./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:25:18,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:25:18,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:25:18,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:25:18,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:25:18,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:25:18,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:25:18,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:25:18,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:25:18,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:25:18,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:25:18,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:25:18,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:25:18,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:25:18,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:25:18,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:25:18,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:25:18,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:25:18,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:25:18,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:25:18,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:25:18,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:25:18,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:25:18,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:25:18,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:25:18,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:25:18,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:25:18,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:25:18,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:25:18,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:25:18,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:25:18,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:25:18,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:25:18,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:25:18,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:25:18,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:25:18,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:25:18,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:25:18,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:25:18,930 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d [2024-11-22 14:25:19,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:25:19,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:25:19,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:25:19,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:25:19,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:25:19,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2024-11-22 14:25:20,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:25:21,086 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:25:21,088 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2024-11-22 14:25:21,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b69941a1/1f9308b587d2409e95df4145a839ee07/FLAGc98432be1 [2024-11-22 14:25:21,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b69941a1/1f9308b587d2409e95df4145a839ee07 [2024-11-22 14:25:21,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:25:21,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:25:21,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:25:21,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:25:21,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:25:21,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:21" (1/1) ... [2024-11-22 14:25:21,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f30a536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:21, skipping insertion in model container [2024-11-22 14:25:21,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:21" (1/1) ... [2024-11-22 14:25:21,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:25:21,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i[4496,4509] [2024-11-22 14:25:21,676 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i[4556,4569] [2024-11-22 14:25:22,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:22,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:25:23,350 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:25:23,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i[4496,4509] [2024-11-22 14:25:23,368 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i[4556,4569] [2024-11-22 14:25:23,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,415 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-22 14:25:23,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:23,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-22 14:25:23,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:25:23,878 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:25:23,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23 WrapperNode [2024-11-22 14:25:23,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:25:23,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:25:23,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:25:23,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:25:23,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,085 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-11-22 14:25:24,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:25:24,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:25:24,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:25:24,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:25:24,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,206 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 16, 257, 238, 16, 20]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 5, 0, 6, 16, 4]. The 494 writes are split as follows [0, 3, 257, 232, 0, 2]. [2024-11-22 14:25:24,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:25:24,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:25:24,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:25:24,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:25:24,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (1/1) ... [2024-11-22 14:25:24,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:25:24,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:25:24,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 14:25:24,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 14:25:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-22 14:25:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-22 14:25:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:25:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:25:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:25:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:25:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:25:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:25:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:25:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:25:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:25:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:25:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:25:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:25:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:25:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:25:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:25:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:25:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:25:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:25:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:25:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:25:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:25:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:25:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:25:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:25:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:25:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:25:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:25:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:25:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:25:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-22 14:25:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-22 14:25:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:25:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:25:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:25:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:25:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:25:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:25:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:25:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:25:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:25:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:25:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:25:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:25:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:25:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:25:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:25:24,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:25:24,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:25:32,615 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-22 14:25:32,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:25:32,632 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:25:32,632 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:25:32,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:32 BoogieIcfgContainer [2024-11-22 14:25:32,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:25:32,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:25:32,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:25:32,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:25:32,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:25:21" (1/3) ... [2024-11-22 14:25:32,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7c789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:32, skipping insertion in model container [2024-11-22 14:25:32,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:23" (2/3) ... [2024-11-22 14:25:32,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7c789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:32, skipping insertion in model container [2024-11-22 14:25:32,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:32" (3/3) ... [2024-11-22 14:25:32,644 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness_negated.i [2024-11-22 14:25:32,659 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:25:32,659 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:25:32,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:25:32,744 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;@1e5b2413, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:25:32,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:25:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-22 14:25:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 14:25:32,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:25:32,763 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:25:32,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:25:32,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:25:32,769 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2024-11-22 14:25:32,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:25:32,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904470921] [2024-11-22 14:25:32,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:25:32,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:26:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:26:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 14:26:41,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:26:41,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904470921] [2024-11-22 14:26:41,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904470921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:26:41,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503657132] [2024-11-22 14:26:41,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:26:41,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:26:41,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:26:41,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:26:41,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process