./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.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_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/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_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/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_9d706e64-3ccf-45d3-bae2-bb048887d87b/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 a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:26,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:26,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:37:26,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:26,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:26,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:26,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:26,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:26,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:26,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:26,983 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:26,983 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:26,984 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:26,984 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:26,985 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:26,985 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:26,986 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:26,986 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:26,987 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:26,987 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:26,987 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:26,992 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:26,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:26,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:26,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:26,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:26,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:26,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:26,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:26,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:26,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:27,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:27,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:27,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:27,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:27,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:27,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:27,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:27,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:27,002 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:27,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:27,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:27,004 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:27,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:27,006 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_9d706e64-3ccf-45d3-bae2-bb048887d87b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2024-11-02 12:37:27,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:27,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:27,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:27,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:27,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:27,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:37:29,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:30,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:30,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2024-11-02 12:37:30,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/data/57a3d52d0/350623f628b743d6ab7e89641090f86b/FLAG9ea7074f7 [2024-11-02 12:37:30,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/data/57a3d52d0/350623f628b743d6ab7e89641090f86b [2024-11-02 12:37:30,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:30,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:30,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:30,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:30,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:30,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:30" (1/1) ... [2024-11-02 12:37:30,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3602dde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:30, skipping insertion in model container [2024-11-02 12:37:30,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:30" (1/1) ... [2024-11-02 12:37:31,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:31,575 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_9d706e64-3ccf-45d3-bae2-bb048887d87b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4497,4510] [2024-11-02 12:37:31,586 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_9d706e64-3ccf-45d3-bae2-bb048887d87b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4557,4570] [2024-11-02 12:37:32,857 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,858 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,859 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,860 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,862 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,881 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,882 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,885 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:32,886 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:33,994 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:33,995 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:34,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:34,208 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_9d706e64-3ccf-45d3-bae2-bb048887d87b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4497,4510] [2024-11-02 12:37:34,209 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_9d706e64-3ccf-45d3-bae2-bb048887d87b/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4557,4570] [2024-11-02 12:37:34,322 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,323 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,324 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,324 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,325 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,335 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,339 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,341 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,341 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-02 12:37:34,593 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,594 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:37:34,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-02 12:37:34,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:35,032 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:35,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35 WrapperNode [2024-11-02 12:37:35,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:35,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:35,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:35,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:35,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,273 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2024-11-02 12:37:35,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:35,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:35,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:35,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:35,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:35,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:35,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:35,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:35,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (1/1) ... [2024-11-02 12:37:35,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:35,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:35,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:35,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d706e64-3ccf-45d3-bae2-bb048887d87b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:37:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:37:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2024-11-02 12:37:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2024-11-02 12:37:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:37:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:37:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:37:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:37:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:37:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:37:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:37:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:37:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:37:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 12:37:35,545 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 12:37:35,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:37:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:37:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:37:35,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:37:35,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:37:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:37:35,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:37:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 12:37:35,547 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 12:37:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:37:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:37:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-02 12:37:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-02 12:37:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:37:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:37:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:37:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:37:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:35,911 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:35,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:44,160 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:44,160 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:45,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:45,487 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:37:45,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:45 BoogieIcfgContainer [2024-11-02 12:37:45,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:45,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:45,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:45,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:45,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:30" (1/3) ... [2024-11-02 12:37:45,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7154cad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:45, skipping insertion in model container [2024-11-02 12:37:45,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:35" (2/3) ... [2024-11-02 12:37:45,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7154cad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:45, skipping insertion in model container [2024-11-02 12:37:45,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:45" (3/3) ... [2024-11-02 12:37:45,498 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2024-11-02 12:37:45,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:45,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:45,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:45,609 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;@55467d2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:45,610 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-02 12:37:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-02 12:37:45,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:45,628 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 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 12:37:45,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:45,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1112762574, now seen corresponding path program 1 times [2024-11-02 12:37:45,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:45,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337082026] [2024-11-02 12:37:45,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms