./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 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_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-?-c7c6ca5-m [2024-11-09 02:59:39,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:59:39,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:59:39,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:59:39,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:59:39,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:59:39,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:59:39,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:59:39,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:59:39,913 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:59:39,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:59:39,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:59:39,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:59:39,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:59:39,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:59:39,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:59:39,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:59:39,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:59:39,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:59:39,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:59:39,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:59:39,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:59:39,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:59:39,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:59:39,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:59:39,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:59:39,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:59:39,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:59:39,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:59:39,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:59:39,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:59:39,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:59:39,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:59:39,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:59:39,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:59:39,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:59:39,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:59:39,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:59:39,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:59:39,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f [2024-11-09 02:59:40,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:59:40,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:59:40,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:59:40,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:59:40,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:59:40,271 INFO L431 ainManager$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 [2024-11-09 02:59:41,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:59:42,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:59:42,505 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-09 02:59:42,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecabfcfa6/2aa16090355245de8208340a8a5139e3/FLAGc7bea338a [2024-11-09 02:59:42,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecabfcfa6/2aa16090355245de8208340a8a5139e3 [2024-11-09 02:59:42,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:59:42,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:59:42,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:59:42,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:59:42,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:59:42,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:42" (1/1) ... [2024-11-09 02:59:42,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd3576b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:42, skipping insertion in model container [2024-11-09 02:59:42,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:42" (1/1) ... [2024-11-09 02:59:42,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:59:43,093 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] [2024-11-09 02:59:43,104 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] [2024-11-09 02:59:44,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,709 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:59:44,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:59:44,869 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] [2024-11-09 02:59:44,870 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] [2024-11-09 02:59:44,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:44,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:45,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 02:59:45,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:45,033 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:45,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 02:59:45,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:59:45,489 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:59:45,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45 WrapperNode [2024-11-09 02:59:45,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:59:45,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:59:45,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:59:45,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:59:45,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,781 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-11-09 02:59:45,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:59:45,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:59:45,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:59:45,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:59:45,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,915 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [257, 2, 81, 6, 245]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 12, 0, 11]. The 508 writes are split as follows [257, 0, 17, 2, 232]. [2024-11-09 02:59:45,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:45,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:46,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:46,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:59:46,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:59:46,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:59:46,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:59:46,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (1/1) ... [2024-11-09 02:59:46,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:59:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:46,081 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 02:59:46,088 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 02:59:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 02:59:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 02:59:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:59:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:59:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:59:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:59:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:59:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:59:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:59:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:59:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:59:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:59:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:59:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:59:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:59:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:59:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:59:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:59:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 02:59:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 02:59:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:59:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:59:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:59:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:59:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:59:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:59:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:59:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:59:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:59:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:59:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:59:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:59:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-09 02:59:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-09 02:59:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-09 02:59:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-09 02:59:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-09 02:59:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:59:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:59:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:59:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:59:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:59:46,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:59:46,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:59:55,766 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-09 02:59:55,766 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:59:55,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:59:55,788 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 02:59:55,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:55 BoogieIcfgContainer [2024-11-09 02:59:55,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:59:55,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:59:55,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:59:55,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:59:55,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:59:42" (1/3) ... [2024-11-09 02:59:55,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d727eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:55, skipping insertion in model container [2024-11-09 02:59:55,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:45" (2/3) ... [2024-11-09 02:59:55,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d727eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:55, skipping insertion in model container [2024-11-09 02:59:55,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:55" (3/3) ... [2024-11-09 02:59:55,800 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness_negated.i [2024-11-09 02:59:55,822 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:59:55,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:59:55,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:59:55,921 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;@19486978, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:59:55,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:59:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 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) [2024-11-09 02:59:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 02:59:55,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:55,944 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] [2024-11-09 02:59:55,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:55,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:55,951 INFO L85 PathProgramCache]: Analyzing trace with hash -613852057, now seen corresponding path program 1 times [2024-11-09 02:59:55,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:55,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083243225] [2024-11-09 02:59:55,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:55,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:01:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:01:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:01:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:01:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:01:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:01:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:01:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:01:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:01:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 03:01:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:01:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 03:01:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 03:01:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:01:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:01:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-09 03:01:17,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:01:17,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083243225] [2024-11-09 03:01:17,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083243225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:01:17,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:01:17,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:01:17,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419758169] [2024-11-09 03:01:17,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:01:17,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:01:17,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:01:17,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:01:17,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:01:17,735 INFO L87 Difference]: Start difference. First operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 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)