./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:04:35,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:04:35,237 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:04:35,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:04:35,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:04:35,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:04:35,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:04:35,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:04:35,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:04:35,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:04:35,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:04:35,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:04:35,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:04:35,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:04:35,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:04:35,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:04:35,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:04:35,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:04:35,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:04:35,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:04:35,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:04:35,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:04:35,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:04:35,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:04:35,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:04:35,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:04:35,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:04:35,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:04:35,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:04:35,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:35,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:04:35,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:04:35,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:04:35,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:04:35,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:04:35,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:04:35,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:04:35,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:04:35,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:04:35,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a [2024-11-19 02:04:35,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:04:35,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:04:35,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:04:35,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:04:35,594 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:04:35,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2024-11-19 02:04:37,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:04:37,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:04:37,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2024-11-19 02:04:37,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78ea716f/f8020c6fa2904cb782cd1856497069fc/FLAGcfa8368e8 [2024-11-19 02:04:37,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78ea716f/f8020c6fa2904cb782cd1856497069fc [2024-11-19 02:04:37,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:04:37,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:04:37,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:04:37,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:04:37,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:04:37,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:04:37" (1/1) ... [2024-11-19 02:04:37,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfbc15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:37, skipping insertion in model container [2024-11-19 02:04:37,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:04:37" (1/1) ... [2024-11-19 02:04:37,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:04:38,097 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_buf_append_with_lookup_harness.i[4505,4518] [2024-11-19 02:04:38,109 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_buf_append_with_lookup_harness.i[4565,4578] [2024-11-19 02:04:39,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:39,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:04:40,823 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:04:40,841 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_buf_append_with_lookup_harness.i[4505,4518] [2024-11-19 02:04:40,846 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_buf_append_with_lookup_harness.i[4565,4578] [2024-11-19 02:04:40,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:40,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:41,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:41,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:41,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2024-11-19 02:04:41,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:41,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:41,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2024-11-19 02:04:41,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:04:41,362 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:04:41,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41 WrapperNode [2024-11-19 02:04:41,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:04:41,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:04:41,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:04:41,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:04:41,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,558 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 972 [2024-11-19 02:04:41,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:04:41,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:04:41,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:04:41,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:04:41,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,664 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [257, 2, 238, 9, 9, 32, 20, 4, 1]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 5, 4, 2, 2, 0]. The 494 writes are split as follows [257, 0, 232, 0, 1, 3, 1, 0, 0]. [2024-11-19 02:04:41,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:04:41,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:04:41,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:04:41,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:04:41,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (1/1) ... [2024-11-19 02:04:41,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:04:41,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:04:41,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:04:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:04:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:04:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:04:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:04:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:04:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:04:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:04:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:04:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:04:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:04:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:04:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:04:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:04:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:04:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:04:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:04:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:04:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 02:04:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:04:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:04:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:04:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:04:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:04:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:04:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:04:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:04:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:04:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:04:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:04:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:04:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:04:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:04:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 02:04:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:04:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:04:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:04:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:04:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:04:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:04:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:04:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:04:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:04:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:04:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:04:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:04:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 02:04:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:04:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:04:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:04:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-19 02:04:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:04:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:04:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:04:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:04:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:04:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:04:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 02:04:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 02:04:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:04:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:04:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-19 02:04:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-19 02:04:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-19 02:04:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-19 02:04:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:04:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:04:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:04:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:04:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:04:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:04:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 02:04:42,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:04:42,283 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:04:51,127 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-19 02:04:51,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:04:51,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:04:51,145 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:04:51,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:51 BoogieIcfgContainer [2024-11-19 02:04:51,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:04:51,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:04:51,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:04:51,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:04:51,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:04:37" (1/3) ... [2024-11-19 02:04:51,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb6628a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:51, skipping insertion in model container [2024-11-19 02:04:51,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:41" (2/3) ... [2024-11-19 02:04:51,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb6628a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:51, skipping insertion in model container [2024-11-19 02:04:51,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:51" (3/3) ... [2024-11-19 02:04:51,157 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness.i [2024-11-19 02:04:51,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:04:51,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:04:51,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:04:51,236 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;@3d275e22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:04:51,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:04:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-19 02:04:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 02:04:51,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:04:51,251 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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] [2024-11-19 02:04:51,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:04:51,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:04:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash -454301623, now seen corresponding path program 1 times [2024-11-19 02:04:51,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:04:51,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906176939] [2024-11-19 02:04:51,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:04:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:06:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:06:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-19 02:06:05,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:06:05,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906176939] [2024-11-19 02:06:05,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906176939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:06:05,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366992126] [2024-11-19 02:06:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:05,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:06:05,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:06:05,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:06:05,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process