./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.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_string_destroy_secure_harness_negated.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', '2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836'] 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_string_destroy_secure_harness_negated.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 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:03:21,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:03:21,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:03:21,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:03:21,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:03:21,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:03:21,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:03:21,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:03:21,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:03:21,159 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:03:21,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:03:21,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:03:21,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:03:21,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:03:21,161 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:03:21,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:03:21,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:03:21,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:03:21,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:03:21,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:03:21,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:03:21,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:21,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:03:21,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:03:21,163 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 -> 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 [2024-11-07 12:03:21,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:03:21,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:03:21,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:03:21,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:03:21,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:03:21,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2024-11-07 12:03:22,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:03:23,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:03:23,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2024-11-07 12:03:23,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d11212bc/d7a330087d434308aa09d58700460794/FLAG354620040 [2024-11-07 12:03:23,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d11212bc/d7a330087d434308aa09d58700460794 [2024-11-07 12:03:23,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:03:23,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:03:23,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:23,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:03:23,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:03:23,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:23" (1/1) ... [2024-11-07 12:03:23,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c03a85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:23, skipping insertion in model container [2024-11-07 12:03:23,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:23" (1/1) ... [2024-11-07 12:03:23,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:03:23,975 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_string_destroy_secure_harness_negated.i[4499,4512] [2024-11-07 12:03:23,984 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_string_destroy_secure_harness_negated.i[4559,4572] [2024-11-07 12:03:24,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:24,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:25,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:03:25,658 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_string_destroy_secure_harness_negated.i[4499,4512] [2024-11-07 12:03:25,659 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_string_destroy_secure_harness_negated.i[4559,4572] [2024-11-07 12:03:25,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,725 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-07 12:03:25,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:25,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-07 12:03:25,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:26,191 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:03:26,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26 WrapperNode [2024-11-07 12:03:26,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:26,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:26,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:03:26,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:03:26,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,417 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2024-11-07 12:03:26,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:26,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:03:26,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:03:26,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:03:26,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,531 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 12, 257, 238, 16, 6]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 6, 16, 5]. The 493 writes are split as follows [0, 4, 257, 232, 0, 0]. [2024-11-07 12:03:26,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:03:26,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:03:26,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:03:26,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:03:26,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (1/1) ... [2024-11-07 12:03:26,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:26,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:03:26,653 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 12:03:26,660 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 12:03:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:03:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:03:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:03:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:03:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:03:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:03:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:03:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:03:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:03:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:03:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:03:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:03:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:03:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:03:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:03:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:03:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:03:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:03:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:03:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:03:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:03:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:03:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:03:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:03:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:03:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:03:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:03:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:03:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:03:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:03:27,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:03:27,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:03:35,822 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-07 12:03:35,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:03:35,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:03:35,840 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:03:35,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:35 BoogieIcfgContainer [2024-11-07 12:03:35,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:03:35,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:03:35,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:03:35,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:03:35,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:03:23" (1/3) ... [2024-11-07 12:03:35,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb5010a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:35, skipping insertion in model container [2024-11-07 12:03:35,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:26" (2/3) ... [2024-11-07 12:03:35,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb5010a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:35, skipping insertion in model container [2024-11-07 12:03:35,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:35" (3/3) ... [2024-11-07 12:03:35,853 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2024-11-07 12:03:35,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:03:35,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:03:35,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:03:35,934 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;@e781840, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:03:35,935 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:03:35,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 12:03:35,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 12:03:35,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:35,951 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2024-11-07 12:03:35,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:03:35,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:35,956 INFO L85 PathProgramCache]: Analyzing trace with hash 69661278, now seen corresponding path program 1 times [2024-11-07 12:03:35,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:35,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734419951] [2024-11-07 12:03:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:04:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:04:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:04:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:04:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat