./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:03:39,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:03:39,521 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:03:39,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:03:39,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:03:39,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:03:39,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:03:39,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:03:39,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:03:39,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:03:39,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:03:39,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:03:39,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:03:39,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:03:39,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:03:39,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:03:39,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:03:39,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:03:39,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:03:39,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:03:39,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:03:39,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:03:39,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:03:39,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:03:39,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:03:39,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:03:39,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:03:39,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:03:39,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:03:39,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:03:39,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:03:39,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:03:39,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:03:39,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:03:39,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:03:39,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:03:39,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:03:39,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:03:39,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:03:39,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2024-11-22 14:03:39,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:03:39,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:03:39,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:03:39,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:03:39,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:03:39,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-22 14:03:41,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:03:41,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:03:41,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-22 14:03:41,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b953b5923/16424ea0c6c24066959bcbf556ec2d74/FLAGe3ddaef54 [2024-11-22 14:03:41,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b953b5923/16424ea0c6c24066959bcbf556ec2d74 [2024-11-22 14:03:41,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:03:41,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:03:41,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:03:41,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:03:41,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:03:41,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:03:41" (1/1) ... [2024-11-22 14:03:41,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0db150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:41, skipping insertion in model container [2024-11-22 14:03:41,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:03:41" (1/1) ... [2024-11-22 14:03:41,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:03:42,164 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_harness.i[4493,4506] [2024-11-22 14:03:42,173 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_harness.i[4553,4566] [2024-11-22 14:03:42,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:42,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:03:43,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:03:43,534 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_harness.i[4493,4506] [2024-11-22 14:03:43,535 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_harness.i[4553,4566] [2024-11-22 14:03:43,583 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-22 14:03:43,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:43,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-22 14:03:43,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:03:44,031 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:03:44,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44 WrapperNode [2024-11-22 14:03:44,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:03:44,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:03:44,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:03:44,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:03:44,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,227 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-22 14:03:44,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:03:44,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:03:44,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:03:44,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:03:44,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,353 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [2, 257, 9, 238, 9, 4, 22, 33]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 5, 6, 4, 2, 2, 4]. The 494 writes are split as follows [0, 257, 1, 232, 0, 0, 1, 3]. [2024-11-22 14:03:44,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:03:44,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:03:44,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:03:44,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:03:44,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (1/1) ... [2024-11-22 14:03:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:03:44,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:03:44,507 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) [2024-11-22 14:03:44,515 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 [2024-11-22 14:03:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:03:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:03:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:03:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:03:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:03:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:03:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-22 14:03:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:03:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:03:44,599 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:03:44,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:03:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 14:03:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-22 14:03:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-22 14:03:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:03:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:03:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:03:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:03:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:03:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:03:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:03:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:03:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:03:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:03:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:03:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 14:03:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:03:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:03:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-22 14:03:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:03:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:03:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:03:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:03:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:03:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 14:03:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:03:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:03:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-22 14:03:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-22 14:03:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:03:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:03:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:03:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:03:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:03:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:03:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:03:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 14:03:44,989 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:03:44,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:03:53,355 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-22 14:03:53,355 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:03:53,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:03:53,374 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:03:53,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:53 BoogieIcfgContainer [2024-11-22 14:03:53,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:03:53,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:03:53,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:03:53,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:03:53,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:03:41" (1/3) ... [2024-11-22 14:03:53,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488450d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:53, skipping insertion in model container [2024-11-22 14:03:53,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:44" (2/3) ... [2024-11-22 14:03:53,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488450d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:53, skipping insertion in model container [2024-11-22 14:03:53,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:53" (3/3) ... [2024-11-22 14:03:53,383 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2024-11-22 14:03:53,399 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:03:53,399 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:03:53,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:03:53,481 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;@32751a40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:03:53,481 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:03:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 108 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-22 14:03:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 14:03:53,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:03:53,502 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 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] [2024-11-22 14:03:53,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:03:53,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:03:53,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1551601725, now seen corresponding path program 1 times [2024-11-22 14:03:53,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:03:53,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397461925] [2024-11-22 14:03:53,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:05:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:05:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-22 14:05:07,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:05:07,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397461925] [2024-11-22 14:05:07,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397461925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:05:07,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611374699] [2024-11-22 14:05:07,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:05:07,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:05:07,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:05:07,402 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) [2024-11-22 14:05:07,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process