./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_from_string_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_from_string_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 c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:05:26,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:05:26,842 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:05:26,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:05:26,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:05:26,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:05:26,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:05:26,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:05:26,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:05:26,872 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:05:26,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:05:26,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:05:26,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:05:26,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:05:26,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:05:26,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:05:26,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:05:26,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:05:26,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:05:26,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:05:26,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:05:26,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:05:26,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:05:26,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:05:26,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:05:26,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:05:26,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:05:26,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:05:26,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:05:26,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:05:26,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:05:26,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:05:26,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:05:26,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:05:26,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:05:26,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:05:26,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:05:26,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:05:26,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:05:26,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2024-11-20 10:05:27,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:05:27,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:05:27,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:05:27,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:05:27,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:05:27,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2024-11-20 10:05:28,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:05:29,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:05:29,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2024-11-20 10:05:29,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13bc3fcc/4f4a958018684116957aee2bb49544ae/FLAG827780597 [2024-11-20 10:05:29,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13bc3fcc/4f4a958018684116957aee2bb49544ae [2024-11-20 10:05:29,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:05:29,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:05:29,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:05:29,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:05:29,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:05:29,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:29" (1/1) ... [2024-11-20 10:05:29,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637755ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:29, skipping insertion in model container [2024-11-20 10:05:29,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:29" (1/1) ... [2024-11-20 10:05:29,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:05:29,756 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_from_string_harness.i[4501,4514] [2024-11-20 10:05:29,765 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_from_string_harness.i[4561,4574] [2024-11-20 10:05:30,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:30,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:05:31,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:05:31,834 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_from_string_harness.i[4501,4514] [2024-11-20 10:05:31,839 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_from_string_harness.i[4561,4574] [2024-11-20 10:05:31,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,889 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:31,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:32,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-20 10:05:32,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:32,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:32,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-20 10:05:32,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:05:32,348 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:05:32,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32 WrapperNode [2024-11-20 10:05:32,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:05:32,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:05:32,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:05:32,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:05:32,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,555 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2024-11-20 10:05:32,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:05:32,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:05:32,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:05:32,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:05:32,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,708 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 14, 16, 249, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 2, 16, 6, 5]. The 494 writes are split as follows [0, 257, 2, 0, 235, 0]. [2024-11-20 10:05:32,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:05:32,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:05:32,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:05:32,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:05:32,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (1/1) ... [2024-11-20 10:05:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:05:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:05:32,867 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 10:05:32,872 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 10:05:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-20 10:05:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-20 10:05:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:05:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:05:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:05:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:05:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:05:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:05:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:05:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:05:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:05:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:05:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:05:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:05:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:05:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:05:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:05:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:05:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:05:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:05:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:05:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:05:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:05:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:05:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:05:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:05:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:05:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:05:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-20 10:05:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:05:32,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:05:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:05:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:05:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:05:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:05:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:05:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:05:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:05:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:05:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:05:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:05:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:05:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:05:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:05:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:05:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:05:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:05:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:05:33,258 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:05:33,262 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:05:41,869 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-20 10:05:41,870 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:05:41,886 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:05:41,887 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:05:41,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:41 BoogieIcfgContainer [2024-11-20 10:05:41,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:05:41,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:05:41,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:05:41,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:05:41,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:05:29" (1/3) ... [2024-11-20 10:05:41,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55358509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:05:41, skipping insertion in model container [2024-11-20 10:05:41,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:32" (2/3) ... [2024-11-20 10:05:41,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55358509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:05:41, skipping insertion in model container [2024-11-20 10:05:41,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:41" (3/3) ... [2024-11-20 10:05:41,898 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2024-11-20 10:05:41,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:05:41,916 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:05:41,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:05:41,996 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;@73c8941e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:05:41,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:05:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 10:05:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-20 10:05:42,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:05:42,014 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-20 10:05:42,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:05:42,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:05:42,020 INFO L85 PathProgramCache]: Analyzing trace with hash -886272952, now seen corresponding path program 1 times [2024-11-20 10:05:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:05:42,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067743809] [2024-11-20 10:05:42,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:05:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:06:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:59,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:06:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:59,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:06:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:59,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:06:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:07:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:07:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:07:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 10:07:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 10:07:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 10:07:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:07:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:07:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:07:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 10:07:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:07:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-20 10:07:00,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:07:00,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067743809] [2024-11-20 10:07:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067743809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:07:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:07:00,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:07:00,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7903315] [2024-11-20 10:07:00,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:07:00,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:07:00,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:07:00,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:07:00,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:07:00,230 INFO L87 Difference]: Start difference. First operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-20 10:07:04,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []