./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_compare_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_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/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_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/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_be994ddb-007d-4f88-9445-575be63633d4/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 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:26,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:26,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:11:26,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:26,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:26,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:26,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:26,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:26,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:26,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:26,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:26,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:26,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:26,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:26,559 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:26,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:26,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:26,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:26,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:26,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:26,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:26,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:26,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:26,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:26,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:26,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:26,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:26,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:26,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:26,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:26,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:26,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:26,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:26,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:26,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:26,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:26,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:26,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:26,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:26,579 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_be994ddb-007d-4f88-9445-575be63633d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 [2024-10-31 22:11:26,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:26,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:26,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:26,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:26,936 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:26,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:11:29,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:29,642 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:29,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-10-31 22:11:29,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/data/541eb81db/7ac91e33cb0f4b88a0ae5215254c28ca/FLAG60e67325d [2024-10-31 22:11:29,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/data/541eb81db/7ac91e33cb0f4b88a0ae5215254c28ca [2024-10-31 22:11:29,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:29,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:29,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:29,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:29,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:29,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:29" (1/1) ... [2024-10-31 22:11:29,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768ea3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:29, skipping insertion in model container [2024-10-31 22:11:29,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:29" (1/1) ... [2024-10-31 22:11:29,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:30,365 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_be994ddb-007d-4f88-9445-575be63633d4/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i[4492,4505] [2024-10-31 22:11:30,375 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_be994ddb-007d-4f88-9445-575be63633d4/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i[4552,4565] [2024-10-31 22:11:31,536 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,537 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,538 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,539 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,541 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,559 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,562 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:31,563 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,629 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,630 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:32,888 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:32,908 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_be994ddb-007d-4f88-9445-575be63633d4/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i[4492,4505] [2024-10-31 22:11:32,912 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_be994ddb-007d-4f88-9445-575be63633d4/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i[4552,4565] [2024-10-31 22:11:32,996 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,997 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,997 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,998 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:32,999 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,019 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,019 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-10-31 22:11:33,388 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,389 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:33,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-10-31 22:11:33,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:33,650 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:33,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33 WrapperNode [2024-10-31 22:11:33,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:33,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:33,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:33,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:33,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:33,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:33,917 INFO L138 Inliner]: procedures = 682, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-10-31 22:11:33,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:33,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:33,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:33,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:33,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:33,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:33,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,068 INFO L175 MemorySlicer]: Split 529 memory accesses to 6 slices as follows [2, 11, 257, 238, 5, 16]. 49 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 6, 5, 16]. The 492 writes are split as follows [0, 3, 257, 232, 0, 0]. [2024-10-31 22:11:34,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:34,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:34,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:34,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:34,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (1/1) ... [2024-10-31 22:11:34,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:34,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:34,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be994ddb-007d-4f88-9445-575be63633d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:11:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:11:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-10-31 22:11:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-10-31 22:11:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:11:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:11:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:11:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:11:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:11:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:11:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:11:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:11:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:11:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:11:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:11:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:11:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:11:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:11:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:11:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:11:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:11:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:11:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:11:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:11:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:11:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:11:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:11:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:11:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:11:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:11:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:11:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:11:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:11:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:11:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:11:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:11:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:11:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-10-31 22:11:34,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-10-31 22:11:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:11:34,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:11:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:11:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:11:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:11:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:11:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:11:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:11:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:11:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:11:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:11:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:11:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:11:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:11:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:11:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:11:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:11:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:11:34,764 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:34,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:44,858 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:44,858 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:44,879 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:44,880 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:11:44,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:44 BoogieIcfgContainer [2024-10-31 22:11:44,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:44,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:44,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:44,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:44,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:29" (1/3) ... [2024-10-31 22:11:44,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ff171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:44, skipping insertion in model container [2024-10-31 22:11:44,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:33" (2/3) ... [2024-10-31 22:11:44,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ff171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:44, skipping insertion in model container [2024-10-31 22:11:44,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:44" (3/3) ... [2024-10-31 22:11:44,896 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness_negated.i [2024-10-31 22:11:44,918 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:44,918 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:45,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:45,027 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;@22c96fe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:45,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-31 22:11:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:11:45,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:45,047 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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 22:11:45,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:45,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:45,054 INFO L85 PathProgramCache]: Analyzing trace with hash 127762490, now seen corresponding path program 1 times [2024-10-31 22:11:45,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:45,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781148717] [2024-10-31 22:11:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms