./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_advance_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 e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:45:57,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:45:57,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:45:57,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:45:57,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:45:57,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:45:57,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:45:57,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:45:57,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:45:57,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:45:57,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:45:57,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:45:57,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:45:57,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:45:57,154 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:45:57,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:45:57,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:45:57,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:45:57,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:45:57,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:45:57,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:45:57,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:45:57,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:45:57,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:45:57,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:45:57,159 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:45:57,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:45:57,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:45:57,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:45:57,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:45:57,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:45:57,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:45:57,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:45:57,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:45:57,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:45:57,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:45:57,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:45:57,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:45:57,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:45:57,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f [2024-11-10 10:45:57,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:45:57,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:45:57,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:45:57,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:45:57,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:45:57,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-10 10:45:59,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:45:59,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:45:59,541 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-10 10:45:59,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a9bc777/4391a09b73094bf79ffd62a5c45fe771/FLAG2ed08bc5d [2024-11-10 10:46:00,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a9bc777/4391a09b73094bf79ffd62a5c45fe771 [2024-11-10 10:46:00,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:46:00,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:46:00,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:46:00,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:46:00,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:46:00,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:00" (1/1) ... [2024-11-10 10:46:00,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8e297b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:00, skipping insertion in model container [2024-11-10 10:46:00,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:00" (1/1) ... [2024-11-10 10:46:00,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:46:00,590 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_advance_harness_negated.i[4494,4507] [2024-11-10 10:46:00,604 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_advance_harness_negated.i[4554,4567] [2024-11-10 10:46:01,548 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,550 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,550 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,551 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,552 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,566 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,568 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:01,569 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,245 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,247 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:46:02,402 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:46:02,421 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_advance_harness_negated.i[4494,4507] [2024-11-10 10:46:02,422 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_advance_harness_negated.i[4554,4567] [2024-11-10 10:46:02,541 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,541 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,542 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,542 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,543 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,556 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,558 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,559 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-10 10:46:02,761 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,762 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:02,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-10 10:46:02,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:46:03,060 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:46:03,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03 WrapperNode [2024-11-10 10:46:03,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:46:03,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:46:03,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:46:03,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:46:03,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,310 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 974 [2024-11-10 10:46:03,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:46:03,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:46:03,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:46:03,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:46:03,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,498 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [245, 6, 2, 257, 81]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [11, 0, 2, 0, 12]. The 508 writes are split as follows [232, 2, 0, 257, 17]. [2024-11-10 10:46:03,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,566 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:46:03,631 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:46:03,631 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:46:03,631 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:46:03,632 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (1/1) ... [2024-11-10 10:46:03,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:46:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:46:03,677 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) [2024-11-10 10:46:03,684 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 [2024-11-10 10:46:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:46:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:46:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:46:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:46:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:46:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:46:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:46:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:46:03,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:46:03,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:46:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:46:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:46:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:46:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:46:03,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:46:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:46:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:46:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:46:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:46:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:46:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:46:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:46:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:46:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:46:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-10 10:46:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-10 10:46:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:46:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:46:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:46:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:46:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:46:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:46:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:46:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:46:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:46:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:46:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:46:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:46:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:46:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-10 10:46:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:46:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:46:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:46:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:46:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:46:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-10 10:46:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-10 10:46:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-10 10:46:03,752 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-10 10:46:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:46:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:46:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:46:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:46:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:46:04,126 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:46:04,129 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:46:04,176 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:46:04,264 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2024-11-10 10:46:04,316 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2024-11-10 10:46:04,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:46:04,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem477; [2024-11-10 10:46:12,505 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8205: havoc aws_byte_buf_from_array_#t~mem1061#1;havoc aws_byte_buf_from_array_#t~mem1062#1.base, aws_byte_buf_from_array_#t~mem1062#1.offset;havoc aws_byte_buf_from_array_#t~mem1063#1;havoc aws_byte_buf_from_array_#t~mem1064#1.base, aws_byte_buf_from_array_#t~mem1064#1.offset;call ULTIMATE.dealloc(aws_byte_buf_from_array_~#buf~1#1.base, aws_byte_buf_from_array_~#buf~1#1.offset);havoc aws_byte_buf_from_array_~#buf~1#1.base, aws_byte_buf_from_array_~#buf~1#1.offset; [2024-11-10 10:46:12,506 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:46:12,594 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-10 10:46:12,594 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:46:12,615 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:46:12,615 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:46:12,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:46:12 BoogieIcfgContainer [2024-11-10 10:46:12,616 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:46:12,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:46:12,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:46:12,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:46:12,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:46:00" (1/3) ... [2024-11-10 10:46:12,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a01f6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:12, skipping insertion in model container [2024-11-10 10:46:12,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:03" (2/3) ... [2024-11-10 10:46:12,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a01f6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:12, skipping insertion in model container [2024-11-10 10:46:12,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:46:12" (3/3) ... [2024-11-10 10:46:12,624 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness_negated.i [2024-11-10 10:46:12,642 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:46:12,642 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:46:12,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:46:12,715 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;@446011a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:46:12,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:46:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 10:46:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 10:46:12,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:46:12,734 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2024-11-10 10:46:12,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:46:12,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:46:12,740 INFO L85 PathProgramCache]: Analyzing trace with hash -335918585, now seen corresponding path program 1 times [2024-11-10 10:46:12,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:46:12,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120140323] [2024-11-10 10:46:12,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:47:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:47:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:47:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:47:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:47:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 10:47:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:47:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 10:47:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 10:47:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 10:47:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 10:47:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 10:47:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 10:47:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 10:47:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 10:47:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:31,779 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-10 10:47:31,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:47:31,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120140323] [2024-11-10 10:47:31,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120140323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:47:31,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:47:31,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:47:31,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472040733] [2024-11-10 10:47:31,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:47:31,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:47:31,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:47:31,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:47:31,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:47:31,817 INFO L87 Difference]: Start difference. First operand has 174 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 10:47:36,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []