./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_negated.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 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:07:04,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:07:04,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:07:04,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:07:04,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:07:04,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:07:04,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:07:04,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:07:04,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:07:04,681 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:07:04,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:07:04,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:07:04,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:07:04,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:07:04,682 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:07:04,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:07:04,683 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:07:04,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:04,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:07:04,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:07:04,684 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/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 -> 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 [2025-03-17 07:07:04,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:07:04,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:07:04,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:07:04,925 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:07:04,926 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:07:04,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-03-17 07:07:06,303 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac3acc4e/188f7212d33a4d7d81805d801b092202/FLAGea8e2328d [2025-03-17 07:07:06,722 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:07:06,723 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-03-17 07:07:06,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac3acc4e/188f7212d33a4d7d81805d801b092202/FLAGea8e2328d [2025-03-17 07:07:06,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac3acc4e/188f7212d33a4d7d81805d801b092202 [2025-03-17 07:07:06,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:07:06,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:07:06,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:06,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:07:06,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:07:06,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:06,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269e5e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:06, skipping insertion in model container [2025-03-17 07:07:06,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:06" (1/1) ... [2025-03-17 07:07:06,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:07:07,109 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_negated.i[4501,4514] [2025-03-17 07:07:07,117 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_negated.i[4561,4574] [2025-03-17 07:07:07,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:07,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,089 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:08,273 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:07:08,282 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_negated.i[4501,4514] [2025-03-17 07:07:08,284 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_negated.i[4561,4574] [2025-03-17 07:07:08,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-03-17 07:07:08,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:08,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-03-17 07:07:08,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:08,609 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:07:08,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08 WrapperNode [2025-03-17 07:07:08,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:08,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:08,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:07:08,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:07:08,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,729 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-03-17 07:07:08,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:08,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:07:08,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:07:08,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:07:08,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,746 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,805 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 14, 5, 257, 249, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 5, 0, 6, 16]. The 494 writes are split as follows [0, 2, 0, 257, 235, 0]. [2025-03-17 07:07:08,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:07:08,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:07:08,865 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:07:08,865 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:07:08,866 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (1/1) ... [2025-03-17 07:07:08,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:08,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:07:08,904 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) [2025-03-17 07:07:08,910 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 [2025-03-17 07:07:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:07:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:07:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:07:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:07:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:07:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:07:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:07:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:07:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:07:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:07:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:07:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:07:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:07:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:07:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:07:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:07:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-03-17 07:07:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:07:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:07:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:07:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:07:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:07:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:07:09,262 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:07:09,264 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:07:09,316 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:07:09,340 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:07:09,343 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:07:09,365 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:07:09,403 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-17 07:07:09,424 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-17 07:07:16,537 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8209: havoc aws_byte_cursor_from_array_#t~mem1080#1;havoc aws_byte_cursor_from_array_#t~mem1081#1.base, aws_byte_cursor_from_array_#t~mem1081#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset);havoc aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset; [2025-03-17 07:07:16,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9484: havoc aws_byte_cursor_from_string_#t~ret1346#1.base, aws_byte_cursor_from_string_#t~ret1346#1.offset;havoc aws_byte_cursor_from_string_#t~mem1347#1;havoc aws_byte_cursor_from_string_#t~ret1348#1.len, aws_byte_cursor_from_string_#t~ret1348#1.ptr.base, aws_byte_cursor_from_string_#t~ret1348#1.ptr.offset; [2025-03-17 07:07:16,562 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-17 07:07:16,562 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:07:16,570 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:07:16,571 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:07:16,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:16 BoogieIcfgContainer [2025-03-17 07:07:16,571 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:07:16,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:07:16,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:07:16,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:07:16,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:07:06" (1/3) ... [2025-03-17 07:07:16,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411c8b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:16, skipping insertion in model container [2025-03-17 07:07:16,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:08" (2/3) ... [2025-03-17 07:07:16,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411c8b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:16, skipping insertion in model container [2025-03-17 07:07:16,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:16" (3/3) ... [2025-03-17 07:07:16,580 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2025-03-17 07:07:16,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:07:16,595 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness_negated.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:07:16,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:07:16,647 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;@5bd3d7be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:07:16,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:07:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 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) [2025-03-17 07:07:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 07:07:16,656 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:07:16,657 INFO L218 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] [2025-03-17 07:07:16,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:07:16,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:07:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash 326974042, now seen corresponding path program 1 times [2025-03-17 07:07:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:07:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753629981] [2025-03-17 07:07:16,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:07:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:08:31,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 07:08:31,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 07:08:31,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:08:31,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:08:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 07:08:32,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:08:32,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753629981] [2025-03-17 07:08:32,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753629981] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:08:32,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818727618] [2025-03-17 07:08:32,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:08:32,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:08:32,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:08:32,760 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) [2025-03-17 07:08:32,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process