240192734] [2025-02-06 04:50:28,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:50:28,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 04:50:28,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:50:28,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 04:50:28,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-06 04:50:28,759 INFO L87 Difference]: Start difference. First operand 239 states and 316 transitions. Second operand has 9 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2025-02-06 04:50:33,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:50:33,420 INFO L93 Difference]: Finished difference Result 439 states and 576 transitions. [2025-02-06 04:50:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 04:50:33,421 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) Word has length 123 [2025-02-06 04:50:33,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:50:33,423 INFO L225 Difference]: With dead ends: 439 [2025-02-06 04:50:33,424 INFO L226 Difference]: Without dead ends: 237 [2025-02-06 04:50:33,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2025-02-06 04:50:33,430 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 378 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-02-06 04:50:33,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1517 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-02-06 04:50:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-02-06 04:50:33,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2025-02-06 04:50:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 142 states have (on average 1.1690140845070423) internal successors, (166), 144 states have internal predecessors, (166), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2025-02-06 04:50:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2025-02-06 04:50:33,444 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 123 [2025-02-06 04:50:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:50:33,444 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2025-02-06 04:50:33,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2025-02-06 04:50:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2025-02-06 04:50:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-02-06 04:50:33,445 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:50:33,445 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-02-06 04:50:33,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 04:50:33,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:50:33,650 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:50:33,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:50:33,651 INFO L85 PathProgramCache]: Analyzing trace with hash -581940254, now seen corresponding path program 1 times [2025-02-06 04:50:33,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:50:33,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958257219] [2025-02-06 04:50:33,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:33,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:50:37,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-02-06 04:50:40,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-02-06 04:50:40,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:40,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 04:50:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634004606] [2025-02-06 04:50:40,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:40,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:50:40,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:50:40,588 INFO L229 MonitoredProcess]: Starting monitored process 6 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 04:50:40,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 04:50:45,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes.