./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_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_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:04,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:04,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:37:04,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:04,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:04,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:04,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:04,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:04,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:04,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:04,373 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:04,373 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:04,373 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:04,374 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:04,374 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:04,375 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:04,375 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:04,375 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:04,376 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:04,376 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:04,377 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:04,377 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:04,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:04,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:04,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:04,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:04,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:04,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:04,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:04,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:04,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:04,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:04,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:04,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:04,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:04,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:04,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:04,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:04,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:04,384 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:04,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:04,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:04,385 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:04,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:04,386 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 [2024-11-02 12:37:04,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:04,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:04,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:04,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:04,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:04,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:37:06,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:07,457 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:07,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-02 12:37:07,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/data/f5b8f7fcb/23bebdf16db14230bf6b350cea04ba5e/FLAGa8a98ae81 [2024-11-02 12:37:07,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/data/f5b8f7fcb/23bebdf16db14230bf6b350cea04ba5e [2024-11-02 12:37:07,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:07,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:07,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:07,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:07,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:07,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:07" (1/1) ... [2024-11-02 12:37:07,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632e0a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:07, skipping insertion in model container [2024-11-02 12:37:07,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:07" (1/1) ... [2024-11-02 12:37:07,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:08,053 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_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4500,4513] [2024-11-02 12:37:08,064 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_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4560,4573] [2024-11-02 12:37:09,256 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,258 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,258 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,259 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,261 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,277 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,278 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:09,281 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,210 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,211 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:10,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:10,441 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_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4500,4513] [2024-11-02 12:37:10,441 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_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4560,4573] [2024-11-02 12:37:10,501 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,502 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,502 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,503 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,504 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,519 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,519 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,520 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,522 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-02 12:37:10,701 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,702 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:10,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-02 12:37:10,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:11,109 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:11,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11 WrapperNode [2024-11-02 12:37:11,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:11,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:11,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:11,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:11,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,400 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-02 12:37:11,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:11,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:11,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:11,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:11,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:11,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:11,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:11,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:11,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (1/1) ... [2024-11-02 12:37:11,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:11,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:11,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:11,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e93d38e2-6e34-4757-ac66-ec5eb0b8df09/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-02 12:37:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-02 12:37:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:37:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:37:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:37:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-02 12:37:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-02 12:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:37:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:37:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:37:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:37:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:37:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:37:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:37:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:37:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:37:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:37:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:37:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:37:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:37:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:37:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:37:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:37:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:37:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:37:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:37:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-02 12:37:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-02 12:37:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:37:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-02 12:37:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-02 12:37:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:37:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:37:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-02 12:37:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-02 12:37:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:37:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:37:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-02 12:37:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-02 12:37:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:37:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:37:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:37:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 12:37:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-02 12:37:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-02 12:37:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:12,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:12,109 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:12,412 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-02 12:37:19,707 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:19,707 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:20,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:20,479 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 12:37:20,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:20 BoogieIcfgContainer [2024-11-02 12:37:20,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:20,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:20,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:20,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:20,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:07" (1/3) ... [2024-11-02 12:37:20,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53437f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:20, skipping insertion in model container [2024-11-02 12:37:20,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:11" (2/3) ... [2024-11-02 12:37:20,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53437f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:20, skipping insertion in model container [2024-11-02 12:37:20,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:20" (3/3) ... [2024-11-02 12:37:20,490 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness_negated.i [2024-11-02 12:37:20,512 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:20,512 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:20,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:20,599 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=FINITE_AUTOMATA, 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;@47151e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:20,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 69 states have internal predecessors, (83), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-02 12:37:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:37:20,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:20,618 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:20,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:20,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:20,624 INFO L85 PathProgramCache]: Analyzing trace with hash 75442842, now seen corresponding path program 1 times [2024-11-02 12:37:20,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:20,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274923533] [2024-11-02 12:37:20,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:20,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms