./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_cursor_compare_lookup_harness.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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:11:38,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:11:38,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:11:38,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:11:38,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:11:38,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:11:38,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:11:38,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:11:38,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:11:38,941 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:11:38,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:11:38,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:11:38,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:11:38,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:11:38,947 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:11:38,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:11:38,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:11:38,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:11:38,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:11:38,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:11:38,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:11:38,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:11:38,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:11:38,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:11:38,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:11:38,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:11:38,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:11:38,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:11:38,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:11:38,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:38,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:11:38,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:11:38,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:11:38,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:11:38,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:11:38,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:11:38,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:11:38,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:11:38,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:11:38,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2024-11-22 14:11:39,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:11:39,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:11:39,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:11:39,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:11:39,167 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:11:39,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-22 14:11:40,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:11:40,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:11:40,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-22 14:11:40,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87bb6f8d/b6ff91ed523a4a8bb1884c69b8c3f07e/FLAGc658e483b [2024-11-22 14:11:40,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87bb6f8d/b6ff91ed523a4a8bb1884c69b8c3f07e [2024-11-22 14:11:40,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:11:40,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:11:40,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:40,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:11:40,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:11:40,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:40" (1/1) ... [2024-11-22 14:11:40,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668ff8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:40, skipping insertion in model container [2024-11-22 14:11:40,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:40" (1/1) ... [2024-11-22 14:11:41,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:11:41,272 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_cursor_compare_lookup_harness.i[4504,4517] [2024-11-22 14:11:41,278 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_cursor_compare_lookup_harness.i[4564,4577] [2024-11-22 14:11:41,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:41,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:42,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:11:42,242 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_cursor_compare_lookup_harness.i[4504,4517] [2024-11-22 14:11:42,243 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_cursor_compare_lookup_harness.i[4564,4577] [2024-11-22 14:11:42,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-22 14:11:42,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,388 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:42,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-22 14:11:42,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:42,736 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:11:42,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42 WrapperNode [2024-11-22 14:11:42,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:42,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:42,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:11:42,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:11:42,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:42,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:42,880 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-22 14:11:42,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:42,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:11:42,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:11:42,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:11:42,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:42,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:42,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:42,974 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 34, 4, 2, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 0, 0, 2, 0]. [2024-11-22 14:11:42,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:42,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:43,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:43,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:43,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:43,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:43,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:11:43,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:11:43,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:11:43,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:11:43,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (1/1) ... [2024-11-22 14:11:43,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:43,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:11:43,078 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) [2024-11-22 14:11:43,082 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 [2024-11-22 14:11:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:11:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:11:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:11:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:11:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:11:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:11:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:11:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:11:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:11:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:11:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 14:11:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-22 14:11:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-22 14:11:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:11:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:11:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:11:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:11:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:11:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 14:11:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:11:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:11:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-22 14:11:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-22 14:11:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:11:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 14:11:43,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:11:43,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:11:50,795 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-22 14:11:50,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:11:50,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:11:50,809 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:11:50,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:50 BoogieIcfgContainer [2024-11-22 14:11:50,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:11:50,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:11:50,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:11:50,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:11:50,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:11:40" (1/3) ... [2024-11-22 14:11:50,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19055127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:50, skipping insertion in model container [2024-11-22 14:11:50,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:42" (2/3) ... [2024-11-22 14:11:50,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19055127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:50, skipping insertion in model container [2024-11-22 14:11:50,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:50" (3/3) ... [2024-11-22 14:11:50,818 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2024-11-22 14:11:50,830 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:11:50,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:11:50,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:11:50,889 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;@33276a23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:11:50,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:11:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.2625) internal successors, (101), 81 states have internal predecessors, (101), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-22 14:11:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 14:11:50,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:11:50,904 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:11:50,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:11:50,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:11:50,910 INFO L85 PathProgramCache]: Analyzing trace with hash -912149048, now seen corresponding path program 1 times [2024-11-22 14:11:50,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:11:50,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122735693] [2024-11-22 14:11:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:11:50,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:13:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:13:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-22 14:13:06,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:13:06,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122735693] [2024-11-22 14:13:06,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122735693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:13:06,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368389111] [2024-11-22 14:13:06,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:13:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:13:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:13:06,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:13:06,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process