./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-wip.dd.update-z3-fca748b-m [2024-11-20 09:59:16,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:59:16,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:59:16,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:59:16,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:59:16,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:59:16,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:59:16,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:59:16,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:59:16,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:59:16,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:59:16,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:59:16,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:59:16,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:59:16,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:59:16,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:59:16,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:59:16,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:59:16,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:59:16,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:59:16,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:59:16,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:59:16,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:59:16,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:59:16,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:59:16,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:59:16,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:59:16,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:59:16,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:59:16,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:59:16,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:59:16,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:59:16,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:59:16,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:59:16,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:59:16,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:59:16,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:59:16,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:59:16,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:59:16,099 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2024-11-20 09:59:16,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:59:16,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:59:16,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:59:16,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:59:16,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:59:16,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-20 09:59:17,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:59:18,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:59:18,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-20 09:59:18,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732e49041/55859148091449eeaa74bee0afa3b955/FLAGc0cb62b15 [2024-11-20 09:59:18,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732e49041/55859148091449eeaa74bee0afa3b955 [2024-11-20 09:59:18,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:59:18,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:59:18,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:59:18,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:59:18,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:59:18,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:59:18" (1/1) ... [2024-11-20 09:59:18,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b61b7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:18, skipping insertion in model container [2024-11-20 09:59:18,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:59:18" (1/1) ... [2024-11-20 09:59:18,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:59:18,398 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-20 09:59:18,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-11-20 09:59:18,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:18,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:59:19,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:59:19,531 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-20 09:59:19,534 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-11-20 09:59:19,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-11-20 09:59:19,716 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:19,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-11-20 09:59:19,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:59:20,026 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:59:20,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20 WrapperNode [2024-11-20 09:59:20,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:59:20,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:59:20,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:59:20,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:59:20,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,183 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-11-20 09:59:20,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:59:20,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:59:20,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:59:20,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:59:20,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,204 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,280 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 09:59:20,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:59:20,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:59:20,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:59:20,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:59:20,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (1/1) ... [2024-11-20 09:59:20,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:59:20,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:59:20,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 09:59:20,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 09:59:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:59:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:59:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:59:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:59:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:59:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 09:59:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 09:59:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:59:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:59:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:59:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:59:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:59:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-20 09:59:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-20 09:59:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 09:59:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:59:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 09:59:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:59:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:59:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 09:59:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 09:59:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 09:59:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 09:59:20,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:59:20,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:59:28,226 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-20 09:59:28,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:59:28,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:59:28,238 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-20 09:59:28,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:59:28 BoogieIcfgContainer [2024-11-20 09:59:28,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:59:28,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:59:28,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:59:28,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:59:28,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:59:18" (1/3) ... [2024-11-20 09:59:28,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552e4d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:59:28, skipping insertion in model container [2024-11-20 09:59:28,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:20" (2/3) ... [2024-11-20 09:59:28,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552e4d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:59:28, skipping insertion in model container [2024-11-20 09:59:28,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:59:28" (3/3) ... [2024-11-20 09:59:28,244 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-11-20 09:59:28,256 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:59:28,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:59:28,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:59:28,303 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;@6fd9d225, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:59:28,303 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:59:28,307 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) [2024-11-20 09:59:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 09:59:28,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:59:28,315 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] [2024-11-20 09:59:28,316 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:59:28,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:59:28,320 INFO L85 PathProgramCache]: Analyzing trace with hash -835620094, now seen corresponding path program 1 times [2024-11-20 09:59:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:59:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449701570] [2024-11-20 09:59:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:59:28,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms