./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:00:38,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:00:38,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:00:38,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:00:38,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:00:38,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:00:38,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:00:38,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:00:38,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:00:38,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:00:38,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:00:38,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:00:38,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:00:38,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:00:38,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:00:38,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:00:38,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:00:38,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:00:38,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:00:38,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:00:38,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:00:38,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:00:38,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:00:38,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:00:38,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:00:38,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:00:38,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:00:38,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:00:38,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:00:38,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:38,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:00:38,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:00:38,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:00:38,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:00:38,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:00:38,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:00:38,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:00:38,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:00:38,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:00:38,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2024-11-12 09:00:39,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:00:39,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:00:39,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:00:39,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:00:39,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:00:39,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-12 09:00:40,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:00:40,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:00:40,725 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-12 09:00:40,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b2d4cc4/913419a78a024f89b8e23fab9afe45de/FLAGbffbbd72e [2024-11-12 09:00:40,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2b2d4cc4/913419a78a024f89b8e23fab9afe45de [2024-11-12 09:00:40,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:00:40,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:00:40,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:40,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:00:40,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:00:40,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:40" (1/1) ... [2024-11-12 09:00:40,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d885310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:40, skipping insertion in model container [2024-11-12 09:00:40,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:40" (1/1) ... [2024-11-12 09:00:40,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:00:41,063 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_cursor_harness.i[4499,4512] [2024-11-12 09:00:41,070 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_cursor_harness.i[4559,4572] [2024-11-12 09:00:41,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,708 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,708 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:41,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:42,402 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:00:42,413 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_cursor_harness.i[4499,4512] [2024-11-12 09:00:42,413 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_cursor_harness.i[4559,4572] [2024-11-12 09:00:42,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-12 09:00:42,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:42,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-12 09:00:42,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:42,737 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:00:42,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42 WrapperNode [2024-11-12 09:00:42,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:42,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:42,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:00:42,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:00:42,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:42,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:42,893 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-12 09:00:42,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:42,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:00:42,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:00:42,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:00:42,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:42,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:42,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:42,991 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 13, 257, 238, 16, 5, 12]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 0, 6, 16, 5, 0]. The 493 writes are split as follows [0, 1, 257, 232, 0, 0, 3]. [2024-11-12 09:00:42,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:42,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:43,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:43,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:43,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:43,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:43,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:00:43,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:00:43,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:00:43,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:00:43,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (1/1) ... [2024-11-12 09:00:43,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:43,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:00:43,066 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) [2024-11-12 09:00:43,071 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 [2024-11-12 09:00:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-12 09:00:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-12 09:00:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 09:00:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 09:00:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:00:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 09:00:43,108 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 09:00:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:00:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:00:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:00:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 09:00:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 09:00:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 09:00:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:00:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:00:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 09:00:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:00:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:00:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 09:00:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 09:00:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:00:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:00:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:00:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:00:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:00:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:00:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 09:00:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 09:00:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-12 09:00:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:00:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:00:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:00:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:00:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:00:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:00:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 09:00:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 09:00:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 09:00:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 09:00:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 09:00:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:00:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:00:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:00:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:00:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:00:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:00:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 09:00:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:00:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:00:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:00:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:00:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:00:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:00:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 09:00:43,360 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:00:43,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:00:50,424 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-12 09:00:50,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:00:50,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:00:50,435 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 09:00:50,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:50 BoogieIcfgContainer [2024-11-12 09:00:50,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:00:50,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:00:50,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:00:50,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:00:50,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:00:40" (1/3) ... [2024-11-12 09:00:50,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c81454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:50, skipping insertion in model container [2024-11-12 09:00:50,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:42" (2/3) ... [2024-11-12 09:00:50,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c81454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:50, skipping insertion in model container [2024-11-12 09:00:50,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:50" (3/3) ... [2024-11-12 09:00:50,442 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2024-11-12 09:00:50,454 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:00:50,454 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:00:50,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:00:50,515 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;@5b421530, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:00:50,516 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:00:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 09:00:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-12 09:00:50,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:00:50,530 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-12 09:00:50,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:00:50,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:00:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-12 09:00:50,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:00:50,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715046751] [2024-11-12 09:00:50,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:00:50,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:02:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:02:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 09:02:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:02:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 09:02:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:02:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 09:02:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 09:02:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 09:02:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 09:02:04,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:02:04,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715046751] [2024-11-12 09:02:04,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715046751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:02:04,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110835748] [2024-11-12 09:02:04,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:02:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:02:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:02:04,311 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) [2024-11-12 09:02:04,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process