./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_new_from_c_str_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 d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:27:45,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:27:45,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:27:45,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:27:45,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:27:45,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:27:45,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:27:45,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:27:45,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:27:45,698 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:27:45,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:27:45,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:27:45,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:27:45,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:27:45,700 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:27:45,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:27:45,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:27:45,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:27:45,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:27:45,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:27:45,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:27:45,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:27:45,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:27:45,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:27:45,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:27:45,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:27:45,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:27:45,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:27:45,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:27:45,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:27:45,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:27:45,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:27:45,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:27:45,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:27:45,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:27:45,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:27:45,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:27:45,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:27:45,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:27:45,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd [2024-11-19 02:27:45,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:27:45,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:27:46,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:27:46,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:27:46,002 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:27:46,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2024-11-19 02:27:47,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:27:47,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:27:47,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2024-11-19 02:27:47,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67316aa1b/93a3dee76194498bb44d5a402be36c96/FLAG92ee3fa7b [2024-11-19 02:27:47,952 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67316aa1b/93a3dee76194498bb44d5a402be36c96 [2024-11-19 02:27:47,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:27:47,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:27:47,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:27:47,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:27:47,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:27:47,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:27:47" (1/1) ... [2024-11-19 02:27:47,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbcdd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:47, skipping insertion in model container [2024-11-19 02:27:47,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:27:47" (1/1) ... [2024-11-19 02:27:48,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:27:48,421 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_new_from_c_str_harness.i[4499,4512] [2024-11-19 02:27:48,434 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_new_from_c_str_harness.i[4559,4572] [2024-11-19 02:27:49,336 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:49,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:27:50,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:27:50,264 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_new_from_c_str_harness.i[4499,4512] [2024-11-19 02:27:50,265 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_new_from_c_str_harness.i[4559,4572] [2024-11-19 02:27:50,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-19 02:27:50,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:27:50,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-19 02:27:50,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:27:50,741 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:27:50,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50 WrapperNode [2024-11-19 02:27:50,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:27:50,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:27:50,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:27:50,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:27:50,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:50,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:50,950 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2024-11-19 02:27:50,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:27:50,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:27:50,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:27:50,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:27:50,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:50,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:50,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,069 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 238, 14, 2, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 4, 1, 0]. [2024-11-19 02:27:51,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:27:51,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:27:51,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:27:51,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:27:51,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (1/1) ... [2024-11-19 02:27:51,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:27:51,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:27:51,264 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) [2024-11-19 02:27:51,267 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 [2024-11-19 02:27:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:27:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:27:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:27:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:27:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-19 02:27:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 02:27:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:27:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 02:27:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 02:27:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 02:27:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 02:27:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 02:27:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 02:27:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 02:27:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 02:27:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:27:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:27:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:27:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:27:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:27:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:27:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:27:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:27:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:27:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:27:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:27:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:27:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:27:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:27:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:27:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:27:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 02:27:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 02:27:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 02:27:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 02:27:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 02:27:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 02:27:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:27:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:27:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:27:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:27:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:27:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:27:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:27:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:27:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:27:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:27:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-19 02:27:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-19 02:27:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:27:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-19 02:27:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-19 02:27:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:27:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:27:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:27:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:27:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:27:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:27:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-19 02:27:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-19 02:27:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:27:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:27:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-19 02:27:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-19 02:27:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:27:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:27:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:27:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:27:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:27:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:27:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:27:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:27:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:27:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:27:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:27:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:27:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:27:51,707 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:27:51,710 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:27:51,908 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-19 02:28:00,666 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-19 02:28:00,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:28:00,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:28:00,686 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 02:28:00,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:28:00 BoogieIcfgContainer [2024-11-19 02:28:00,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:28:00,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:28:00,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:28:00,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:28:00,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:27:47" (1/3) ... [2024-11-19 02:28:00,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b2fc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:28:00, skipping insertion in model container [2024-11-19 02:28:00,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:27:50" (2/3) ... [2024-11-19 02:28:00,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b2fc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:28:00, skipping insertion in model container [2024-11-19 02:28:00,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:28:00" (3/3) ... [2024-11-19 02:28:00,696 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness.i [2024-11-19 02:28:00,714 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:28:00,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:28:00,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:28:00,799 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;@3e6d89b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:28:00,801 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:28:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 02:28:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-19 02:28:00,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:28:00,818 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-19 02:28:00,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:28:00,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:28:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1565145841, now seen corresponding path program 1 times [2024-11-19 02:28:00,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:28:00,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876464964] [2024-11-19 02:28:00,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:28:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:29:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:29:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 02:29:19,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:29:19,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876464964] [2024-11-19 02:29:19,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876464964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:29:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540383078] [2024-11-19 02:29:19,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:29:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:29:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:29:19,235 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) [2024-11-19 02:29:19,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process