./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E --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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:48:41,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:48:41,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:48:41,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:48:41,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:48:41,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:48:41,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:48:41,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:48:41,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:48:41,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:48:41,221 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:48:41,222 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:48:41,222 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:48:41,222 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:48:41,223 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:48:41,223 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:48:41,223 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:48:41,224 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:48:41,224 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:48:41,224 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:48:41,224 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:48:41,225 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:48:41,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:48:41,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:48:41,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:48:41,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:48:41,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:48:41,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:48:41,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:48:41,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:48:41,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:48:41,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:48:41,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:48:41,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:48:41,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:48:41,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:48:41,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:48:41,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:48:41,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:48:41,228 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:48:41,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:48:41,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:48:41,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:48:41,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:48:41,229 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E 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 -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2024-11-14 04:48:41,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:48:41,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:48:41,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:48:41,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:48:41,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:48:41,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i Unable to find full path for "g++" [2024-11-14 04:48:44,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:48:44,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:48:44,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-14 04:48:45,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/data/09700ed4d/71cbbedd862b43cabc3f7418e7d103c9/FLAG06ae0c83f [2024-11-14 04:48:45,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/data/09700ed4d/71cbbedd862b43cabc3f7418e7d103c9 [2024-11-14 04:48:45,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:48:45,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:48:45,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:48:45,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:48:45,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:48:45,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:48:45" (1/1) ... [2024-11-14 04:48:45,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba3b105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:45, skipping insertion in model container [2024-11-14 04:48:45,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:48:45" (1/1) ... [2024-11-14 04:48:45,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:48:45,580 WARN L250 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_0147933a-0d9b-4281-acd8-c5c67af87bf0/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2024-11-14 04:48:45,589 WARN L250 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_0147933a-0d9b-4281-acd8-c5c67af87bf0/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2024-11-14 04:48:46,783 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,785 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,785 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,787 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,788 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,809 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,810 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,816 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:46,819 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:47,925 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:47,926 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:48:48,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:48:48,143 WARN L250 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_0147933a-0d9b-4281-acd8-c5c67af87bf0/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2024-11-14 04:48:48,144 WARN L250 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_0147933a-0d9b-4281-acd8-c5c67af87bf0/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2024-11-14 04:48:48,204 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,205 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,205 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,206 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,217 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,218 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,219 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,220 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-14 04:48:48,480 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,480 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 04:48:48,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-14 04:48:48,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:48:48,931 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:48:48,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48 WrapperNode [2024-11-14 04:48:48,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:48:48,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:48:48,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:48:48,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:48:48,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,129 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-14 04:48:49,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:48:49,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:48:49,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:48:49,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:48:49,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:48:49,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:48:49,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:48:49,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:48:49,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (1/1) ... [2024-11-14 04:48:49,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:48:49,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:48:49,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:48:49,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:48:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-14 04:48:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-14 04:48:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-14 04:48:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-14 04:48:49,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:48:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-14 04:48:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-14 04:48:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-14 04:48:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-14 04:48:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-14 04:48:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:48:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:48:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-14 04:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-14 04:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-14 04:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:48:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-14 04:48:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-14 04:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-14 04:48:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-14 04:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-14 04:48:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-14 04:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:48:49,899 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:48:49,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:48:58,013 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-14 04:48:58,014 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:48:59,863 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:48:59,864 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:48:59,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:59 BoogieIcfgContainer [2024-11-14 04:48:59,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:48:59,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:48:59,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:48:59,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:48:59,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:48:45" (1/3) ... [2024-11-14 04:48:59,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fe86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:48:59, skipping insertion in model container [2024-11-14 04:48:59,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:48" (2/3) ... [2024-11-14 04:48:59,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fe86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:48:59, skipping insertion in model container [2024-11-14 04:48:59,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:59" (3/3) ... [2024-11-14 04:48:59,885 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2024-11-14 04:48:59,908 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:48:59,910 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness.i that has 14 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:48:59,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:48:59,993 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;@6d837498, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:48:59,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:48:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 62 states have internal predecessors, (70), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-14 04:49:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 04:49:00,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:00,011 INFO L215 NwaCegarLoop]: trace histogram [7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:00,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:00,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:00,017 INFO L85 PathProgramCache]: Analyzing trace with hash 445469017, now seen corresponding path program 1 times [2024-11-14 04:49:00,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:00,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646869636] [2024-11-14 04:49:00,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:52:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-14 04:52:09,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:52:09,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646869636] [2024-11-14 04:52:09,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646869636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:52:09,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741195768] [2024-11-14 04:52:09,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:52:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:52:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:52:09,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:52:09,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0147933a-0d9b-4281-acd8-c5c67af87bf0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process