./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 c7c6ca5d 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_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-?-c7c6ca5-m [2024-11-09 03:10:29,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:10:29,397 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:10:29,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:10:29,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:10:29,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:10:29,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:10:29,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:10:29,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:10:29,422 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:10:29,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:10:29,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:10:29,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:10:29,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:10:29,424 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:10:29,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:10:29,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:10:29,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:10:29,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:10:29,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:10:29,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:10:29,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:10:29,427 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:10:29,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:10:29,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:10:29,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:10:29,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:10:29,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:10:29,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:10:29,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:10:29,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:10:29,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:10:29,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:10:29,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:10:29,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:10:29,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:10:29,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:10:29,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:10:29,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:10:29,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2024-11-09 03:10:29,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:10:29,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:10:29,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:10:29,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:10:29,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:10:29,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2024-11-09 03:10:31,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:10:31,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:10:31,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2024-11-09 03:10:31,837 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9f809e7/4aec09bc66a548e0a7edb9d9c05cd2ff/FLAGba6779470 [2024-11-09 03:10:31,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9f809e7/4aec09bc66a548e0a7edb9d9c05cd2ff [2024-11-09 03:10:31,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:10:31,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:10:31,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:10:31,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:10:31,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:10:31,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:10:31" (1/1) ... [2024-11-09 03:10:31,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba063f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:31, skipping insertion in model container [2024-11-09 03:10:31,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:10:31" (1/1) ... [2024-11-09 03:10:32,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:10:32,335 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] [2024-11-09 03:10:32,343 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] [2024-11-09 03:10:33,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,132 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,146 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:33,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:10:33,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:10:33,969 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] [2024-11-09 03:10:33,973 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] [2024-11-09 03:10:34,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,023 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,023 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-09 03:10:34,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:34,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-09 03:10:34,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:10:34,458 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:10:34,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34 WrapperNode [2024-11-09 03:10:34,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:10:34,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:10:34,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:10:34,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:10:34,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,644 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2024-11-09 03:10:34,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:10:34,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:10:34,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:10:34,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:10:34,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,756 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 5, 16, 249, 14]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 16, 6, 2]. The 494 writes are split as follows [0, 257, 0, 0, 235, 2]. [2024-11-09 03:10:34,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:10:34,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:10:34,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:10:34,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:10:34,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (1/1) ... [2024-11-09 03:10:34,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:10:34,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:10:34,956 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) [2024-11-09 03:10:34,959 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 [2024-11-09 03:10:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:10:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:10:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:10:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:10:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:10:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:10:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:10:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:10:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:10:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:10:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:10:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:10:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:10:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:10:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:10:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:10:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:10:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:10:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:10:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:10:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:10:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:10:35,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:10:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:10:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:10:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:10:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:10:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:10:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:10:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:10:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:10:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:10:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:10:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:10:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-09 03:10:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-09 03:10:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:10:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:10:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:10:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:10:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:10:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:10:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:10:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:10:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:10:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:10:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:10:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:10:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:10:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:10:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:10:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:10:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:10:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:10:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:10:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:10:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:10:35,326 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:10:35,329 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:10:43,691 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-09 03:10:43,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:10:43,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:10:43,710 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:10:43,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:43 BoogieIcfgContainer [2024-11-09 03:10:43,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:10:43,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:10:43,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:10:43,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:10:43,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:10:31" (1/3) ... [2024-11-09 03:10:43,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134d4472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:43, skipping insertion in model container [2024-11-09 03:10:43,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:34" (2/3) ... [2024-11-09 03:10:43,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134d4472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:43, skipping insertion in model container [2024-11-09 03:10:43,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:43" (3/3) ... [2024-11-09 03:10:43,721 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2024-11-09 03:10:43,740 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:10:43,741 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:10:43,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:10:43,830 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;@37b00a10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:10:43,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:10:43,837 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) [2024-11-09 03:10:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 03:10:43,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:10:43,848 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] [2024-11-09 03:10:43,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:10:43,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:10:43,853 INFO L85 PathProgramCache]: Analyzing trace with hash -886272952, now seen corresponding path program 1 times [2024-11-09 03:10:43,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:10:43,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526203448] [2024-11-09 03:10:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:10:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:12:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:12:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:12:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:12:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:12:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:12:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 03:12:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:12:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 03:12:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:12:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:12:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:12:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:12:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 03:12:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:12:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 03:12:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:12:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526203448] [2024-11-09 03:12:01,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526203448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:12:01,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:12:01,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:12:01,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286413818] [2024-11-09 03:12:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:12:01,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:12:01,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:12:01,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:12:01,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:12:01,813 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) [2024-11-09 03:12:06,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []