./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_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 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:53:56,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:53:56,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:53:56,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:53:56,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:53:56,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:53:56,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:53:56,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:53:56,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:53:56,347 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:53:56,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:53:56,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:53:56,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:53:56,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:53:56,349 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:53:56,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:53:56,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:53:56,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:53:56,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:53:56,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:53:56,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:53:56,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:53:56,351 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 -> 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc [2025-01-09 16:53:56,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:53:56,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:53:56,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:53:56,629 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:53:56,629 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:53:56,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2025-01-09 16:53:57,938 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b65f2ca4/85a4b76d6b26409eb96b0f59af8a1fd7/FLAGb72a3b94b [2025-01-09 16:53:58,531 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:53:58,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2025-01-09 16:53:58,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b65f2ca4/85a4b76d6b26409eb96b0f59af8a1fd7/FLAGb72a3b94b [2025-01-09 16:53:58,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5b65f2ca4/85a4b76d6b26409eb96b0f59af8a1fd7 [2025-01-09 16:53:58,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:53:58,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:53:58,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:53:58,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:53:59,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:53:59,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:53:58" (1/1) ... [2025-01-09 16:53:59,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cbabb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:53:59, skipping insertion in model container [2025-01-09 16:53:59,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:53:58" (1/1) ... [2025-01-09 16:53:59,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:53:59,279 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_capacity_harness_negated.i[4497,4510] [2025-01-09 16:53:59,286 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_capacity_harness_negated.i[4557,4570] [2025-01-09 16:53:59,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:53:59,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:54:00,253 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:54:00,270 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_capacity_harness_negated.i[4497,4510] [2025-01-09 16:54:00,270 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_capacity_harness_negated.i[4557,4570] [2025-01-09 16:54:00,339 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,341 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:54:00,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2025-01-09 16:54:00,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:54:00,718 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:54:00,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00 WrapperNode [2025-01-09 16:54:00,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:54:00,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:54:00,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:54:00,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:54:00,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:00,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:00,874 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2025-01-09 16:54:00,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:54:00,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:54:00,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:54:00,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:54:00,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:00,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:00,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:00,974 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 238, 50, 3, 6, 7]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 10, 1, 0, 5]. The 238 writes are split as follows [0, 232, 3, 1, 2, 0]. [2025-01-09 16:54:00,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:00,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:54:01,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:54:01,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:54:01,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:54:01,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (1/1) ... [2025-01-09 16:54:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:54:01,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:54:01,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 16:54:01,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 16:54:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 16:54:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:54:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:54:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:54:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:54:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:54:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:54:01,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:54:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:54:01,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:54:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:54:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:54:01,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:54:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:54:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 16:54:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 16:54:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:54:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:54:01,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:54:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:54:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:54:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:54:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:54:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 16:54:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 16:54:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:54:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:54:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:54:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:54:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:54:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:54:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:54:01,428 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:54:01,430 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:54:07,185 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2025-01-09 16:54:07,185 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:54:07,199 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:54:07,200 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 16:54:07,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:54:07 BoogieIcfgContainer [2025-01-09 16:54:07,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:54:07,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:54:07,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:54:07,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:54:07,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:53:58" (1/3) ... [2025-01-09 16:54:07,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e81d8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:54:07, skipping insertion in model container [2025-01-09 16:54:07,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:54:00" (2/3) ... [2025-01-09 16:54:07,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e81d8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:54:07, skipping insertion in model container [2025-01-09 16:54:07,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:54:07" (3/3) ... [2025-01-09 16:54:07,211 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness_negated.i [2025-01-09 16:54:07,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:54:07,225 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_capacity_harness_negated.i that has 13 procedures, 122 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 16:54:07,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:54:07,296 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;@6b97335e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:54:07,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:54:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-09 16:54:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 16:54:07,312 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:54:07,313 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:54:07,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:54:07,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:54:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash 910857471, now seen corresponding path program 1 times [2025-01-09 16:54:07,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:54:07,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587631933] [2025-01-09 16:54:07,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:07,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:54:12,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 16:54:13,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 16:54:13,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:13,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:54:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-09 16:54:13,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:54:13,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587631933] [2025-01-09 16:54:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587631933] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:54:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976120307] [2025-01-09 16:54:13,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:13,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:54:13,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:54:13,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 16:54:13,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 16:54:19,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 16:54:19,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 16:54:19,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:19,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:54:20,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 16:54:20,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:54:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-09 16:54:20,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:54:20,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976120307] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:54:20,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:54:20,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 16:54:20,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115317119] [2025-01-09 16:54:20,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:54:20,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 16:54:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:54:20,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 16:54:20,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:54:20,065 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 16:54:20,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:54:20,103 INFO L93 Difference]: Finished difference Result 237 states and 320 transitions. [2025-01-09 16:54:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 16:54:20,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2025-01-09 16:54:20,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:54:20,113 INFO L225 Difference]: With dead ends: 237 [2025-01-09 16:54:20,113 INFO L226 Difference]: Without dead ends: 117 [2025-01-09 16:54:20,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:54:20,119 INFO L435 NwaCegarLoop]: 152 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, 152 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 [2025-01-09 16:54:20,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:54:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-09 16:54:20,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-01-09 16:54:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-09 16:54:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2025-01-09 16:54:20,159 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2025-01-09 16:54:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:54:20,159 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2025-01-09 16:54:20,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-01-09 16:54:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2025-01-09 16:54:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 16:54:20,162 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:54:20,162 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:54:20,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 16:54:20,363 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 [2025-01-09 16:54:20,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:54:20,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:54:20,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1255854409, now seen corresponding path program 1 times [2025-01-09 16:54:20,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:54:20,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80703636] [2025-01-09 16:54:20,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:20,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:54:24,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 16:54:24,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 16:54:24,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:24,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:54:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 16:54:26,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:54:26,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80703636] [2025-01-09 16:54:26,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80703636] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:54:26,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311552976] [2025-01-09 16:54:26,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:54:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:54:26,167 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) [2025-01-09 16:54:26,203 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 [2025-01-09 16:54:30,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 16:54:31,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 16:54:31,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:31,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:54:31,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 16:54:31,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:54:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 16:54:31,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:54:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311552976] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:54:31,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:54:31,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 16:54:31,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883253584] [2025-01-09 16:54:31,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:54:31,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:54:31,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:54:31,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:54:31,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 16:54:31,815 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 16:54:33,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:54:33,417 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2025-01-09 16:54:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 16:54:33,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2025-01-09 16:54:33,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:54:33,420 INFO L225 Difference]: With dead ends: 199 [2025-01-09 16:54:33,420 INFO L226 Difference]: Without dead ends: 119 [2025-01-09 16:54:33,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 16:54:33,422 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-09 16:54:33,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-09 16:54:33,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-01-09 16:54:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-01-09 16:54:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2025-01-09 16:54:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2025-01-09 16:54:33,435 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2025-01-09 16:54:33,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:54:33,436 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2025-01-09 16:54:33,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-09 16:54:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2025-01-09 16:54:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-09 16:54:33,437 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:54:33,437 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2025-01-09 16:54:33,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 16:54:33,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:54:33,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:54:33,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:54:33,639 INFO L85 PathProgramCache]: Analyzing trace with hash 621387583, now seen corresponding path program 1 times [2025-01-09 16:54:33,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:54:33,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257828997] [2025-01-09 16:54:33,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:33,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:54:37,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-09 16:54:37,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-09 16:54:37,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:37,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:54:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 16:54:38,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:54:38,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257828997] [2025-01-09 16:54:38,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257828997] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:54:38,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609960508] [2025-01-09 16:54:38,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:54:38,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:54:38,987 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) [2025-01-09 16:54:38,990 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 [2025-01-09 16:54:43,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-09 16:54:43,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-09 16:54:43,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:43,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:54:43,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 4195 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 16:54:43,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:54:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-09 16:54:44,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:54:44,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609960508] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:54:44,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:54:44,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-01-09 16:54:44,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808950813] [2025-01-09 16:54:44,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:54:44,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 16:54:44,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:54:44,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 16:54:44,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 16:54:44,795 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-09 16:54:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:54:46,988 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2025-01-09 16:54:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 16:54:46,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2025-01-09 16:54:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:54:46,990 INFO L225 Difference]: With dead ends: 189 [2025-01-09 16:54:46,991 INFO L226 Difference]: Without dead ends: 117 [2025-01-09 16:54:46,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-01-09 16:54:46,992 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-09 16:54:46,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 519 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-09 16:54:46,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-09 16:54:47,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-01-09 16:54:47,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-09 16:54:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2025-01-09 16:54:47,005 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2025-01-09 16:54:47,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:54:47,005 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2025-01-09 16:54:47,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-09 16:54:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2025-01-09 16:54:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-09 16:54:47,007 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:54:47,007 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:54:47,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 16:54:47,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:54:47,208 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:54:47,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:54:47,209 INFO L85 PathProgramCache]: Analyzing trace with hash -994577873, now seen corresponding path program 1 times [2025-01-09 16:54:47,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:54:47,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369464030] [2025-01-09 16:54:47,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:47,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:54:51,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-09 16:54:57,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-09 16:54:57,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:54:57,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 16:54:57,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013972099] [2025-01-09 16:54:57,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:54:57,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:54:57,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:54:57,231 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) [2025-01-09 16:54:57,233 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 [2025-01-09 16:55:01,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes.