./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:49:15,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:49:15,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:49:15,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:49:15,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:49:15,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:49:15,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:49:15,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:49:15,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:49:15,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:49:15,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:49:15,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:49:15,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:49:15,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:49:15,719 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:49:15,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:49:15,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:49:15,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:49:15,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:49:15,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:49:15,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:49:15,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:49:15,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:49:15,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:49:15,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:49:15,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:49:15,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:49:15,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:49:15,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:49:15,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:49:15,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:49:15,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:49:15,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:49:15,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:49:15,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:49:15,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:49:15,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:49:15,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:49:15,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:49:15,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 [2024-11-12 08:49:16,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:49:16,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:49:16,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:49:16,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:49:16,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:49:16,033 INFO L431 ainManager$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 [2024-11-12 08:49:17,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:49:18,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:49:18,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2024-11-12 08:49:18,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2f8f704/da51a9b968bd4321850f3bd1359451f7/FLAG75f841616 [2024-11-12 08:49:18,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2f8f704/da51a9b968bd4321850f3bd1359451f7 [2024-11-12 08:49:18,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:49:18,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:49:18,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:49:18,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:49:18,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:49:18,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:49:18" (1/1) ... [2024-11-12 08:49:18,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a4ec32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:18, skipping insertion in model container [2024-11-12 08:49:18,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:49:18" (1/1) ... [2024-11-12 08:49:18,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:49:18,569 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] [2024-11-12 08:49:18,578 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] [2024-11-12 08:49:19,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,363 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:19,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:49:19,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:49:20,013 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] [2024-11-12 08:49:20,018 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] [2024-11-12 08:49:20,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,066 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-12 08:49:20,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:20,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-12 08:49:20,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:49:20,675 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:49:20,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20 WrapperNode [2024-11-12 08:49:20,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:49:20,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:49:20,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:49:20,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:49:20,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:20,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:20,907 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2024-11-12 08:49:20,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:49:20,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:49:20,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:49:20,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:49:20,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:20,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:20,938 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,021 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 5, 16, 249, 14]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 16, 6, 2]. The 494 writes are split as follows [0, 257, 0, 0, 235, 2]. [2024-11-12 08:49:21,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:49:21,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:49:21,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:49:21,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:49:21,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (1/1) ... [2024-11-12 08:49:21,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:49:21,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:49:21,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 08:49:21,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 08:49:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-12 08:49:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-12 08:49:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 08:49:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 08:49:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-12 08:49:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:49:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:49:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:49:21,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:49:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:49:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:49:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:49:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-12 08:49:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-12 08:49:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:49:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:49:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:49:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:49:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:49:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:49:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:49:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:49:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:49:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:49:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:49:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:49:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:49:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:49:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:49:21,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:49:21,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:49:29,695 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-12 08:49:29,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:49:29,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:49:29,714 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:49:29,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:49:29 BoogieIcfgContainer [2024-11-12 08:49:29,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:49:29,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:49:29,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:49:29,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:49:29,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:49:18" (1/3) ... [2024-11-12 08:49:29,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e812e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:49:29, skipping insertion in model container [2024-11-12 08:49:29,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:20" (2/3) ... [2024-11-12 08:49:29,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e812e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:49:29, skipping insertion in model container [2024-11-12 08:49:29,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:49:29" (3/3) ... [2024-11-12 08:49:29,727 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2024-11-12 08:49:29,744 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:49:29,744 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:49:29,813 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:49:29,820 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;@63b686b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:49:29,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:49:29,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 08:49:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 08:49:29,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:49:29,836 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, 1, 1] [2024-11-12 08:49:29,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:49:29,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:49:29,841 INFO L85 PathProgramCache]: Analyzing trace with hash -886272952, now seen corresponding path program 1 times [2024-11-12 08:49:29,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:49:29,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114488529] [2024-11-12 08:49:29,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:49:29,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:50:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:49,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:50:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:50:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:50:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:50:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:50:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 08:50:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 08:50:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 08:50:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 08:50:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:50:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:50:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 08:50:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 08:50:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:50:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-12 08:50:50,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:50:50,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114488529] [2024-11-12 08:50:50,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114488529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:50:50,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:50:50,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:50:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449615411] [2024-11-12 08:50:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:50:50,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:50:50,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:50:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:50:50,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:50:50,311 INFO L87 Difference]: Start difference. First operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-12 08:50:54,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []