./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.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_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/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_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/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_6e08a805-7ce6-499c-a6da-e5791a525157/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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:11,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:11,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:19:11,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:11,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:11,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:11,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:11,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:11,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:11,234 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:11,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:11,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:11,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:11,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:11,240 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:11,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:11,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:11,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:11,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:11,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:11,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:11,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:11,245 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:11,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:11,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:11,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:11,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:11,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:11,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:11,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:11,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:11,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:11,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:11,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:11,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:11,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:11,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:11,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:11,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:11,254 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_6e08a805-7ce6-499c-a6da-e5791a525157/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2024-10-31 22:19:11,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:11,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:11,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:11,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:11,615 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:11,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i Unable to find full path for "g++" [2024-10-31 22:19:13,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:14,485 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:14,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2024-10-31 22:19:14,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/data/38e15b0ec/c91848aff2ea4b51b605e34ab24fbe82/FLAG3d84fdddb [2024-10-31 22:19:14,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/data/38e15b0ec/c91848aff2ea4b51b605e34ab24fbe82 [2024-10-31 22:19:14,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:14,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:14,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:14,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:14,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:14,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:14" (1/1) ... [2024-10-31 22:19:14,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b32ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:14, skipping insertion in model container [2024-10-31 22:19:14,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:14" (1/1) ... [2024-10-31 22:19:15,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:15,428 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_6e08a805-7ce6-499c-a6da-e5791a525157/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2024-10-31 22:19:15,437 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_6e08a805-7ce6-499c-a6da-e5791a525157/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2024-10-31 22:19:16,446 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,449 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,450 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,451 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,453 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,472 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,473 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,475 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:16,475 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,288 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,290 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:17,512 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:17,532 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_6e08a805-7ce6-499c-a6da-e5791a525157/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2024-10-31 22:19:17,533 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_6e08a805-7ce6-499c-a6da-e5791a525157/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2024-10-31 22:19:17,600 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,601 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,601 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,606 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,607 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,614 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,615 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,616 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,619 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-10-31 22:19:17,834 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,834 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:19:17,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-10-31 22:19:17,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:18,150 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:18,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18 WrapperNode [2024-10-31 22:19:18,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:18,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:18,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:18,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:18,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,375 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-10-31 22:19:18,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:18,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:18,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:18,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:18,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,499 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 238, 16, 6, 12]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 5, 0]. The 493 writes are split as follows [0, 257, 232, 0, 0, 4]. [2024-10-31 22:19:18,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:18,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:18,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:18,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:18,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (1/1) ... [2024-10-31 22:19:18,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:18,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:18,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:18,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e08a805-7ce6-499c-a6da-e5791a525157/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:19:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:19:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:19:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:19:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:19:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:19:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:19:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:19:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:19:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:19:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:19:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:19:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:19:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:19:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:19:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:19:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:19:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:18,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:19:18,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:19:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:19:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:19:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:19:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:19:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:19:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:19:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-10-31 22:19:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-10-31 22:19:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-31 22:19:18,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-31 22:19:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:19:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:19:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:19:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 22:19:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 22:19:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 22:19:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:19:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:19:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:19:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 22:19:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 22:19:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 22:19:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-10-31 22:19:18,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-10-31 22:19:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:19:18,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:19:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:19:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:19:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:19:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:19:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:19:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:19:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:19:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:19:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:19:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:19:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:19:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:19:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:19:18,753 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:19:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:19:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:19:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:19:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:19:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:19:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:19:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:19:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:19:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:19:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:19:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:19:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:19:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:19:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:19:19,180 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:19,182 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:28,988 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:28,989 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:29,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:29,003 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:19:29,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:29 BoogieIcfgContainer [2024-10-31 22:19:29,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:29,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:29,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:29,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:29,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:19:14" (1/3) ... [2024-10-31 22:19:29,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3072166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:29, skipping insertion in model container [2024-10-31 22:19:29,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:18" (2/3) ... [2024-10-31 22:19:29,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3072166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:29, skipping insertion in model container [2024-10-31 22:19:29,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:29" (3/3) ... [2024-10-31 22:19:29,018 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2024-10-31 22:19:29,037 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:29,038 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:19:29,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:19:29,122 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;@5d01dd12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:19:29,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:19:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:19:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 22:19:29,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:29,141 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:29,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:29,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-10-31 22:19:29,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:29,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711498240] [2024-10-31 22:19:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms