./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_length_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_length_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 c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:56:26,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:56:26,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:56:26,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:56:26,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:56:26,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:56:26,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:56:26,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:56:26,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:56:26,650 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:56:26,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:56:26,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:56:26,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:56:26,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:56:26,651 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:56:26,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:56:26,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:56:26,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:56:26,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:56:26,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:56:26,653 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 -> c30c0965987318f01d5184a150d60c3184a0b961eb98f92329641a56cc773300 [2025-01-09 16:56:26,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:56:26,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:56:26,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:56:26,882 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:56:26,882 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:56:26,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i [2025-01-09 16:56:28,023 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ac3f1ba6/6f334017ef6b42d0a054fb40bde05d98/FLAGab2d414dd [2025-01-09 16:56:28,499 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:56:28,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness_negated.i [2025-01-09 16:56:28,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ac3f1ba6/6f334017ef6b42d0a054fb40bde05d98/FLAGab2d414dd [2025-01-09 16:56:28,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ac3f1ba6/6f334017ef6b42d0a054fb40bde05d98 [2025-01-09 16:56:28,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:56:28,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:56:28,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:56:28,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:56:28,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:56:28,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:56:28" (1/1) ... [2025-01-09 16:56:28,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebf33d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:28, skipping insertion in model container [2025-01-09 16:56:28,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:56:28" (1/1) ... [2025-01-09 16:56:28,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:56:28,861 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_length_harness_negated.i[4495,4508] [2025-01-09 16:56:28,868 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_length_harness_negated.i[4555,4568] [2025-01-09 16:56:29,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:56:29,602 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:56:29,610 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_length_harness_negated.i[4495,4508] [2025-01-09 16:56:29,610 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_length_harness_negated.i[4555,4568] [2025-01-09 16:56:29,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:56:29,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2025-01-09 16:56:29,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:56:29,945 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:56:29,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29 WrapperNode [2025-01-09 16:56:29,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:56:29,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:56:29,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:56:29,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:56:29,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:29,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,034 INFO L138 Inliner]: procedures = 679, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 592 [2025-01-09 16:56:30,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:56:30,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:56:30,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:56:30,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:56:30,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,104 INFO L175 MemorySlicer]: Split 303 memory accesses to 6 slices as follows [2, 238, 3, 6, 47, 7]. 79 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 0, 10, 5]. The 238 writes are split as follows [0, 232, 1, 2, 3, 0]. [2025-01-09 16:56:30,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:56:30,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:56:30,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:56:30,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:56:30,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (1/1) ... [2025-01-09 16:56:30,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:56:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:56:30,174 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 16:56:30,176 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 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 16:56:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 16:56:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:56:30,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:56:30,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:56:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:56:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:56:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:56:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 16:56:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 16:56:30,194 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:56:30,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:56:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:56:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:56:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:56:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:56:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 16:56:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 16:56:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:56:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:56:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:56:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:56:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 16:56:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:56:30,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:56:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:56:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:56:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:56:30,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:56:30,432 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:56:30,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:56:36,055 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2025-01-09 16:56:36,055 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:56:36,067 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:56:36,067 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 16:56:36,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:56:36 BoogieIcfgContainer [2025-01-09 16:56:36,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:56:36,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:56:36,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:56:36,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:56:36,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:56:28" (1/3) ... [2025-01-09 16:56:36,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e48f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:56:36, skipping insertion in model container [2025-01-09 16:56:36,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:56:29" (2/3) ... [2025-01-09 16:56:36,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e48f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:56:36, skipping insertion in model container [2025-01-09 16:56:36,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:56:36" (3/3) ... [2025-01-09 16:56:36,075 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness_negated.i [2025-01-09 16:56:36,086 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:56:36,087 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_length_harness_negated.i that has 14 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 16:56:36,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:56:36,142 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;@3f238f2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:56:36,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:56:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-09 16:56:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 16:56:36,154 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:56:36,155 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 16:56:36,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:56:36,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:56:36,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1876716262, now seen corresponding path program 1 times [2025-01-09 16:56:36,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:56:36,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522474461] [2025-01-09 16:56:36,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:36,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:56:40,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 16:56:40,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 16:56:40,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:40,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-09 16:56:41,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:56:41,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522474461] [2025-01-09 16:56:41,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522474461] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:56:41,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600723133] [2025-01-09 16:56:41,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:41,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:56:41,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:56:41,091 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 16:56:41,092 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 16:56:45,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 16:56:45,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 16:56:45,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:45,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:45,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 16:56:45,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:56:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-09 16:56:45,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:56:45,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600723133] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:56:45,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:56:45,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 16:56:45,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706655593] [2025-01-09 16:56:45,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:56:45,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 16:56:45,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:56:45,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 16:56:45,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:56:45,579 INFO L87 Difference]: Start difference. First operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 16:56:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:56:45,598 INFO L93 Difference]: Finished difference Result 239 states and 319 transitions. [2025-01-09 16:56:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 16:56:45,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2025-01-09 16:56:45,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:56:45,605 INFO L225 Difference]: With dead ends: 239 [2025-01-09 16:56:45,605 INFO L226 Difference]: Without dead ends: 114 [2025-01-09 16:56:45,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 16:56:45,609 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 16:56:45,610 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 16:56:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-01-09 16:56:45,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-01-09 16:56:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 72 states have internal predecessors, (82), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 16:56:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2025-01-09 16:56:45,636 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 71 [2025-01-09 16:56:45,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:56:45,637 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2025-01-09 16:56:45,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 16:56:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2025-01-09 16:56:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 16:56:45,639 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:56:45,639 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 16:56:45,652 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 16:56:45,840 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 16:56:45,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:56:45,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:56:45,841 INFO L85 PathProgramCache]: Analyzing trace with hash 879930080, now seen corresponding path program 1 times [2025-01-09 16:56:45,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:56:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640001073] [2025-01-09 16:56:45,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:45,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:56:49,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 16:56:49,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 16:56:49,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:49,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 16:56:50,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:56:50,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640001073] [2025-01-09 16:56:50,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640001073] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:56:50,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291028939] [2025-01-09 16:56:50,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:50,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:56:50,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:56:50,565 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 16:56:50,567 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 16:56:54,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 16:56:55,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 16:56:55,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:55,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:55,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 16:56:55,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:56:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 16:56:55,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:56:55,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291028939] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:56:55,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:56:55,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 16:56:55,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35116818] [2025-01-09 16:56:55,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:56:55,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:56:55,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:56:55,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:56:55,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 16:56:55,965 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 16:56:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:56:57,178 INFO L93 Difference]: Finished difference Result 193 states and 240 transitions. [2025-01-09 16:56:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 16:56:57,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 71 [2025-01-09 16:56:57,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:56:57,181 INFO L225 Difference]: With dead ends: 193 [2025-01-09 16:56:57,181 INFO L226 Difference]: Without dead ends: 116 [2025-01-09 16:56:57,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 16:56:57,182 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 149 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-09 16:56:57,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 419 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-09 16:56:57,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-01-09 16:56:57,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2025-01-09 16:56:57,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 74 states have internal predecessors, (83), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2025-01-09 16:56:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2025-01-09 16:56:57,194 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 71 [2025-01-09 16:56:57,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:56:57,194 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2025-01-09 16:56:57,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-09 16:56:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2025-01-09 16:56:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-09 16:56:57,196 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:56:57,196 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 16:56:57,210 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 16:56:57,397 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 16:56:57,397 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:56:57,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:56:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1619368212, now seen corresponding path program 1 times [2025-01-09 16:56:57,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:56:57,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593587025] [2025-01-09 16:56:57,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:57,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:57:00,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-09 16:57:00,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-09 16:57:00,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:57:00,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:57:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-09 16:57:03,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:57:03,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593587025] [2025-01-09 16:57:03,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593587025] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:57:03,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828135954] [2025-01-09 16:57:03,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:57:03,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:57:03,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:57:03,555 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 16:57:03,556 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 16:57:07,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-09 16:57:07,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-09 16:57:07,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:57:07,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:57:07,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 4203 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 16:57:07,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:57:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 16:57:09,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:57:09,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828135954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:57:09,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:57:09,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2025-01-09 16:57:09,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411439916] [2025-01-09 16:57:09,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:57:09,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 16:57:09,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:57:09,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 16:57:09,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2025-01-09 16:57:09,328 INFO L87 Difference]: Start difference. First operand 116 states and 143 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-09 16:57:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:57:11,747 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2025-01-09 16:57:11,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 16:57:11,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 86 [2025-01-09 16:57:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:57:11,749 INFO L225 Difference]: With dead ends: 182 [2025-01-09 16:57:11,749 INFO L226 Difference]: Without dead ends: 114 [2025-01-09 16:57:11,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2025-01-09 16:57:11,751 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 151 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-01-09 16:57:11,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 598 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-01-09 16:57:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-01-09 16:57:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-01-09 16:57:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 72 states have internal predecessors, (81), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 16:57:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2025-01-09 16:57:11,758 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 86 [2025-01-09 16:57:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:57:11,758 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2025-01-09 16:57:11,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-01-09 16:57:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2025-01-09 16:57:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 16:57:11,760 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:57:11,760 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 16:57:11,776 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 16:57:11,962 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 16:57:11,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:57:11,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:57:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash 626282708, now seen corresponding path program 1 times [2025-01-09 16:57:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:57:11,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402983173] [2025-01-09 16:57:11,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:57:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:57:15,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 16:57:17,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 16:57:17,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:57:17,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 16:57:17,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795148630] [2025-01-09 16:57:17,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:57:17,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:57:17,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:57:17,203 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 16:57:17,204 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 16:57:21,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes.