./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_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 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:01:27,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:01:27,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:01:27,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:01:27,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:01:27,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:01:27,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:01:27,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:01:27,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:01:27,701 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:01:27,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:01:27,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:01:27,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:01:27,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:01:27,701 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:01:27,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:01:27,702 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:27,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:01:27,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:01:27,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:01:27,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:01:27,703 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 -> 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f [2025-02-06 05:01:27,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:01:27,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:01:27,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:01:27,949 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:01:27,950 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:01:27,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2025-02-06 05:01:29,208 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/026233072/e011ac07c1944f5b9743604fe1a0cc3e/FLAGda9b7df04 [2025-02-06 05:01:29,686 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:01:29,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2025-02-06 05:01:29,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/026233072/e011ac07c1944f5b9743604fe1a0cc3e/FLAGda9b7df04 [2025-02-06 05:01:29,775 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/026233072/e011ac07c1944f5b9743604fe1a0cc3e [2025-02-06 05:01:29,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:01:29,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:01:29,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:29,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:01:29,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:01:29,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:29" (1/1) ... [2025-02-06 05:01:29,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae6f1df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:29, skipping insertion in model container [2025-02-06 05:01:29,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:29" (1/1) ... [2025-02-06 05:01:29,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:01:30,110 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_byte_buf_write_from_whole_string_harness.i[4510,4523] [2025-02-06 05:01:30,117 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_byte_buf_write_from_whole_string_harness.i[4570,4583] [2025-02-06 05:01:31,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:31,831 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:01:31,843 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_byte_buf_write_from_whole_string_harness.i[4510,4523] [2025-02-06 05:01:31,844 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_byte_buf_write_from_whole_string_harness.i[4570,4583] [2025-02-06 05:01:31,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8553] [2025-02-06 05:01:31,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:31,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [9039-9050] [2025-02-06 05:01:32,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:32,212 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:01:32,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32 WrapperNode [2025-02-06 05:01:32,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:32,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:32,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:01:32,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:01:32,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,342 INFO L138 Inliner]: procedures = 684, calls = 3059, calls flagged for inlining = 70, calls inlined = 10, statements flattened = 980 [2025-02-06 05:01:32,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:32,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:01:32,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:01:32,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:01:32,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,423 INFO L175 MemorySlicer]: Split 591 memory accesses to 7 slices as follows [2, 257, 238, 16, 21, 51, 6]. 43 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [2, 0, 6, 16, 5, 8, 0]. The 498 writes are split as follows [0, 257, 232, 0, 4, 3, 2]. [2025-02-06 05:01:32,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,457 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:01:32,513 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:01:32,513 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:01:32,514 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:01:32,514 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (1/1) ... [2025-02-06 05:01:32,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:01:32,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:01:32,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:01:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:01:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:01:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:01:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:01:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:01:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:01:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:01:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:01:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 05:01:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 05:01:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 05:01:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 05:01:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:01:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:01:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 05:01:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:01:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:01:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:01:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:01:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:01:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:01:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 05:01:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:01:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:01:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:01:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:01:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-06 05:01:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:01:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:01:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-06 05:01:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:01:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:01:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:01:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:01:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:01:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:01:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:01:32,865 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:01:32,866 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:01:32,912 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:01:32,951 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: havoc #t~mem498;havoc #t~short499;havoc #t~mem500;havoc #t~mem501;havoc #t~short502; [2025-02-06 05:01:32,963 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:01:33,019 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7619: havoc #t~mem813;havoc #t~mem814;havoc #t~short815;havoc #t~mem816.base, #t~mem816.offset;havoc #t~short817;havoc #t~mem818;havoc #t~mem819;havoc #t~mem820;havoc #t~short821;havoc #t~mem822;havoc #t~mem823.base, #t~mem823.offset;havoc #t~short824;havoc #t~short825;havoc #t~short826;havoc #t~short827; [2025-02-06 05:01:33,061 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6852: havoc #t~ret569#1.base, #t~ret569#1.offset; [2025-02-06 05:01:33,522 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:01:40,263 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:01:40,263 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9810: havoc aws_byte_buf_write_from_whole_string_#t~ret1489#1.base, aws_byte_buf_write_from_whole_string_#t~ret1489#1.offset;havoc aws_byte_buf_write_from_whole_string_#t~mem1490#1;havoc aws_byte_buf_write_from_whole_string_#t~ret1491#1; [2025-02-06 05:01:40,341 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2025-02-06 05:01:40,341 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:01:40,353 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:01:40,353 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:01:40,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:40 BoogieIcfgContainer [2025-02-06 05:01:40,353 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:01:40,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:01:40,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:01:40,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:01:40,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:01:29" (1/3) ... [2025-02-06 05:01:40,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a5bc9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:40, skipping insertion in model container [2025-02-06 05:01:40,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:32" (2/3) ... [2025-02-06 05:01:40,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a5bc9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:40, skipping insertion in model container [2025-02-06 05:01:40,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:40" (3/3) ... [2025-02-06 05:01:40,364 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_string_harness.i [2025-02-06 05:01:40,376 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:01:40,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_string_harness.i that has 20 procedures, 211 locations, 1 initial locations, 14 loop locations, and 1 error locations. [2025-02-06 05:01:40,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:01:40,432 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;@60b39581, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:01:40,433 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:01:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 119 states have internal predecessors, (149), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-06 05:01:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 05:01:40,446 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:01:40,447 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:01:40,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:01:40,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:01:40,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1825833019, now seen corresponding path program 1 times [2025-02-06 05:01:40,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:01:40,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362301669] [2025-02-06 05:01:40,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:01:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:02:50,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 05:02:50,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 05:02:50,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:02:50,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:02:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 05:02:51,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:02:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362301669] [2025-02-06 05:02:51,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362301669] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:02:51,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896987977] [2025-02-06 05:02:51,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:02:51,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:02:51,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:02:51,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:02:51,319 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