./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.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_eq_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:06:13,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:06:13,743 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:06:13,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:06:13,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:06:13,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:06:13,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:06:13,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:06:13,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:06:13,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:06:13,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:06:13,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:06:13,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:06:13,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:06:13,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:06:13,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:06:13,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:06:13,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:06:13,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:06:13,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:06:13,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:06:13,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:06:13,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:06:13,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:06:13,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:06:13,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:06:13,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:06:13,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:06:13,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:06:13,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:06:13,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:06:13,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:06:13,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:06:13,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:06:13,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:06:13,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:06:13,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:06:13,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:06:13,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:06:13,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2024-11-19 02:06:14,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:06:14,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:06:14,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:06:14,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:06:14,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:06:14,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-19 02:06:15,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:06:16,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:06:16,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-19 02:06:16,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3697d43/ec15c47a32e84b81834e44fa1cbc77fb/FLAGeb1f6ff68 [2024-11-19 02:06:16,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3697d43/ec15c47a32e84b81834e44fa1cbc77fb [2024-11-19 02:06:16,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:06:16,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:06:16,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:06:16,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:06:16,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:06:16,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:06:16" (1/1) ... [2024-11-19 02:06:16,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c4a4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:16, skipping insertion in model container [2024-11-19 02:06:16,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:06:16" (1/1) ... [2024-11-19 02:06:16,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:06:16,552 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_eq_harness_negated.i[4489,4502] [2024-11-19 02:06:16,559 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_eq_harness_negated.i[4549,4562] [2024-11-19 02:06:17,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,168 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:06:17,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:06:17,864 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_eq_harness_negated.i[4489,4502] [2024-11-19 02:06:17,865 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_eq_harness_negated.i[4549,4562] [2024-11-19 02:06:17,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,915 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,924 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:17,924 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:18,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-19 02:06:18,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:18,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:18,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-19 02:06:18,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:06:18,369 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:06:18,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18 WrapperNode [2024-11-19 02:06:18,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:06:18,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:06:18,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:06:18,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:06:18,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,576 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-11-19 02:06:18,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:06:18,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:06:18,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:06:18,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:06:18,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,684 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 66, 6, 9]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 0, 5]. The 497 writes are split as follows [0, 257, 232, 6, 2, 0]. [2024-11-19 02:06:18,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:06:18,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:06:18,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:06:18,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:06:18,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (1/1) ... [2024-11-19 02:06:18,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:06:18,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:06:18,823 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 02:06:18,826 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 02:06:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:06:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:06:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:06:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:06:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:06:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:06:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:06:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:06:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:06:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:06:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:06:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:06:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:06:18,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-19 02:06:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-19 02:06:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:06:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:06:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:06:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:06:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:06:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:06:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:06:18,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:06:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:06:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:06:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:06:18,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:06:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:06:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:06:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:06:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:06:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:06:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:06:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:06:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:06:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:06:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:06:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:06:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:06:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:06:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:06:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:06:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-19 02:06:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-19 02:06:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:06:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:06:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:06:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:06:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:06:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:06:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-19 02:06:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-19 02:06:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:06:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:06:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:06:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:06:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:06:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:06:19,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:06:19,256 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:06:27,975 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-19 02:06:27,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:06:27,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:06:27,993 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:06:27,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:06:27 BoogieIcfgContainer [2024-11-19 02:06:27,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:06:27,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:06:27,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:06:27,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:06:27,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:06:16" (1/3) ... [2024-11-19 02:06:28,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef90e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:06:27, skipping insertion in model container [2024-11-19 02:06:28,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:18" (2/3) ... [2024-11-19 02:06:28,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef90e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:06:28, skipping insertion in model container [2024-11-19 02:06:28,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:06:27" (3/3) ... [2024-11-19 02:06:28,003 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2024-11-19 02:06:28,019 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:06:28,020 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:06:28,109 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:06:28,116 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;@13e82c47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:06:28,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:06:28,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-19 02:06:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 02:06:28,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:06:28,136 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:06:28,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:06:28,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:06:28,143 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2024-11-19 02:06:28,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:06:28,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186210953] [2024-11-19 02:06:28,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:07:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:07:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-19 02:07:46,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:07:46,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186210953] [2024-11-19 02:07:46,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186210953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:07:46,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430763930] [2024-11-19 02:07:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:07:46,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:07:46,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:07:46,137 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 02:07:46,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process