./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 03:01:58,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:01:58,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:01:58,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:01:58,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:01:58,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:01:58,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:01:58,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:01:58,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:01:58,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:01:58,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:01:58,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:01:58,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:01:58,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:01:58,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:01:58,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:01:58,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:01:58,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:01:58,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:01:58,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:01:58,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:01:58,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:01:58,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:01:58,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:01:58,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:01:58,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:01:58,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:01:58,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:01:58,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:01:58,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:01:58,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:01:58,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:01:58,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:01:58,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:01:58,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:01:58,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:01:58,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:01:58,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:01:58,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:01:58,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2024-11-09 03:01:59,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:01:59,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:01:59,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:01:59,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:01:59,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:01:59,107 INFO L431 ainManager$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 [2024-11-09 03:02:00,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:02:01,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:02:01,046 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-09 03:02:01,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d759433b5/9735b609105842d4affed38528835392/FLAG4b2b4e344 [2024-11-09 03:02:01,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d759433b5/9735b609105842d4affed38528835392 [2024-11-09 03:02:01,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:02:01,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:02:01,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:02:01,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:02:01,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:02:01,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:02:01" (1/1) ... [2024-11-09 03:02:01,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18984676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:01, skipping insertion in model container [2024-11-09 03:02:01,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:02:01" (1/1) ... [2024-11-09 03:02:01,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:02:01,581 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] [2024-11-09 03:02:01,590 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] [2024-11-09 03:02:02,389 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,933 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:02,934 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:02:03,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:02:03,094 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] [2024-11-09 03:02:03,098 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] [2024-11-09 03:02:03,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 03:02:03,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:02:03,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 03:02:03,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:02:03,536 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:02:03,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03 WrapperNode [2024-11-09 03:02:03,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:02:03,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:02:03,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:02:03,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:02:03,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:03,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:03,803 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-11-09 03:02:03,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:02:03,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:02:03,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:02:03,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:02:03,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:03,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:03,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:03,949 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 9, 66, 6]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 5, 16, 0]. The 497 writes are split as follows [0, 257, 232, 0, 6, 2]. [2024-11-09 03:02:03,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:03,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:04,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:04,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:04,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:04,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:04,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:02:04,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:02:04,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:02:04,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:02:04,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (1/1) ... [2024-11-09 03:02:04,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:02:04,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:02:04,090 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) [2024-11-09 03:02:04,093 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 [2024-11-09 03:02:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:02:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:02:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:02:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:02:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:02:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:02:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:02:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:02:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:02:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:02:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:02:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:02:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:02:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:02:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:02:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:02:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:02:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 03:02:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 03:02:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:02:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:02:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:02:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:02:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:02:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:02:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:02:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:02:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:02:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:02:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 03:02:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 03:02:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:02:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:02:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-09 03:02:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:02:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-09 03:02:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:02:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:02:04,472 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:02:04,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:02:13,259 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 03:02:13,260 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:02:13,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:02:13,280 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:02:13,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:02:13 BoogieIcfgContainer [2024-11-09 03:02:13,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:02:13,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:02:13,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:02:13,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:02:13,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:02:01" (1/3) ... [2024-11-09 03:02:13,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1905df71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:02:13, skipping insertion in model container [2024-11-09 03:02:13,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:03" (2/3) ... [2024-11-09 03:02:13,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1905df71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:02:13, skipping insertion in model container [2024-11-09 03:02:13,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:02:13" (3/3) ... [2024-11-09 03:02:13,291 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2024-11-09 03:02:13,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:02:13,308 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:02:13,365 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:02:13,371 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;@5a67de6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:02:13,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:02:13,376 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) [2024-11-09 03:02:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 03:02:13,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:02:13,392 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] [2024-11-09 03:02:13,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:02:13,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:02:13,397 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2024-11-09 03:02:13,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:02:13,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737937037] [2024-11-09 03:02:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:02:13,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:03:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:03:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:03:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:03:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:03:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:03:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:03:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:03:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:03:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 03:03:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:03:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:03:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 03:03:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:03:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 03:03:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 03:03:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 03:03:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:03:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:03:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 03:03:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:03:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-09 03:03:34,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:03:34,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737937037] [2024-11-09 03:03:34,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737937037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:03:34,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:03:34,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:03:34,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511087821] [2024-11-09 03:03:34,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:03:34,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:03:34,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:03:34,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:03:34,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:03:34,845 INFO L87 Difference]: Start difference. First 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) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 03:03:39,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []