./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/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 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:11,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:11,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:26:11,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:11,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:11,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:11,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:11,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:11,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:11,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:11,325 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:11,326 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:11,326 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:11,327 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:11,327 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:11,327 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:11,328 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:11,328 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:11,329 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:11,329 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:11,330 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:11,336 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:11,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:11,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:11,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:11,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:11,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:11,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:11,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:11,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:11,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:11,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:11,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:11,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:11,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:11,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:11,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:11,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:11,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:11,342 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:11,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:11,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:11,345 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:11,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:11,347 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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2024-11-02 12:26:11,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:11,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:11,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:11,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:11,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:11,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i Unable to find full path for "g++" [2024-11-02 12:26:13,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:14,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:14,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2024-11-02 12:26:14,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/data/0ea92b0ba/a17751e8336746b8b9aa187d3a1071e6/FLAG7b2e95146 [2024-11-02 12:26:14,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/data/0ea92b0ba/a17751e8336746b8b9aa187d3a1071e6 [2024-11-02 12:26:14,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:14,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:14,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:14,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:14,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:14,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384b745f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14, skipping insertion in model container [2024-11-02 12:26:14,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:14,877 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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2024-11-02 12:26:14,888 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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2024-11-02 12:26:16,067 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,068 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,069 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,070 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,071 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,089 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,089 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,092 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:16,092 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,051 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,052 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:17,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:17,251 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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2024-11-02 12:26:17,255 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_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2024-11-02 12:26:17,360 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,361 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,362 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,362 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,363 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,370 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,370 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,371 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,372 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-02 12:26:17,527 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,527 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:17,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-02 12:26:17,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:17,914 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:17,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17 WrapperNode [2024-11-02 12:26:17,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:17,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:17,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:17,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:17,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,154 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-11-02 12:26:18,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:18,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:18,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:18,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:18,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:18,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:18,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:18,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:18,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (1/1) ... [2024-11-02 12:26:18,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:18,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:18,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:18,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfe9a70-43cc-4638-93e5-2d5beaa22e98/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:26:18,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:26:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:26:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:26:18,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:26:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:26:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:26:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:26:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:26:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:26:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:26:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:26:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:26:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:18,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:26:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:26:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:26:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:26:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-02 12:26:18,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-02 12:26:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-02 12:26:18,381 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-02 12:26:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-02 12:26:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-02 12:26:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:18,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:18,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:26,784 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:26,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:27,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:27,641 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-02 12:26:27,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:27 BoogieIcfgContainer [2024-11-02 12:26:27,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:27,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:27,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:27,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:27,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:14" (1/3) ... [2024-11-02 12:26:27,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4ed1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:27, skipping insertion in model container [2024-11-02 12:26:27,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:17" (2/3) ... [2024-11-02 12:26:27,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4ed1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:27, skipping insertion in model container [2024-11-02 12:26:27,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:27" (3/3) ... [2024-11-02 12:26:27,656 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2024-11-02 12:26:27,678 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:27,678 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:27,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:27,786 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;@4d3cae70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:27,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 73 states have internal predecessors, (87), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-02 12:26:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-02 12:26:27,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:27,804 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 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] [2024-11-02 12:26:27,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:27,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:27,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1738358651, now seen corresponding path program 1 times [2024-11-02 12:26:27,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:27,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421181983] [2024-11-02 12:26:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms