./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:56:39,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:56:39,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:56:39,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:56:39,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:56:39,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:56:39,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:56:39,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:56:39,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:56:39,440 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:56:39,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:56:39,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:56:39,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:56:39,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:56:39,441 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:56:39,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:56:39,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:56:39,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:56:39,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:56:39,442 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:56:39,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:39,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:56:39,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:56:39,443 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/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 -> 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 [2025-03-17 06:56:39,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:56:39,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:56:39,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:56:39,681 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:56:39,681 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:56:39,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2025-03-17 06:56:40,782 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2286c16e/67bb3a4516c84aa08e6e9b1ee263ec1a/FLAGb37c64016 [2025-03-17 06:56:41,305 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:56:41,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2025-03-17 06:56:41,333 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2286c16e/67bb3a4516c84aa08e6e9b1ee263ec1a/FLAGb37c64016 [2025-03-17 06:56:41,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2286c16e/67bb3a4516c84aa08e6e9b1ee263ec1a [2025-03-17 06:56:41,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:56:41,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:56:41,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:41,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:56:41,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:56:41,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:41" (1/1) ... [2025-03-17 06:56:41,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f21cdc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:41, skipping insertion in model container [2025-03-17 06:56:41,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:41" (1/1) ... [2025-03-17 06:56:41,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:56:41,602 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503] [2025-03-17 06:56:41,610 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563] [2025-03-17 06:56:42,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:42,656 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:56:42,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503] [2025-03-17 06:56:42,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563] [2025-03-17 06:56:42,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,706 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-17 06:56:42,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:42,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-17 06:56:42,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:43,009 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:56:43,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43 WrapperNode [2025-03-17 06:56:43,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:43,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:43,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:56:43,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:56:43,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,150 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1083 [2025-03-17 06:56:43,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:43,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:56:43,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:56:43,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:56:43,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,227 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [257, 2, 8, 4, 246, 6, 17, 87]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [0, 2, 4, 0, 11, 0, 2, 28]. The 500 writes are split as follows [257, 0, 0, 3, 233, 2, 2, 3]. [2025-03-17 06:56:43,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:56:43,295 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:56:43,295 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:56:43,295 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:56:43,295 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (1/1) ... [2025-03-17 06:56:43,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:56:43,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 06:56:43,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 06:56:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:56:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:56:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:56:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:56:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 06:56:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 06:56:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:56:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:56:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:56:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:56:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:56:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-17 06:56:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-17 06:56:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:56:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:56:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:56:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:56:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 06:56:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 06:56:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 06:56:43,653 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:56:43,655 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:56:43,693 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:56:43,776 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: 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; [2025-03-17 06:56:43,792 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem477; [2025-03-17 06:56:43,823 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: 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; [2025-03-17 06:56:44,203 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 06:56:44,311 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:56:51,614 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8216: 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; [2025-03-17 06:56:51,614 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7863: havoc aws_byte_buf_append_#t~ret873#1; [2025-03-17 06:56:51,701 INFO L? ?]: Removed 226 outVars from TransFormulas that were not future-live. [2025-03-17 06:56:51,701 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:56:51,713 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:56:51,713 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:56:51,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:51 BoogieIcfgContainer [2025-03-17 06:56:51,714 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:56:51,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:56:51,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:56:51,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:56:51,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:56:41" (1/3) ... [2025-03-17 06:56:51,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116dcd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:51, skipping insertion in model container [2025-03-17 06:56:51,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:43" (2/3) ... [2025-03-17 06:56:51,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116dcd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:51, skipping insertion in model container [2025-03-17 06:56:51,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:51" (3/3) ... [2025-03-17 06:56:51,723 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness_negated.i [2025-03-17 06:56:51,733 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:56:51,734 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_cat_harness_negated.i that has 22 procedures, 241 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-03-17 06:56:51,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:56:51,788 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;@eb5205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:56:51,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:56:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 118 states have (on average 1.228813559322034) internal successors, (145), 119 states have internal predecessors, (145), 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) [2025-03-17 06:56:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-03-17 06:56:51,805 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:56:51,806 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] [2025-03-17 06:56:51,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:56:51,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:56:51,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1675917105, now seen corresponding path program 1 times [2025-03-17 06:56:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:56:51,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028458280] [2025-03-17 06:56:51,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:56:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:58:02,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-03-17 06:58:03,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-03-17 06:58:03,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:58:03,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:58:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2025-03-17 06:58:04,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:58:04,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028458280] [2025-03-17 06:58:04,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028458280] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:58:04,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259500489] [2025-03-17 06:58:04,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:58:04,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:58:04,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:58:04,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 06:58:04,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process