./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:13,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:13,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:15:13,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:13,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:13,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:13,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:13,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:13,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:13,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:13,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:13,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:13,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:13,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:13,645 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:13,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:13,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:13,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:13,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:13,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:13,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:13,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:13,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:13,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:13,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:13,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:13,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:13,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:13,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:13,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:13,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:13,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:13,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:13,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:13,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:13,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:13,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:13,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:13,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:13,663 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2024-10-31 22:15:13,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:13,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:13,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:13,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:13,986 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:13,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i Unable to find full path for "g++" [2024-10-31 22:15:16,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:16,638 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:16,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-10-31 22:15:16,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/data/495c95fd7/d3305d91d6db46088f70bd034a13ff5d/FLAG6b7409bfa [2024-10-31 22:15:16,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/data/495c95fd7/d3305d91d6db46088f70bd034a13ff5d [2024-10-31 22:15:16,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:16,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:16,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:16,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:16,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:16,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28622cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16, skipping insertion in model container [2024-10-31 22:15:16,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:17,164 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_8c49b322-d99d-4485-9cbf-cae33b4b1e96/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-10-31 22:15:17,174 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_8c49b322-d99d-4485-9cbf-cae33b4b1e96/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-10-31 22:15:18,105 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,106 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,106 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,107 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,109 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,127 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,128 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,130 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,131 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,887 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:18,888 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,010 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,011 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:19,186 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:19,208 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_8c49b322-d99d-4485-9cbf-cae33b4b1e96/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-10-31 22:15:19,209 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_8c49b322-d99d-4485-9cbf-cae33b4b1e96/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-10-31 22:15:19,315 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,316 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,316 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,317 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,317 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,324 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,324 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,325 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,326 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,404 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,405 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-10-31 22:15:19,470 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,470 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:19,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-10-31 22:15:19,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:19,727 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:19,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19 WrapperNode [2024-10-31 22:15:19,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:19,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:19,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:19,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:19,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:19,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:19,949 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-10-31 22:15:19,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:19,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:19,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:19,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:19,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:19,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:19,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,088 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-10-31 22:15:20,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:20,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:20,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:20,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:20,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (1/1) ... [2024-10-31 22:15:20,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:20,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:20,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c49b322-d99d-4485-9cbf-cae33b4b1e96/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:15:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:15:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:15:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:15:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:15:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-10-31 22:15:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:15:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:15:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:15:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:15:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:15:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:15:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:15:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:15:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:15:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-10-31 22:15:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-10-31 22:15:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-10-31 22:15:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-31 22:15:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-31 22:15:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:15:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-31 22:15:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-31 22:15:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:15:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-31 22:15:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:15:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:15:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-31 22:15:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-31 22:15:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:15:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:15:20,666 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:20,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:30,319 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:30,320 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:30,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:30,339 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-31 22:15:30,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:30 BoogieIcfgContainer [2024-10-31 22:15:30,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:30,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:30,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:30,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:30,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:16" (1/3) ... [2024-10-31 22:15:30,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248197de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:30, skipping insertion in model container [2024-10-31 22:15:30,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:19" (2/3) ... [2024-10-31 22:15:30,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248197de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:30, skipping insertion in model container [2024-10-31 22:15:30,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:30" (3/3) ... [2024-10-31 22:15:30,352 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-10-31 22:15:30,370 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:30,371 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:15:30,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:30,461 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d468da7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:30,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:15:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-31 22:15:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-31 22:15:30,481 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:30,482 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-31 22:15:30,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:30,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:30,490 INFO L85 PathProgramCache]: Analyzing trace with hash -835620094, now seen corresponding path program 1 times [2024-10-31 22:15:30,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:30,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522844667] [2024-10-31 22:15:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms