./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU --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 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:53,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:53,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:05:53,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:53,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:53,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:53,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:53,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:53,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:53,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:53,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:53,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:53,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:53,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:53,403 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:53,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:53,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:53,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:53,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:53,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:53,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:53,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:53,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:53,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:53,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:53,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:53,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:53,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:53,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:53,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:53,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:53,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:53,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:53,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:53,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:53,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:53,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:53,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:53,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:53,419 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-10-31 22:05:53,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:53,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:53,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:53,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:53,786 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:53,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:05:56,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:56,660 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:56,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-10-31 22:05:56,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/data/d122755b8/1568ffe03b804db9987e2e95136a4386/FLAG1af7a70b2 [2024-10-31 22:05:56,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/data/d122755b8/1568ffe03b804db9987e2e95136a4386 [2024-10-31 22:05:56,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:56,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:56,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:56,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:56,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:56,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:56" (1/1) ... [2024-10-31 22:05:56,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2264228b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:56, skipping insertion in model container [2024-10-31 22:05:56,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:56" (1/1) ... [2024-10-31 22:05:56,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:57,474 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-10-31 22:05:57,486 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-10-31 22:05:59,069 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,070 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,071 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,072 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,073 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,091 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,092 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,095 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:05:59,096 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,026 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,027 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:00,238 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:00,261 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-10-31 22:06:00,262 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-10-31 22:06:00,345 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,346 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,346 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,347 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,348 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,365 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,366 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,367 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,368 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-10-31 22:06:00,635 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,636 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:06:00,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-10-31 22:06:00,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:01,059 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:01,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01 WrapperNode [2024-10-31 22:06:01,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:01,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:01,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:01,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:01,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,341 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-10-31 22:06:01,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:01,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:01,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:01,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:01,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,465 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 13, 12, 257, 238, 16, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 0, 0, 6, 16, 5]. The 493 writes are split as follows [0, 1, 3, 257, 232, 0, 0]. [2024-10-31 22:06:01,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:01,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:01,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:01,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:01,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (1/1) ... [2024-10-31 22:06:01,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:01,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:01,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:01,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab50f3f4-e620-4181-b5fe-2cf9bb42ad2c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:06:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:06:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-10-31 22:06:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-10-31 22:06:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:06:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:06:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:06:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:06:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:06:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:06:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:06:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:06:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:06:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:06:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:06:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:06:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:06:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:06:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:06:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:06:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:06:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:06:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:06:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:06:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:06:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:06:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:06:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:06:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:06:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:06:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:06:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:06:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:06:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:06:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:06:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:06:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:06:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:06:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:06:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:06:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:06:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:06:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:06:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:06:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:06:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:06:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:06:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:06:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:06:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:06:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:06:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:06:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-10-31 22:06:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-10-31 22:06:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:06:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:06:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:06:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:06:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:06:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:06:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:06:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:06:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:06:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:06:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:06:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:06:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:06:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:06:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:06:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:06:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:06:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:06:02,241 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:02,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:12,307 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:12,307 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:12,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:12,328 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:06:12,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:12 BoogieIcfgContainer [2024-10-31 22:06:12,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:12,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:12,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:12,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:12,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:56" (1/3) ... [2024-10-31 22:06:12,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e835f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:12, skipping insertion in model container [2024-10-31 22:06:12,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:01" (2/3) ... [2024-10-31 22:06:12,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e835f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:12, skipping insertion in model container [2024-10-31 22:06:12,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:12" (3/3) ... [2024-10-31 22:06:12,378 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-10-31 22:06:12,401 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:12,402 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:06:12,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:12,503 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;@2b470ec4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:12,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:06:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-31 22:06:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-31 22:06:12,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:12,522 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 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] [2024-10-31 22:06:12,523 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:12,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:12,529 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-10-31 22:06:12,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:12,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120444746] [2024-10-31 22:06:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:12,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms