./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_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_write_be32_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 a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:51:42,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:51:42,497 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:51:42,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:51:42,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:51:42,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:51:42,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:51:42,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:51:42,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:51:42,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:51:42,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:51:42,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:51:42,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:51:42,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:51:42,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:51:42,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:51:42,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:51:42,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:51:42,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:51:42,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:51:42,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:51:42,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:51:42,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:51:42,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:51:42,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:51:42,546 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:51:42,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:51:42,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:51:42,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:51:42,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:51:42,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:51:42,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:51:42,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:51:42,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:51:42,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:51:42,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:51:42,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:51:42,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:51:42,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:51:42,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2024-11-10 10:51:42,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:51:42,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:51:42,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:51:42,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:51:42,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:51:42,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2024-11-10 10:51:44,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:51:44,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:51:44,856 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2024-11-10 10:51:44,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448809098/25825c6e5f2749c4be629b205db8e129/FLAGd4059647c [2024-11-10 10:51:44,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448809098/25825c6e5f2749c4be629b205db8e129 [2024-11-10 10:51:44,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:51:44,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:51:44,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:51:44,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:51:44,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:51:44,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:44" (1/1) ... [2024-11-10 10:51:44,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1240af84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:44, skipping insertion in model container [2024-11-10 10:51:44,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:44" (1/1) ... [2024-11-10 10:51:45,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:51:45,420 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_write_be32_harness_negated.i[4497,4510] [2024-11-10 10:51:45,433 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_write_be32_harness_negated.i[4557,4570] [2024-11-10 10:51:46,119 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,120 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,120 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,121 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,135 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,136 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,137 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,138 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,843 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,844 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:46,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:51:46,991 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:51:47,011 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_write_be32_harness_negated.i[4497,4510] [2024-11-10 10:51:47,012 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_write_be32_harness_negated.i[4557,4570] [2024-11-10 10:51:47,105 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,105 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,106 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,106 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,107 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,112 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,112 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,113 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,113 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-10 10:51:47,225 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,225 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:47,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-10 10:51:47,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:51:47,446 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:51:47,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47 WrapperNode [2024-11-10 10:51:47,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:51:47,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:51:47,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:51:47,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:51:47,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,633 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2024-11-10 10:51:47,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:51:47,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:51:47,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:51:47,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:51:47,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,736 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 8, 47, 6, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 8, 0, 0]. The 497 writes are split as follows [0, 257, 232, 1, 3, 2, 2]. [2024-11-10 10:51:47,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,811 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:51:47,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:51:47,861 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:51:47,861 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:51:47,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (1/1) ... [2024-11-10 10:51:47,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:51:47,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:51:47,956 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 10:51:47,964 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 10:51:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:51:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:51:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2024-11-10 10:51:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2024-11-10 10:51:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:51:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:51:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:51:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:51:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:51:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:51:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:51:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:51:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:51:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:51:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:51:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:51:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:51:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:51:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:51:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:51:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:51:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:51:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:51:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:51:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:51:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:51:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:51:48,078 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:51:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:51:48,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:51:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:51:48,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:51:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:51:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:51:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:51:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:51:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:51:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:51:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:51:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:51:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:51:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:51:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:51:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:51:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:51:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:51:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:51:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-10 10:51:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-10 10:51:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:51:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:51:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:51:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:51:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:51:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:51:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:51:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:51:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:51:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:51:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:51:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:51:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:51:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:51:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:51:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:51:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:51:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:51:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:51:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:51:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:51:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:51:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:51:48,437 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:51:48,440 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:51:48,485 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:51:48,622 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2024-11-10 10:51:48,633 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc #t~nondet243; [2024-11-10 10:51:48,642 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:51:48,650 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2024-11-10 10:51:56,834 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:51:56,835 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:51:56,835 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8559: havoc aws_byte_buf_write_be32_#t~ret1206#1;call ULTIMATE.dealloc(aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset);havoc aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset; [2024-11-10 10:51:56,835 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc nondet_uint32_t_#t~nondet8#1; [2024-11-10 10:51:56,904 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-10 10:51:56,905 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:51:56,922 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:51:56,922 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:51:56,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:51:56 BoogieIcfgContainer [2024-11-10 10:51:56,923 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:51:56,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:51:56,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:51:56,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:51:56,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:51:44" (1/3) ... [2024-11-10 10:51:56,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f8e0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:51:56, skipping insertion in model container [2024-11-10 10:51:56,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:47" (2/3) ... [2024-11-10 10:51:56,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f8e0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:51:56, skipping insertion in model container [2024-11-10 10:51:56,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:51:56" (3/3) ... [2024-11-10 10:51:56,933 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2024-11-10 10:51:56,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:51:56,950 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:51:57,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:51:57,041 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;@278be64d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:51:57,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:51:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 10:51:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 10:51:57,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:51:57,059 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2024-11-10 10:51:57,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:51:57,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:51:57,064 INFO L85 PathProgramCache]: Analyzing trace with hash 247180910, now seen corresponding path program 1 times [2024-11-10 10:51:57,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:51:57,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391782534] [2024-11-10 10:51:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:51:57,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:53:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 10:53:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 10:53:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 10:53:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:53:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 10:53:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:53:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:53:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:53:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:53:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 10:53:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 10:53:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 10:53:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-10 10:53:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-10 10:53:17,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:53:17,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391782534] [2024-11-10 10:53:17,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391782534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:53:17,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:53:17,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:53:17,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282667773] [2024-11-10 10:53:17,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:53:17,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:53:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:53:17,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:53:17,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:53:17,607 INFO L87 Difference]: Start difference. First operand has 138 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 10:53:21,840 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 []