./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.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_front_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:55:27,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:55:27,237 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:55:27,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:55:27,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:55:27,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:55:27,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:55:27,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:55:27,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:55:27,281 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:55:27,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:55:27,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:55:27,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:55:27,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:55:27,283 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:55:27,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:55:27,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:55:27,284 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:55:27,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:55:27,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:55:27,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:55:27,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:55:27,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:55:27,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:55:27,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:55:27,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:55:27,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:55:27,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:55:27,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:55:27,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:55:27,287 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 -> db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de [2025-01-09 16:55:27,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:55:27,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:55:27,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:55:27,618 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:55:27,618 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:55:27,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2025-01-09 16:55:28,979 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3019e5b37/0be69c49772e4860bc1355d698ee3569/FLAG06e2b011f [2025-01-09 16:55:29,553 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:55:29,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2025-01-09 16:55:29,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3019e5b37/0be69c49772e4860bc1355d698ee3569/FLAG06e2b011f [2025-01-09 16:55:29,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3019e5b37/0be69c49772e4860bc1355d698ee3569 [2025-01-09 16:55:29,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:55:29,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:55:29,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:55:29,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:55:29,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:55:29,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:55:29" (1/1) ... [2025-01-09 16:55:29,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bb8daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:29, skipping insertion in model container [2025-01-09 16:55:29,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:55:29" (1/1) ... [2025-01-09 16:55:29,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:55:30,046 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2025-01-09 16:55:30,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2025-01-09 16:55:31,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:55:31,895 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:55:31,910 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2025-01-09 16:55:31,914 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2025-01-09 16:55:31,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:31,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:55:32,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2025-01-09 16:55:32,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:55:32,343 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:55:32,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32 WrapperNode [2025-01-09 16:55:32,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:55:32,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:55:32,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:55:32,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:55:32,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,483 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2025-01-09 16:55:32,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:55:32,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:55:32,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:55:32,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:55:32,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,593 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [238, 2, 3, 9, 6, 56]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 5, 0, 10]. The 239 writes are split as follows [232, 0, 1, 1, 2, 3]. [2025-01-09 16:55:32,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:55:32,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:55:32,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:55:32,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:55:32,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (1/1) ... [2025-01-09 16:55:32,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:55:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:55:32,746 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 16:55:32,750 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 16:55:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:55:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 16:55:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 16:55:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 16:55:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 16:55:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:55:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:55:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:55:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:55:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:55:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:55:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:55:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:55:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:55:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:55:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 16:55:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 16:55:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:55:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:55:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:55:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 16:55:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:55:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:55:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 16:55:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:55:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:55:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:55:33,134 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:55:33,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:55:39,904 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-01-09 16:55:39,904 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:55:39,915 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:55:39,915 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 16:55:39,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:55:39 BoogieIcfgContainer [2025-01-09 16:55:39,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:55:39,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:55:39,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:55:39,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:55:39,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:55:29" (1/3) ... [2025-01-09 16:55:39,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400d2b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:55:39, skipping insertion in model container [2025-01-09 16:55:39,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:55:32" (2/3) ... [2025-01-09 16:55:39,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400d2b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:55:39, skipping insertion in model container [2025-01-09 16:55:39,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:55:39" (3/3) ... [2025-01-09 16:55:39,925 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2025-01-09 16:55:39,938 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:55:39,939 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_front_harness.i that has 18 procedures, 186 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:55:40,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:55:40,018 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;@d3c1ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:55:40,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:55:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 112 states have internal predecessors, (133), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2025-01-09 16:55:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 16:55:40,039 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:55:40,041 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:55:40,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:55:40,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:55:40,048 INFO L85 PathProgramCache]: Analyzing trace with hash 692509639, now seen corresponding path program 1 times [2025-01-09 16:55:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:55:40,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797268525] [2025-01-09 16:55:40,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:55:40,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:55:45,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 16:55:45,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 16:55:45,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:55:45,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:55:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-01-09 16:55:46,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:55:46,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797268525] [2025-01-09 16:55:46,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797268525] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:55:46,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746038990] [2025-01-09 16:55:46,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:55:46,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:55:46,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:55:46,123 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 16:55:46,125 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 16:55:51,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 16:55:51,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 16:55:51,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:55:51,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:55:51,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 4247 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 16:55:51,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:55:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-01-09 16:55:51,676 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:55:51,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746038990] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:55:51,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:55:51,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 16:55:51,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811378920] [2025-01-09 16:55:51,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:55:51,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 16:55:51,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:55:51,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 16:55:51,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:55:51,703 INFO L87 Difference]: Start difference. First operand has 186 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 112 states have internal predecessors, (133), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 16:55:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:55:51,744 INFO L93 Difference]: Finished difference Result 365 states and 519 transitions. [2025-01-09 16:55:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 16:55:51,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2025-01-09 16:55:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:55:51,752 INFO L225 Difference]: With dead ends: 365 [2025-01-09 16:55:51,752 INFO L226 Difference]: Without dead ends: 177 [2025-01-09 16:55:51,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:55:51,758 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:55:51,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:55:51,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-01-09 16:55:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2025-01-09 16:55:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 105 states have internal predecessors, (121), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 16:55:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 231 transitions. [2025-01-09 16:55:51,805 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 231 transitions. Word has length 129 [2025-01-09 16:55:51,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:55:51,806 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 231 transitions. [2025-01-09 16:55:51,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-01-09 16:55:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 231 transitions. [2025-01-09 16:55:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 16:55:51,811 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:55:51,811 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:55:51,826 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 16:55:52,012 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 16:55:52,012 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:55:52,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:55:52,013 INFO L85 PathProgramCache]: Analyzing trace with hash 751539659, now seen corresponding path program 1 times [2025-01-09 16:55:52,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:55:52,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982784454] [2025-01-09 16:55:52,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:55:52,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:55:56,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 16:55:56,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 16:55:56,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:55:56,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:55:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-09 16:55:58,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:55:58,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982784454] [2025-01-09 16:55:58,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982784454] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:55:58,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:55:58,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 16:55:58,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901335554] [2025-01-09 16:55:58,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:55:58,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 16:55:58,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:55:58,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 16:55:58,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 16:55:58,931 INFO L87 Difference]: Start difference. First operand 177 states and 231 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 16:55:59,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:55:59,425 INFO L93 Difference]: Finished difference Result 306 states and 403 transitions. [2025-01-09 16:55:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 16:55:59,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2025-01-09 16:55:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:55:59,429 INFO L225 Difference]: With dead ends: 306 [2025-01-09 16:55:59,429 INFO L226 Difference]: Without dead ends: 195 [2025-01-09 16:55:59,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:55:59,431 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 6 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 16:55:59,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1351 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 16:55:59,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-01-09 16:55:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2025-01-09 16:55:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 113 states have (on average 1.1592920353982301) internal successors, (131), 114 states have internal predecessors, (131), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2025-01-09 16:55:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 250 transitions. [2025-01-09 16:55:59,464 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 250 transitions. Word has length 129 [2025-01-09 16:55:59,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:55:59,466 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 250 transitions. [2025-01-09 16:55:59,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 16:55:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 250 transitions. [2025-01-09 16:55:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 16:55:59,471 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:55:59,471 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:55:59,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 16:55:59,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:55:59,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:55:59,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1627558665, now seen corresponding path program 1 times [2025-01-09 16:55:59,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:55:59,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977944357] [2025-01-09 16:55:59,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:55:59,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:56:03,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 16:56:03,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 16:56:03,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:03,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-09 16:56:06,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:56:06,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977944357] [2025-01-09 16:56:06,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977944357] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:56:06,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:56:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 16:56:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978805569] [2025-01-09 16:56:06,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:56:06,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 16:56:06,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:56:06,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 16:56:06,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:56:06,651 INFO L87 Difference]: Start difference. First operand 191 states and 250 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-01-09 16:56:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:56:07,328 INFO L93 Difference]: Finished difference Result 321 states and 426 transitions. [2025-01-09 16:56:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 16:56:07,329 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2025-01-09 16:56:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:56:07,333 INFO L225 Difference]: With dead ends: 321 [2025-01-09 16:56:07,333 INFO L226 Difference]: Without dead ends: 216 [2025-01-09 16:56:07,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-09 16:56:07,336 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 14 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 16:56:07,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1624 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 16:56:07,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-01-09 16:56:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 197. [2025-01-09 16:56:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 117 states have internal predecessors, (134), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (62), 62 states have call predecessors, (62), 61 states have call successors, (62) [2025-01-09 16:56:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 259 transitions. [2025-01-09 16:56:07,366 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 259 transitions. Word has length 129 [2025-01-09 16:56:07,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:56:07,367 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 259 transitions. [2025-01-09 16:56:07,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-01-09 16:56:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2025-01-09 16:56:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 16:56:07,369 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:56:07,369 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:56:07,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 16:56:07,370 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:56:07,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:56:07,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1233191879, now seen corresponding path program 1 times [2025-01-09 16:56:07,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:56:07,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951266238] [2025-01-09 16:56:07,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:07,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:56:11,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 16:56:11,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 16:56:11,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:11,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-01-09 16:56:13,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:56:13,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951266238] [2025-01-09 16:56:13,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951266238] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:56:13,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522134007] [2025-01-09 16:56:13,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:56:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:56:13,714 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 16:56:13,715 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 16:56:18,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 16:56:18,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 16:56:18,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:18,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:18,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 4241 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-09 16:56:18,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:56:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-01-09 16:56:19,068 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:56:19,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522134007] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:56:19,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:56:19,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2025-01-09 16:56:19,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953366024] [2025-01-09 16:56:19,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:56:19,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:56:19,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:56:19,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:56:19,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:56:19,070 INFO L87 Difference]: Start difference. First operand 197 states and 259 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 16:56:20,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:56:20,161 INFO L93 Difference]: Finished difference Result 367 states and 491 transitions. [2025-01-09 16:56:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 16:56:20,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2025-01-09 16:56:20,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:56:20,164 INFO L225 Difference]: With dead ends: 367 [2025-01-09 16:56:20,165 INFO L226 Difference]: Without dead ends: 199 [2025-01-09 16:56:20,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:56:20,166 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 0 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-09 16:56:20,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1038 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-09 16:56:20,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2025-01-09 16:56:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2025-01-09 16:56:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 117 states have (on average 1.1538461538461537) internal successors, (135), 119 states have internal predecessors, (135), 63 states have call successors, (63), 17 states have call predecessors, (63), 18 states have return successors, (71), 62 states have call predecessors, (71), 61 states have call successors, (71) [2025-01-09 16:56:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 269 transitions. [2025-01-09 16:56:20,181 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 269 transitions. Word has length 129 [2025-01-09 16:56:20,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:56:20,182 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 269 transitions. [2025-01-09 16:56:20,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 16:56:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2025-01-09 16:56:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 16:56:20,184 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:56:20,184 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:56:20,209 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 16:56:20,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:56:20,385 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:56:20,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:56:20,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1331367309, now seen corresponding path program 1 times [2025-01-09 16:56:20,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:56:20,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528322387] [2025-01-09 16:56:20,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:20,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:56:24,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 16:56:24,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 16:56:24,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:24,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2025-01-09 16:56:25,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:56:25,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528322387] [2025-01-09 16:56:25,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528322387] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:56:25,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186877616] [2025-01-09 16:56:25,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:56:25,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:56:25,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:56:25,353 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 16:56:25,355 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 16:56:29,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 16:56:30,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 16:56:30,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:56:30,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:56:30,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 4374 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 16:56:30,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:56:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2025-01-09 16:56:31,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:56:31,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186877616] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:56:31,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:56:31,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 16:56:31,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686572269] [2025-01-09 16:56:31,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:56:31,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:56:31,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:56:31,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:56:31,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 16:56:31,082 INFO L87 Difference]: Start difference. First operand 199 states and 269 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2025-01-09 16:56:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:56:31,811 INFO L93 Difference]: Finished difference Result 240 states and 311 transitions. [2025-01-09 16:56:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 16:56:31,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 144 [2025-01-09 16:56:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:56:31,814 INFO L225 Difference]: With dead ends: 240 [2025-01-09 16:56:31,815 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 16:56:31,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-01-09 16:56:31,817 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 87 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 16:56:31,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 248 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 16:56:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 16:56:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 16:56:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 16:56:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 16:56:31,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2025-01-09 16:56:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:56:31,819 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 16:56:31,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2025-01-09 16:56:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 16:56:31,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 16:56:31,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 16:56:31,842 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 16:56:32,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:56:32,026 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 16:56:32,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 16:56:34,886 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 16:56:34,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:56:34 BoogieIcfgContainer [2025-01-09 16:56:34,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 16:56:34,898 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 16:56:34,898 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 16:56:34,898 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 16:56:34,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:55:39" (3/4) ... [2025-01-09 16:56:34,902 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 16:56:34,907 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 16:56:34,908 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2025-01-09 16:56:34,909 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-01-09 16:56:34,929 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2025-01-09 16:56:34,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2025-01-09 16:56:34,931 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2025-01-09 16:56:34,932 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-01-09 16:56:34,933 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 16:56:34,934 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 16:56:34,935 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 16:56:34,936 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 16:56:35,545 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 16:56:35,545 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 16:56:35,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 16:56:35,549 INFO L158 Benchmark]: Toolchain (without parser) took 65913.72ms. Allocated memory was 142.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 103.0MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 624.9MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,549 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:56:35,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2709.93ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 76.8MB in the end (delta: 26.2MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.28ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 67.5MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,551 INFO L158 Benchmark]: Boogie Preprocessor took 216.09ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 52.8MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,551 INFO L158 Benchmark]: RCFGBuilder took 7214.47ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 52.8MB in the beginning and 95.2MB in the end (delta: -42.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,551 INFO L158 Benchmark]: TraceAbstraction took 54979.23ms. Allocated memory was 251.7MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 95.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 385.4MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,552 INFO L158 Benchmark]: Witness Printer took 647.68ms. Allocated memory is still 2.9GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 134.1MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2025-01-09 16:56:35,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2709.93ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 76.8MB in the end (delta: 26.2MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.28ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 67.5MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 216.09ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 52.8MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7214.47ms. Allocated memory was 142.6MB in the beginning and 251.7MB in the end (delta: 109.1MB). Free memory was 52.8MB in the beginning and 95.2MB in the end (delta: -42.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * TraceAbstraction took 54979.23ms. Allocated memory was 251.7MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 95.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 385.4MB. Max. memory is 16.1GB. * Witness Printer took 647.68ms. Allocated memory is still 2.9GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 134.1MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 4504 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3520 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 234 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 984 mSDtfsCounter, 234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1054 ConstructedInterpolants, 0 QuantifiedInterpolants, 1295 SizeOfPredicates, 2 NumberOfNonLiveVariables, 12862 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 1728/1760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 16:56:35,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE