./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_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_array_list_front_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 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:50:36,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:50:36,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:50:36,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:50:36,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:50:36,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:50:36,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:50:36,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:50:36,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:50:36,740 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:50:36,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:50:36,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:50:36,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:50:36,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:50:36,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:50:36,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:50:36,743 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:50:36,743 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:50:36,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:50:36,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:50:36,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:50:36,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:50:36,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:50:36,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:50:36,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:50:36,744 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 -> 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 [2025-02-06 04:50:36,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:50:36,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:50:36,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:50:36,967 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:50:36,967 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:50:36,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2025-02-06 04:50:38,111 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7910acc93/5645e9b530c248bd82bffbb06a5d1e19/FLAG8905d5c97 [2025-02-06 04:50:38,569 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:50:38,571 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2025-02-06 04:50:38,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7910acc93/5645e9b530c248bd82bffbb06a5d1e19/FLAG8905d5c97 [2025-02-06 04:50:38,613 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7910acc93/5645e9b530c248bd82bffbb06a5d1e19 [2025-02-06 04:50:38,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:50:38,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:50:38,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:50:38,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:50:38,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:50:38,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:50:38" (1/1) ... [2025-02-06 04:50:38,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5153eb56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:38, skipping insertion in model container [2025-02-06 04:50:38,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:50:38" (1/1) ... [2025-02-06 04:50:38,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:50:38,865 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_front_harness_negated.i[4494,4507] [2025-02-06 04:50:38,872 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_front_harness_negated.i[4554,4567] [2025-02-06 04:50:39,332 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:50:39,707 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:50:39,716 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_front_harness_negated.i[4494,4507] [2025-02-06 04:50:39,716 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_front_harness_negated.i[4554,4567] [2025-02-06 04:50:39,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,793 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:50:39,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] [2025-02-06 04:50:39,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:50:40,063 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:50:40,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40 WrapperNode [2025-02-06 04:50:40,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:50:40,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:50:40,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:50:40,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:50:40,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,162 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2025-02-06 04:50:40,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:50:40,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:50:40,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:50:40,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:50:40,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,229 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [3, 238, 2, 9, 6, 56]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [1, 6, 2, 5, 0, 10]. The 239 writes are split as follows [1, 232, 0, 1, 2, 3]. [2025-02-06 04:50:40,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:50:40,291 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:50:40,291 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:50:40,291 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:50:40,292 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (1/1) ... [2025-02-06 04:50:40,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:50:40,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:50:40,323 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 04:50:40,325 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 04:50:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:50:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 04:50:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 04:50:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 04:50:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 04:50:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:50:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:50:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:50:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:50:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:50:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:50:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 04:50:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:50:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:50:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:50:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 04:50:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 04:50:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 04:50:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 04:50:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 04:50:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:50:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 04:50:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:50:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:50:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 04:50:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 04:50:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:50:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:50:40,603 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:50:40,605 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:50:40,644 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-02-06 04:50:40,666 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 04:50:40,696 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-02-06 04:50:40,743 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 04:50:40,808 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 04:50:40,814 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:50:40,837 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc #t~ret687.base, #t~ret687.offset; [2025-02-06 04:50:45,978 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3342: havoc aws_array_list_front_#t~ret180#1; [2025-02-06 04:50:46,043 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-02-06 04:50:46,044 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:50:46,056 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:50:46,057 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:50:46,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:50:46 BoogieIcfgContainer [2025-02-06 04:50:46,057 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:50:46,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:50:46,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:50:46,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:50:46,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:50:38" (1/3) ... [2025-02-06 04:50:46,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a44d278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:50:46, skipping insertion in model container [2025-02-06 04:50:46,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:50:40" (2/3) ... [2025-02-06 04:50:46,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a44d278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:50:46, skipping insertion in model container [2025-02-06 04:50:46,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:50:46" (3/3) ... [2025-02-06 04:50:46,065 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness_negated.i [2025-02-06 04:50:46,075 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:50:46,077 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_front_harness_negated.i that has 18 procedures, 186 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:50:46,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:50:46,131 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23f58aed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:50:46,132 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:50:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 112 states have internal predecessors, (133), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2025-02-06 04:50:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 04:50:46,147 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:50:46,148 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:50:46,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:50:46,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:50:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash -411417386, now seen corresponding path program 1 times [2025-02-06 04:50:46,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:50:46,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678571940] [2025-02-06 04:50:46,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:46,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:50:50,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 04:50:50,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 04:50:50,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:50,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-02-06 04:50:50,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:50:50,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678571940] [2025-02-06 04:50:50,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678571940] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:50:50,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974360801] [2025-02-06 04:50:50,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:50,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:50:50,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:50:50,834 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 04:50:50,835 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 04:50:54,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 04:50:55,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 04:50:55,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:55,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:50:55,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 4252 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 04:50:55,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:50:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-02-06 04:50:55,381 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:50:55,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974360801] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:50:55,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:50:55,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 04:50:55,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230597593] [2025-02-06 04:50:55,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:50:55,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 04:50:55,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:50:55,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 04:50:55,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 04:50:55,403 INFO L87 Difference]: Start difference. First operand has 186 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 112 states have internal predecessors, (133), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 04:50:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:50:55,441 INFO L93 Difference]: Finished difference Result 365 states and 519 transitions. [2025-02-06 04:50:55,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 04:50:55,443 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2025-02-06 04:50:55,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:50:55,448 INFO L225 Difference]: With dead ends: 365 [2025-02-06 04:50:55,448 INFO L226 Difference]: Without dead ends: 177 [2025-02-06 04:50:55,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 04:50:55,453 INFO L435 NwaCegarLoop]: 243 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, 243 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 04:50:55,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 04:50:55,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-02-06 04:50:55,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2025-02-06 04:50:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 105 states have internal predecessors, (121), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 04:50:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 231 transitions. [2025-02-06 04:50:55,504 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 231 transitions. Word has length 129 [2025-02-06 04:50:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:50:55,504 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 231 transitions. [2025-02-06 04:50:55,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 04:50:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 231 transitions. [2025-02-06 04:50:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 04:50:55,508 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:50:55,508 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:50:55,522 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 04:50:55,709 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 04:50:55,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:50:55,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:50:55,710 INFO L85 PathProgramCache]: Analyzing trace with hash -381902376, now seen corresponding path program 1 times [2025-02-06 04:50:55,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:50:55,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817035461] [2025-02-06 04:50:55,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:50:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:50:59,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 04:50:59,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 04:50:59,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:50:59,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 04:51:01,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:01,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817035461] [2025-02-06 04:51:01,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817035461] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:01,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:51:01,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 04:51:01,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418850397] [2025-02-06 04:51:01,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:01,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 04:51:01,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:01,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 04:51:01,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 04:51:01,391 INFO L87 Difference]: Start difference. First operand 177 states and 231 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2025-02-06 04:51:01,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:01,850 INFO L93 Difference]: Finished difference Result 306 states and 403 transitions. [2025-02-06 04:51:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 04:51:01,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2025-02-06 04:51:01,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:01,854 INFO L225 Difference]: With dead ends: 306 [2025-02-06 04:51:01,854 INFO L226 Difference]: Without dead ends: 195 [2025-02-06 04:51:01,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 04:51:01,855 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 6 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:01,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1351 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 04:51:01,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-02-06 04:51:01,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2025-02-06 04:51:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 113 states have (on average 1.1592920353982301) internal successors, (131), 114 states have internal predecessors, (131), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2025-02-06 04:51:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 250 transitions. [2025-02-06 04:51:01,872 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 250 transitions. Word has length 129 [2025-02-06 04:51:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:01,872 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 250 transitions. [2025-02-06 04:51:01,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2025-02-06 04:51:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 250 transitions. [2025-02-06 04:51:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 04:51:01,874 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:01,874 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:01,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 04:51:01,875 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:01,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:01,875 INFO L85 PathProgramCache]: Analyzing trace with hash 56107127, now seen corresponding path program 1 times [2025-02-06 04:51:01,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:01,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782979500] [2025-02-06 04:51:01,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:01,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:05,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 04:51:05,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 04:51:05,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:05,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 04:51:07,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:07,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782979500] [2025-02-06 04:51:07,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782979500] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:07,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:51:07,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 04:51:07,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349530353] [2025-02-06 04:51:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:07,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 04:51:07,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:07,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 04:51:07,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-06 04:51:07,861 INFO L87 Difference]: Start difference. First operand 191 states and 250 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-06 04:51:08,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:08,499 INFO L93 Difference]: Finished difference Result 321 states and 426 transitions. [2025-02-06 04:51:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 04:51:08,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2025-02-06 04:51:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:08,502 INFO L225 Difference]: With dead ends: 321 [2025-02-06 04:51:08,502 INFO L226 Difference]: Without dead ends: 216 [2025-02-06 04:51:08,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 04:51:08,503 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 14 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:08,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1624 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 04:51:08,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-06 04:51:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 197. [2025-02-06 04:51:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 117 states have internal predecessors, (134), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (62), 62 states have call predecessors, (62), 61 states have call successors, (62) [2025-02-06 04:51:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 259 transitions. [2025-02-06 04:51:08,522 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 259 transitions. Word has length 129 [2025-02-06 04:51:08,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:08,522 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 259 transitions. [2025-02-06 04:51:08,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-06 04:51:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2025-02-06 04:51:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 04:51:08,524 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:08,524 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:08,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 04:51:08,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:08,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:08,525 INFO L85 PathProgramCache]: Analyzing trace with hash 2006407382, now seen corresponding path program 1 times [2025-02-06 04:51:08,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:08,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156654964] [2025-02-06 04:51:08,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:08,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:11,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 04:51:12,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 04:51:12,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:12,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-02-06 04:51:14,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:14,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156654964] [2025-02-06 04:51:14,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156654964] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:14,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 04:51:14,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 04:51:14,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60475651] [2025-02-06 04:51:14,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:14,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 04:51:14,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:14,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 04:51:14,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 04:51:14,099 INFO L87 Difference]: Start difference. First operand 197 states and 259 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2025-02-06 04:51:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:14,553 INFO L93 Difference]: Finished difference Result 207 states and 278 transitions. [2025-02-06 04:51:14,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 04:51:14,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 129 [2025-02-06 04:51:14,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:14,556 INFO L225 Difference]: With dead ends: 207 [2025-02-06 04:51:14,556 INFO L226 Difference]: Without dead ends: 205 [2025-02-06 04:51:14,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 04:51:14,557 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 3 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:14,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1124 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 04:51:14,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-02-06 04:51:14,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 204. [2025-02-06 04:51:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 120 states have (on average 1.15) internal successors, (138), 122 states have internal predecessors, (138), 64 states have call successors, (64), 18 states have call predecessors, (64), 19 states have return successors, (73), 63 states have call predecessors, (73), 62 states have call successors, (73) [2025-02-06 04:51:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 275 transitions. [2025-02-06 04:51:14,570 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 275 transitions. Word has length 129 [2025-02-06 04:51:14,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:14,571 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 275 transitions. [2025-02-06 04:51:14,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2025-02-06 04:51:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 275 transitions. [2025-02-06 04:51:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-06 04:51:14,573 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:14,573 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:14,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 04:51:14,573 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:14,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:14,574 INFO L85 PathProgramCache]: Analyzing trace with hash -783219405, now seen corresponding path program 1 times [2025-02-06 04:51:14,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:14,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821032636] [2025-02-06 04:51:14,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:14,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:18,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-06 04:51:18,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-06 04:51:18,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:18,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-02-06 04:51:20,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:20,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821032636] [2025-02-06 04:51:20,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821032636] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:51:20,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382779222] [2025-02-06 04:51:20,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:20,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:51:20,512 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 04:51:20,514 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 04:51:24,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-06 04:51:25,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-06 04:51:25,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:25,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:25,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 4379 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 04:51:25,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:51:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2025-02-06 04:51:27,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:51:27,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382779222] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:27,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:51:27,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2025-02-06 04:51:27,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566090045] [2025-02-06 04:51:27,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:27,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 04:51:27,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:27,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 04:51:27,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2025-02-06 04:51:27,367 INFO L87 Difference]: Start difference. First operand 204 states and 275 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 6 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-06 04:51:31,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:31,966 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2025-02-06 04:51:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 04:51:31,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 6 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) Word has length 144 [2025-02-06 04:51:31,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:31,969 INFO L225 Difference]: With dead ends: 378 [2025-02-06 04:51:31,969 INFO L226 Difference]: Without dead ends: 182 [2025-02-06 04:51:31,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2025-02-06 04:51:31,970 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 251 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:31,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1108 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2025-02-06 04:51:31,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-02-06 04:51:31,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2025-02-06 04:51:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 105 states have (on average 1.1238095238095238) internal successors, (118), 106 states have internal predecessors, (118), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2025-02-06 04:51:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 237 transitions. [2025-02-06 04:51:31,983 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 237 transitions. Word has length 144 [2025-02-06 04:51:31,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:31,983 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 237 transitions. [2025-02-06 04:51:31,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 6 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-06 04:51:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 237 transitions. [2025-02-06 04:51:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-06 04:51:31,988 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:31,988 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:32,006 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 04:51:32,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:32,189 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:32,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash -410359903, now seen corresponding path program 1 times [2025-02-06 04:51:32,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:32,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820840917] [2025-02-06 04:51:32,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:32,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:35,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-06 04:51:35,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-06 04:51:35,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:35,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2025-02-06 04:51:37,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:37,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820840917] [2025-02-06 04:51:37,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820840917] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:51:37,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095988682] [2025-02-06 04:51:37,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:37,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:51:37,359 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 04:51:37,360 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 04:51:41,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-06 04:51:41,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-06 04:51:41,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:41,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:41,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 4291 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 04:51:41,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:51:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-06 04:51:42,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:51:42,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095988682] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:42,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:51:42,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2025-02-06 04:51:42,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557965602] [2025-02-06 04:51:42,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:42,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 04:51:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:42,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 04:51:42,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-06 04:51:42,239 INFO L87 Difference]: Start difference. First operand 182 states and 237 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-06 04:51:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:43,100 INFO L93 Difference]: Finished difference Result 278 states and 361 transitions. [2025-02-06 04:51:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 04:51:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 143 [2025-02-06 04:51:43,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:43,102 INFO L225 Difference]: With dead ends: 278 [2025-02-06 04:51:43,102 INFO L226 Difference]: Without dead ends: 162 [2025-02-06 04:51:43,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-06 04:51:43,103 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:43,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 722 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 04:51:43,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-02-06 04:51:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-02-06 04:51:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 93 states have (on average 1.10752688172043) internal successors, (103), 94 states have internal predecessors, (103), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 04:51:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 207 transitions. [2025-02-06 04:51:43,114 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 207 transitions. Word has length 143 [2025-02-06 04:51:43,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:43,115 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 207 transitions. [2025-02-06 04:51:43,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-06 04:51:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 207 transitions. [2025-02-06 04:51:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-02-06 04:51:43,117 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:51:43,117 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:43,135 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 04:51:43,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:43,317 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:51:43,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:51:43,318 INFO L85 PathProgramCache]: Analyzing trace with hash 265530824, now seen corresponding path program 1 times [2025-02-06 04:51:43,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:51:43,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676284634] [2025-02-06 04:51:43,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:51:46,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-02-06 04:51:46,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 04:51:46,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:46,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 38 proven. 4 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2025-02-06 04:51:48,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:51:48,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676284634] [2025-02-06 04:51:48,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676284634] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:51:48,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458309769] [2025-02-06 04:51:48,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:51:48,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:51:48,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:51:48,420 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 04:51:48,421 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 04:51:52,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-02-06 04:51:53,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 04:51:53,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:51:53,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:51:53,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 4332 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-06 04:51:53,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 04:51:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-02-06 04:51:55,298 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 04:51:55,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458309769] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 04:51:55,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 04:51:55,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 16 [2025-02-06 04:51:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169915250] [2025-02-06 04:51:55,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 04:51:55,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 04:51:55,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 04:51:55,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 04:51:55,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2025-02-06 04:51:55,300 INFO L87 Difference]: Start difference. First operand 162 states and 207 transitions. Second operand has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 10 states have internal predecessors, (66), 4 states have call successors, (27), 2 states have call predecessors, (27), 7 states have return successors, (26), 6 states have call predecessors, (26), 4 states have call successors, (26) [2025-02-06 04:51:56,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 04:51:56,620 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2025-02-06 04:51:56,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 04:51:56,621 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 10 states have internal predecessors, (66), 4 states have call successors, (27), 2 states have call predecessors, (27), 7 states have return successors, (26), 6 states have call predecessors, (26), 4 states have call successors, (26) Word has length 154 [2025-02-06 04:51:56,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 04:51:56,622 INFO L225 Difference]: With dead ends: 170 [2025-02-06 04:51:56,622 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 04:51:56,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2025-02-06 04:51:56,623 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 3 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 04:51:56,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 936 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 04:51:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 04:51:56,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 04:51:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 04:51:56,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 04:51:56,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2025-02-06 04:51:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 04:51:56,623 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 04:51:56,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.076923076923077) internal successors, (66), 10 states have internal predecessors, (66), 4 states have call successors, (27), 2 states have call predecessors, (27), 7 states have return successors, (26), 6 states have call predecessors, (26), 4 states have call successors, (26) [2025-02-06 04:51:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 04:51:56,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 04:51:56,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 04:51:56,644 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 04:51:56,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-02-06 04:51:56,829 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:51:56,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 04:52:02,324 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 04:52:02,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 04:52:02 BoogieIcfgContainer [2025-02-06 04:52:02,333 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 04:52:02,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 04:52:02,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 04:52:02,334 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 04:52:02,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:50:46" (3/4) ... [2025-02-06 04:52:02,336 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 04:52:02,341 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2025-02-06 04:52:02,341 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2025-02-06 04:52:02,342 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-06 04:52:02,355 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2025-02-06 04:52:02,358 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2025-02-06 04:52:02,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2025-02-06 04:52:02,360 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-06 04:52:02,361 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-06 04:52:02,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 04:52:02,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 04:52:02,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 04:52:02,793 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 04:52:02,794 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 04:52:02,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 04:52:02,796 INFO L158 Benchmark]: Toolchain (without parser) took 84179.30ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 98.8MB in the beginning and 112.2MB in the end (delta: -13.3MB). Peak memory consumption was 211.4MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,796 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 04:52:02,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.34ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 72.6MB in the end (delta: 25.9MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.49ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 63.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,796 INFO L158 Benchmark]: Boogie Preprocessor took 127.93ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 48.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,797 INFO L158 Benchmark]: IcfgBuilder took 5766.20ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 48.2MB in the beginning and 117.0MB in the end (delta: -68.8MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,797 INFO L158 Benchmark]: TraceAbstraction took 76273.70ms. Allocated memory was 327.2MB in the beginning and 369.1MB in the end (delta: 41.9MB). Free memory was 117.0MB in the beginning and 242.2MB in the end (delta: -125.2MB). Peak memory consumption was 193.0MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,797 INFO L158 Benchmark]: Witness Printer took 460.36ms. Allocated memory is still 369.1MB. Free memory was 242.2MB in the beginning and 112.2MB in the end (delta: 130.0MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2025-02-06 04:52:02,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.34ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 72.6MB in the end (delta: 25.9MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.49ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 63.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.93ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 48.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * IcfgBuilder took 5766.20ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 48.2MB in the beginning and 117.0MB in the end (delta: -68.8MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. * TraceAbstraction took 76273.70ms. Allocated memory was 327.2MB in the beginning and 369.1MB in the end (delta: 41.9MB). Free memory was 117.0MB in the beginning and 242.2MB in the end (delta: -125.2MB). Peak memory consumption was 193.0MB. Max. memory is 16.1GB. * Witness Printer took 460.36ms. Allocated memory is still 369.1MB. Free memory was 242.2MB in the beginning and 112.2MB in the end (delta: 130.0MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7735]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.7s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 7108 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5743 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 737 IncrementalHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 1365 mSDtfsCounter, 737 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 623 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=4, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 1527 NumberOfCodeBlocks, 1527 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1516 ConstructedInterpolants, 0 QuantifiedInterpolants, 2025 SizeOfPredicates, 4 NumberOfNonLiveVariables, 17254 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 2550/2588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7349]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-06 04:52:02,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE