./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:03:06,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:03:06,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:03:06,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:03:06,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:03:06,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:03:06,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:03:06,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:03:06,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:03:06,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:03:06,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:03:06,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:03:06,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:03:06,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:03:06,616 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:03:06,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:03:06,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:03:06,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:03:06,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:03:06,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:03:06,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:03:06,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:03:06,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:03:06,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:03:06,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:03:06,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:03:06,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:03:06,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:03:06,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:03:06,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:03:06,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:03:06,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:03:06,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:03:06,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:03:06,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:03:06,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:03:06,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:03:06,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:03:06,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:03:06,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2024-11-20 10:03:06,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:03:06,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:03:06,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:03:06,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:03:06,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:03:06,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2024-11-20 10:03:08,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:03:08,572 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:03:08,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2024-11-20 10:03:08,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0822048/2410c93212b64cb79966530a5aa18a35/FLAG8f575f3b5 [2024-11-20 10:03:08,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0822048/2410c93212b64cb79966530a5aa18a35 [2024-11-20 10:03:08,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:03:08,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:03:08,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:03:08,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:03:08,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:03:08,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:03:08" (1/1) ... [2024-11-20 10:03:08,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71eb75d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:08, skipping insertion in model container [2024-11-20 10:03:08,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:03:08" (1/1) ... [2024-11-20 10:03:08,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:03:08,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4501,4514] [2024-11-20 10:03:08,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4561,4574] [2024-11-20 10:03:09,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,565 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,566 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,567 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,569 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:09,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:03:10,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:03:10,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4501,4514] [2024-11-20 10:03:10,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4561,4574] [2024-11-20 10:03:10,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-20 10:03:10,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:10,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-20 10:03:10,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:03:10,631 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:03:10,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10 WrapperNode [2024-11-20 10:03:10,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:03:10,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:03:10,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:03:10,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:03:10,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,789 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2024-11-20 10:03:10,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:03:10,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:03:10,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:03:10,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:03:10,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,883 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [257, 22, 2, 238, 38, 9, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 2, 2, 6, 8, 5, 0]. The 494 writes are split as follows [257, 1, 0, 232, 2, 0, 2]. [2024-11-20 10:03:10,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:03:10,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:03:10,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:03:10,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:03:10,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (1/1) ... [2024-11-20 10:03:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:03:10,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:03:11,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 10:03:11,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 10:03:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:03:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:03:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:03:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:03:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:03:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:03:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:03:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:03:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:03:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:03:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:03:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 10:03:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:03:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:03:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:03:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:03:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:03:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:03:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:03:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:03:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:03:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:03:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:03:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:03:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:03:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:03:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:03:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:03:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:03:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:03:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:03:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:03:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:03:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:03:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-20 10:03:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:03:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:03:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:03:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:03:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:03:11,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:03:11,332 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:03:19,009 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-20 10:03:19,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:03:19,025 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:03:19,025 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:03:19,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:03:19 BoogieIcfgContainer [2024-11-20 10:03:19,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:03:19,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:03:19,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:03:19,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:03:19,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:03:08" (1/3) ... [2024-11-20 10:03:19,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4175ff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:03:19, skipping insertion in model container [2024-11-20 10:03:19,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:10" (2/3) ... [2024-11-20 10:03:19,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4175ff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:03:19, skipping insertion in model container [2024-11-20 10:03:19,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:03:19" (3/3) ... [2024-11-20 10:03:19,033 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2024-11-20 10:03:19,046 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:03:19,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:03:19,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:03:19,104 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;@2a7a4d31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:03:19,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:03:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 10:03:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-20 10:03:19,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:03:19,124 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:03:19,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:03:19,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:03:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1357620753, now seen corresponding path program 1 times [2024-11-20 10:03:19,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:03:19,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662349656] [2024-11-20 10:03:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:03:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:04:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:04:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:04:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:37,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 10:04:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:04:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 10:04:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 10:04:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 10:04:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:04:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 10:04:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 10:04:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 10:04:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 10:04:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 10:04:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 10:04:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 10:04:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:04:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 10:04:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:04:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:04:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 10:04:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-20 10:04:38,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:04:38,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662349656] [2024-11-20 10:04:38,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662349656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:04:38,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968962787] [2024-11-20 10:04:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:04:38,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:04:38,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:04:38,494 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) [2024-11-20 10:04:38,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process