./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_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_secure_zero_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', '782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74'] 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_secure_zero_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 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:46:35,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:46:35,934 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:46:35,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:46:35,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:46:35,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:46:35,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:46:35,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:46:35,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:46:35,969 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:46:35,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:46:35,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:46:35,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:46:35,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:46:35,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:46:35,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:46:35,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:35,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:46:35,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:46:35,972 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 -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2024-11-07 11:46:36,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:46:36,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:46:36,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:46:36,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:46:36,213 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:46:36,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-07 11:46:37,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:46:37,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:46:37,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-07 11:46:37,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca46a62ab/eb27b25f6ada4cd1b40c94bb50fd4641/FLAGda313272d [2024-11-07 11:46:38,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca46a62ab/eb27b25f6ada4cd1b40c94bb50fd4641 [2024-11-07 11:46:38,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:46:38,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:46:38,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:38,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:46:38,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:46:38,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:38" (1/1) ... [2024-11-07 11:46:38,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e05d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:38, skipping insertion in model container [2024-11-07 11:46:38,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:38" (1/1) ... [2024-11-07 11:46:38,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:46:38,316 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_secure_zero_harness.i[4498,4511] [2024-11-07 11:46:38,325 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_secure_zero_harness.i[4558,4571] [2024-11-07 11:46:38,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,867 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,867 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:38,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:39,430 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:46:39,445 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_secure_zero_harness.i[4498,4511] [2024-11-07 11:46:39,445 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_secure_zero_harness.i[4558,4571] [2024-11-07 11:46:39,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,494 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-07 11:46:39,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:39,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-07 11:46:39,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:39,801 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:46:39,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39 WrapperNode [2024-11-07 11:46:39,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:39,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:39,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:46:39,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:46:39,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:39,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:39,951 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-07 11:46:39,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:39,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:46:39,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:46:39,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:46:39,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:39,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:39,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,023 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 7, 23]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 1, 3]. [2024-11-07 11:46:40,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:46:40,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:46:40,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:46:40,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:46:40,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (1/1) ... [2024-11-07 11:46:40,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:40,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:46:40,123 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 11:46:40,127 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 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:46:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:46:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:46:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:46:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-07 11:46:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:46:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:46:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:46:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:46:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:46:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:46:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-07 11:46:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-07 11:46:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:46:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:46:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:46:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:46:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:46:40,360 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:46:40,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:46:47,147 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-07 11:46:47,148 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:46:47,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:46:47,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:46:47,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:47 BoogieIcfgContainer [2024-11-07 11:46:47,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:46:47,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:46:47,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:46:47,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:46:47,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:46:38" (1/3) ... [2024-11-07 11:46:47,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dbce29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:47, skipping insertion in model container [2024-11-07 11:46:47,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:39" (2/3) ... [2024-11-07 11:46:47,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dbce29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:47, skipping insertion in model container [2024-11-07 11:46:47,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:47" (3/3) ... [2024-11-07 11:46:47,184 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2024-11-07 11:46:47,204 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:46:47,208 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:46:47,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:46:47,300 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;@3c578aa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:46:47,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:46:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 11:46:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 11:46:47,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:46:47,322 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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 11:46:47,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:46:47,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:46:47,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1770303730, now seen corresponding path program 1 times [2024-11-07 11:46:47,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:46:47,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782202387] [2024-11-07 11:46:47,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:46:47,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:48:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:18,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:48:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:18,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:48:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 11:48:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:48:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:48:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:48:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:48:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:48:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:48:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-07 11:48:19,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:48:19,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782202387] [2024-11-07 11:48:19,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782202387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:48:19,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:48:19,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:48:19,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418218577] [2024-11-07 11:48:19,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:48:19,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:48:19,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:48:19,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:48:19,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:48:19,151 INFO L87 Difference]: Start difference. First operand has 104 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 11:48:23,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []