./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 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-4f9af40 [2024-11-07 11:46:13,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:46:13,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:46:13,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:46:13,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:46:13,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:46:13,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:46:13,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:46:13,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:46:13,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:46:13,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:46:13,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:46:13,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:46:13,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:46:13,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:46:13,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:46:13,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:13,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:46:13,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:46:13,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:46:13,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:46:13,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:46:13,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:46:13,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:46:13,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:46:13,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:46:13,472 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 [2024-11-07 11:46:13,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:46:13,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:46:13,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:46:13,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:46:13,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:46:13,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-07 11:46:14,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:46:15,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:46:15,265 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-07 11:46:15,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1adfb383/65644195b3f94a42a58581e48680e1af/FLAG5f64b2e27 [2024-11-07 11:46:15,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1adfb383/65644195b3f94a42a58581e48680e1af [2024-11-07 11:46:15,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:46:15,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:46:15,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:15,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:46:15,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:46:15,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:15" (1/1) ... [2024-11-07 11:46:15,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25229585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:15, skipping insertion in model container [2024-11-07 11:46:15,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:15" (1/1) ... [2024-11-07 11:46:15,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:46:15,643 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-07 11:46:15,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-11-07 11:46:16,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,248 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:16,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:46:16,861 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-07 11:46:16,865 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4563,4576] [2024-11-07 11:46:16,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,925 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,925 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,926 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:16,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:17,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-11-07 11:46:17,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:17,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:17,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-11-07 11:46:17,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:17,252 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:46:17,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17 WrapperNode [2024-11-07 11:46:17,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:17,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:17,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:46:17,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:46:17,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,379 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-11-07 11:46:17,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:17,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:46:17,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:46:17,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:46:17,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,456 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-07 11:46:17,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:46:17,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:46:17,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:46:17,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:46:17,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (1/1) ... [2024-11-07 11:46:17,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:17,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:46:17,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 11:46:17,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:46:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:46:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:46:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:46:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:46:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:46:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:46:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-07 11:46:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-07 11:46:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:46:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:46:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 11:46:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:46:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 11:46:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 11:46:17,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 11:46:17,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:46:17,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:46:25,201 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-07 11:46:25,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:46:25,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:46:25,210 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-07 11:46:25,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:25 BoogieIcfgContainer [2024-11-07 11:46:25,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:46:25,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:46:25,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:46:25,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:46:25,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:46:15" (1/3) ... [2024-11-07 11:46:25,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686cca50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:25, skipping insertion in model container [2024-11-07 11:46:25,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:17" (2/3) ... [2024-11-07 11:46:25,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686cca50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:25, skipping insertion in model container [2024-11-07 11:46:25,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:25" (3/3) ... [2024-11-07 11:46:25,219 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-11-07 11:46:25,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:46:25,230 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:46:25,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:46:25,288 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;@3edc21d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:46:25,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:46:25,293 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) [2024-11-07 11:46:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 11:46:25,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:46:25,301 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] [2024-11-07 11:46:25,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:46:25,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:46:25,305 INFO L85 PathProgramCache]: Analyzing trace with hash -835620094, now seen corresponding path program 1 times [2024-11-07 11:46:25,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:46:25,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141373111] [2024-11-07 11:46:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:46:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:47:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:47:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:47:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:47:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:47:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:47:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:47:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 11:47:35,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:47:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141373111] [2024-11-07 11:47:35,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141373111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:47:35,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:47:35,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:47:35,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785008318] [2024-11-07 11:47:35,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:47:35,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:47:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:47:35,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:47:35,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:47:35,661 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 11:47:39,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:47:44,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:47:47,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:47:47,485 INFO L93 Difference]: Finished difference Result 322 states and 457 transitions. [2024-11-07 11:47:47,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:47:47,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-07 11:47:47,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:47:47,493 INFO L225 Difference]: With dead ends: 322 [2024-11-07 11:47:47,493 INFO L226 Difference]: Without dead ends: 166 [2024-11-07 11:47:47,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:47:47,497 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 137 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 88 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-07 11:47:47,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 253 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2024-11-07 11:47:47,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-07 11:47:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 156. [2024-11-07 11:47:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 11:47:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 208 transitions. [2024-11-07 11:47:47,538 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 208 transitions. Word has length 47 [2024-11-07 11:47:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:47:47,540 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 208 transitions. [2024-11-07 11:47:47,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 11:47:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 208 transitions. [2024-11-07 11:47:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 11:47:47,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:47,542 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] [2024-11-07 11:47:47,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:47:47,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:47,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash 926397958, now seen corresponding path program 1 times [2024-11-07 11:47:47,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:47,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611256744] [2024-11-07 11:47:47,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:47,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms