./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_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_cat_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 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:54:33,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:54:33,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:54:33,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:54:33,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:54:33,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:54:33,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:54:33,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:54:33,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:54:33,383 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:54:33,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:54:33,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:54:33,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:54:33,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:54:33,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:54:33,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:33,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:54:33,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:54:33,386 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:54:33,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:54:33,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:54:33,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:54:33,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:54:33,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:54:33,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:54:33,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:54:33,387 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 -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2025-02-06 04:54:33,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:54:33,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:54:33,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:54:33,624 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:54:33,624 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:54:33,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2025-02-06 04:54:34,776 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1102ec808/a461a746217945e99d204e3b62a4948e/FLAG7c2b9f282 [2025-02-06 04:54:35,310 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:54:35,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2025-02-06 04:54:35,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1102ec808/a461a746217945e99d204e3b62a4948e/FLAG7c2b9f282 [2025-02-06 04:54:35,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1102ec808/a461a746217945e99d204e3b62a4948e [2025-02-06 04:54:35,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:54:35,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:54:35,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:35,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:54:35,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:54:35,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:35" (1/1) ... [2025-02-06 04:54:35,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fd71c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:35, skipping insertion in model container [2025-02-06 04:54:35,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:35" (1/1) ... [2025-02-06 04:54:35,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:54:36,099 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_cat_harness.i[4490,4503] [2025-02-06 04:54:36,103 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_cat_harness.i[4550,4563] [2025-02-06 04:54:36,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,585 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,585 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:36,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:37,151 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:54:37,164 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_cat_harness.i[4490,4503] [2025-02-06 04:54:37,164 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_cat_harness.i[4550,4563] [2025-02-06 04:54:37,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-06 04:54:37,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,341 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:37,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-06 04:54:37,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:37,552 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:54:37,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37 WrapperNode [2025-02-06 04:54:37,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:37,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:37,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:54:37,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:54:37,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,681 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1083 [2025-02-06 04:54:37,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:37,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:54:37,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:54:37,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:54:37,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,763 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [257, 2, 87, 17, 4, 6, 8, 246]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [0, 2, 28, 2, 0, 0, 4, 11]. The 500 writes are split as follows [257, 0, 3, 2, 3, 2, 0, 233]. [2025-02-06 04:54:37,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,808 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:54:37,839 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:54:37,839 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:54:37,839 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:54:37,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (1/1) ... [2025-02-06 04:54:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:37,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:54:37,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:54:37,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:54:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:54:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:54:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:54:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-06 04:54:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:54:37,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:54:37,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 04:54:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-02-06 04:54:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:54:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:54:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 04:54:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 04:54:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:54:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:54:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:54:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-02-06 04:54:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-02-06 04:54:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 04:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 04:54:38,202 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:54:38,204 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:54:38,237 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:54:38,303 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-02-06 04:54:38,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-02-06 04:54:38,346 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-02-06 04:54:38,673 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:54:38,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:54:46,144 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8248: havoc aws_byte_cursor_from_buf_#t~mem1072#1;havoc aws_byte_cursor_from_buf_#t~mem1073#1.base, aws_byte_cursor_from_buf_#t~mem1073#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset);havoc aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset; [2025-02-06 04:54:46,144 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7895: havoc aws_byte_buf_append_#t~ret873#1; [2025-02-06 04:54:46,220 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-02-06 04:54:46,220 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:54:46,231 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:54:46,231 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:54:46,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:46 BoogieIcfgContainer [2025-02-06 04:54:46,231 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:54:46,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:54:46,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:54:46,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:54:46,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:54:35" (1/3) ... [2025-02-06 04:54:46,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294963e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:46, skipping insertion in model container [2025-02-06 04:54:46,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:37" (2/3) ... [2025-02-06 04:54:46,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294963e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:46, skipping insertion in model container [2025-02-06 04:54:46,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:46" (3/3) ... [2025-02-06 04:54:46,241 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness.i [2025-02-06 04:54:46,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:54:46,251 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_cat_harness.i that has 22 procedures, 245 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-02-06 04:54:46,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:54:46,301 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;@14198f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:54:46,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:54:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 122 states have (on average 1.221311475409836) internal successors, (149), 123 states have internal predecessors, (149), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-02-06 04:54:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-02-06 04:54:46,319 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:54:46,320 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:54:46,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:54:46,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:54:46,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1130154883, now seen corresponding path program 1 times [2025-02-06 04:54:46,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:54:46,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945909795] [2025-02-06 04:54:46,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:54:46,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:55:56,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-02-06 04:55:57,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-02-06 04:55:57,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:55:57,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:55:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2025-02-06 04:55:57,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:55:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945909795] [2025-02-06 04:55:57,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945909795] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:55:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744034927] [2025-02-06 04:55:57,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:55:57,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:55:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:58,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 04:55:58,002 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