./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 02:02:39,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:02:40,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:02:40,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:02:40,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:02:40,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:02:40,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:02:40,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:02:40,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:02:40,052 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:02:40,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:02:40,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:02:40,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:02:40,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:02:40,052 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:02:40,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:02:40,053 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:02:40,054 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:02:40,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:02:40,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:02:40,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:02:40,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:02:40,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:02:40,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:02:40,055 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2025-02-08 02:02:40,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:02:40,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:02:40,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:02:40,283 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:02:40,283 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:02:40,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-02-08 02:02:41,465 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd4964831/0e2ff09532044f2cb18d88f60ab25bb9/FLAG3f31be8ee [2025-02-08 02:02:42,001 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:02:42,002 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-02-08 02:02:42,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd4964831/0e2ff09532044f2cb18d88f60ab25bb9/FLAG3f31be8ee [2025-02-08 02:02:42,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd4964831/0e2ff09532044f2cb18d88f60ab25bb9 [2025-02-08 02:02:42,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:02:42,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:02:42,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:02:42,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:02:42,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:02:42,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:02:42" (1/1) ... [2025-02-08 02:02:42,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a24d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:42, skipping insertion in model container [2025-02-08 02:02:42,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:02:42" (1/1) ... [2025-02-08 02:02:42,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:02:42,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4499,4512] [2025-02-08 02:02:42,353 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4559,4572] [2025-02-08 02:02:42,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,907 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:42,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,339 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:02:43,478 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:02:43,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4499,4512] [2025-02-08 02:02:43,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4559,4572] [2025-02-08 02:02:43,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-08 02:02:43,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:02:43,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-02-08 02:02:43,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:02:43,817 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:02:43,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43 WrapperNode [2025-02-08 02:02:43,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:02:43,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:02:43,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:02:43,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:02:43,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:43,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:43,926 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2025-02-08 02:02:43,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:02:43,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:02:43,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:02:43,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:02:43,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:43,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:43,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:43,992 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 257, 238, 13, 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]. [2025-02-08 02:02:43,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:43,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:44,021 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:44,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:44,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:44,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:44,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:02:44,053 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:02:44,053 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:02:44,053 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:02:44,054 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (1/1) ... [2025-02-08 02:02:44,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:02:44,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:02:44,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 02:02:44,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 02:02:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:02:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:02:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-08 02:02:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 02:02:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:02:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 02:02:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:02:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:02:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:02:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 02:02:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:02:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 02:02:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 02:02:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:02:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:02:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 02:02:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 02:02:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 02:02:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 02:02:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 02:02:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:02:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-02-08 02:02:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:02:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 02:02:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:02:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:02:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:02:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:02:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:02:44,365 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:02:44,367 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:02:44,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:02:44,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:02:44,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 02:02:44,469 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:02:44,480 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-08 02:02:44,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:02:44,501 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-02-08 02:02:44,543 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-02-08 02:02:44,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-02-08 02:02:44,712 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 02:02:51,475 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2025-02-08 02:02:51,475 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:02:51,483 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:02:51,483 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:02:51,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:02:51 BoogieIcfgContainer [2025-02-08 02:02:51,484 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:02:51,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:02:51,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:02:51,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:02:51,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:02:42" (1/3) ... [2025-02-08 02:02:51,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2061babd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:02:51, skipping insertion in model container [2025-02-08 02:02:51,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:02:43" (2/3) ... [2025-02-08 02:02:51,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2061babd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:02:51, skipping insertion in model container [2025-02-08 02:02:51,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:02:51" (3/3) ... [2025-02-08 02:02:51,491 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2025-02-08 02:02:51,501 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:02:51,502 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_array_harness.i that has 22 procedures, 156 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-02-08 02:02:51,536 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:02:51,544 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;@36a69d0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:02:51,544 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:02:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 79 states have (on average 1.1898734177215189) internal successors, (94), 81 states have internal predecessors, (94), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 02:02:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 02:02:51,552 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:02:51,553 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-02-08 02:02:51,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:02:51,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:02:51,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1929769102, now seen corresponding path program 1 times [2025-02-08 02:02:51,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:02:51,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195190688] [2025-02-08 02:02:51,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:02:51,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:03:58,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 02:03:58,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 02:03:58,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:03:58,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:03:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 02:03:59,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:03:59,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195190688] [2025-02-08 02:03:59,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195190688] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:03:59,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531442195] [2025-02-08 02:03:59,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:03:59,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:03:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:03:59,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 02:03:59,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process