./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_from_c_str_harness-1.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 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:45:50,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:45:50,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:45:50,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:45:50,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:45:50,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:45:50,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:45:50,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:45:50,289 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:45:50,289 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:45:50,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:45:50,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:45:50,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:45:50,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:45:50,291 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:45:50,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:45:50,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:45:50,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:45:50,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:45:50,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:45:50,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:45:50,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:45:50,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:45:50,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:45:50,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:45:50,297 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:45:50,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:45:50,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:45:50,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:45:50,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:45:50,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:45:50,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:45:50,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:45:50,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:45:50,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:45:50,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:45:50,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:45:50,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:45:50,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:45:50,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 [2024-11-16 19:45:50,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:45:50,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:45:50,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:45:50,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:45:50,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:45:50,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2024-11-16 19:45:52,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:45:52,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:45:52,555 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2024-11-16 19:45:52,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996719fd9/0be55dda285044d78d11ef3de3e6cda6/FLAG5f431a609 [2024-11-16 19:45:52,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996719fd9/0be55dda285044d78d11ef3de3e6cda6 [2024-11-16 19:45:52,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:45:52,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:45:52,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:45:52,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:45:52,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:45:52,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:45:52" (1/1) ... [2024-11-16 19:45:52,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfb800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:52, skipping insertion in model container [2024-11-16 19:45:52,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:45:52" (1/1) ... [2024-11-16 19:45:52,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:45:53,033 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_from_c_str_harness-1.i[4497,4510] [2024-11-16 19:45:53,043 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_from_c_str_harness-1.i[4557,4570] [2024-11-16 19:45:54,000 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,001 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,002 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,002 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,003 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,036 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,037 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,039 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,039 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,639 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,640 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:45:54,797 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:45:54,815 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_from_c_str_harness-1.i[4497,4510] [2024-11-16 19:45:54,816 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_from_c_str_harness-1.i[4557,4570] [2024-11-16 19:45:54,852 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,852 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,862 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,863 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,863 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,864 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 19:45:54,986 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:54,987 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:55,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 19:45:55,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:45:55,252 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:45:55,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55 WrapperNode [2024-11-16 19:45:55,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:45:55,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:45:55,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:45:55,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:45:55,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,514 INFO L138 Inliner]: procedures = 679, calls = 2616, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 831 [2024-11-16 19:45:55,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:45:55,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:45:55,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:45:55,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:45:55,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,622 INFO L175 MemorySlicer]: Split 535 memory accesses to 5 slices as follows [2, 257, 241, 30, 5]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2024-11-16 19:45:55,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:45:55,676 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:45:55,677 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:45:55,677 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:45:55,677 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (1/1) ... [2024-11-16 19:45:55,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:45:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:45:55,719 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) [2024-11-16 19:45:55,721 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 [2024-11-16 19:45:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:45:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:45:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:45:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:45:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:45:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:45:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:45:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 19:45:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:45:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:45:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:45:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:45:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:45:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:45:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:45:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:45:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:45:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:45:55,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:45:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:45:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:45:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:45:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:45:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:45:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:45:56,048 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:45:56,050 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:45:56,086 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:45:56,089 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 19:45:56,092 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:45:56,148 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-16 19:45:56,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:46:03,869 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8200: havoc aws_byte_buf_from_c_str_#t~mem1053#1;havoc aws_byte_buf_from_c_str_#t~mem1054#1.base, aws_byte_buf_from_c_str_#t~mem1054#1.offset;havoc aws_byte_buf_from_c_str_#t~mem1055#1;havoc aws_byte_buf_from_c_str_#t~mem1056#1.base, aws_byte_buf_from_c_str_#t~mem1056#1.offset;call ULTIMATE.dealloc(aws_byte_buf_from_c_str_~#buf~0#1.base, aws_byte_buf_from_c_str_~#buf~0#1.offset);havoc aws_byte_buf_from_c_str_~#buf~0#1.base, aws_byte_buf_from_c_str_~#buf~0#1.offset; [2024-11-16 19:46:03,902 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-16 19:46:03,902 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:46:03,916 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:46:03,916 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:46:03,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:46:03 BoogieIcfgContainer [2024-11-16 19:46:03,917 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:46:03,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:46:03,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:46:03,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:46:03,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:45:52" (1/3) ... [2024-11-16 19:46:03,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66402233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:46:03, skipping insertion in model container [2024-11-16 19:46:03,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:55" (2/3) ... [2024-11-16 19:46:03,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66402233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:46:03, skipping insertion in model container [2024-11-16 19:46:03,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:46:03" (3/3) ... [2024-11-16 19:46:03,928 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_c_str_harness-1.i [2024-11-16 19:46:03,943 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:46:03,944 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:46:04,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:46:04,012 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;@3c06083, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:46:04,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:46:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 64 states have internal predecessors, (77), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 19:46:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-16 19:46:04,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:46:04,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:46:04,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:46:04,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:46:04,035 INFO L85 PathProgramCache]: Analyzing trace with hash -689234552, now seen corresponding path program 1 times [2024-11-16 19:46:04,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:46:04,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787747833] [2024-11-16 19:46:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:46:04,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:47:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:47:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:19,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 19:47:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:19,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:47:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:47:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 19:47:19,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:47:19,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787747833] [2024-11-16 19:47:19,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787747833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:47:19,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:47:19,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:47:19,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655111596] [2024-11-16 19:47:19,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:47:19,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:47:19,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:47:19,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:47:19,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:47:19,875 INFO L87 Difference]: Start difference. First operand has 93 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 64 states have internal predecessors, (77), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-16 19:47:20,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:47:20,242 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2024-11-16 19:47:20,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:47:20,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-11-16 19:47:20,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:47:20,254 INFO L225 Difference]: With dead ends: 178 [2024-11-16 19:47:20,254 INFO L226 Difference]: Without dead ends: 87 [2024-11-16 19:47:20,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:47:20,266 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 19:47:20,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 431 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 19:47:20,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-16 19:47:20,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-16 19:47:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 60 states have internal predecessors, (68), 21 states have call successors, (21), 7 states have call predecessors, (21), 8 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2024-11-16 19:47:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 109 transitions. [2024-11-16 19:47:20,310 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 109 transitions. Word has length 23 [2024-11-16 19:47:20,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:47:20,310 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 109 transitions. [2024-11-16 19:47:20,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-16 19:47:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2024-11-16 19:47:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-16 19:47:20,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:47:20,313 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 19:47:20,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:47:20,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:47:20,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:47:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1427786486, now seen corresponding path program 1 times [2024-11-16 19:47:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:47:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304723172] [2024-11-16 19:47:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:47:20,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms