./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_nospec_harness_negated.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_advance_nospec_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 78eb38d6bf3586b94afef9b9563a4418baaa3316932367911cecf1c3731c38b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:11:22,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:11:22,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:11:22,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:11:22,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:11:22,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:11:22,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:11:22,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:11:22,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:11:22,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:11:22,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:11:22,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:11:22,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:11:22,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:11:23,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:11:23,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:11:23,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:11:23,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:11:23,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:11:23,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:11:23,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:11:23,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:11:23,005 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:11:23,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:11:23,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:11:23,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:11:23,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:11:23,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:11:23,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:11:23,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:23,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:11:23,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:11:23,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eb38d6bf3586b94afef9b9563a4418baaa3316932367911cecf1c3731c38b2 [2024-11-22 14:11:23,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:11:23,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:11:23,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:11:23,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:11:23,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:11:23,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_nospec_harness_negated.i [2024-11-22 14:11:24,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:11:24,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:11:24,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_nospec_harness_negated.i [2024-11-22 14:11:24,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2753db234/d40f87eafacd4dd18b6ebcbfe3f54d99/FLAG27494bb4b [2024-11-22 14:11:25,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2753db234/d40f87eafacd4dd18b6ebcbfe3f54d99 [2024-11-22 14:11:25,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:11:25,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:11:25,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:25,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:11:25,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:11:25,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:25" (1/1) ... [2024-11-22 14:11:25,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d0e707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:25, skipping insertion in model container [2024-11-22 14:11:25,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:25" (1/1) ... [2024-11-22 14:11:25,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:11:25,389 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_advance_nospec_harness_negated.i[4504,4517] [2024-11-22 14:11:25,395 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_advance_nospec_harness_negated.i[4564,4577] [2024-11-22 14:11:25,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:25,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:26,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:11:26,439 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_advance_nospec_harness_negated.i[4504,4517] [2024-11-22 14:11:26,442 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_advance_nospec_harness_negated.i[4564,4577] [2024-11-22 14:11:26,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-22 14:11:26,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:26,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-22 14:11:26,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:26,762 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:11:26,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26 WrapperNode [2024-11-22 14:11:26,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:26,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:26,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:11:26,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:11:26,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:26,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:26,906 INFO L138 Inliner]: procedures = 679, calls = 2636, calls flagged for inlining = 58, calls inlined = 7, statements flattened = 954 [2024-11-22 14:11:26,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:26,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:11:26,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:11:26,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:11:26,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:26,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:26,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,002 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 8, 257, 42, 240, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 2, 0, 4, 6, 0, 5]. The 500 writes are split as follows [0, 0, 257, 9, 232, 2, 0]. [2024-11-22 14:11:27,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:11:27,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:11:27,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:11:27,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:11:27,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (1/1) ... [2024-11-22 14:11:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:27,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:11:27,101 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 14:11:27,103 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 14:11:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:11:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:11:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:11:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:11:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:11:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:11:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:11:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:11:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:11:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:11:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:11:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:11:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:11:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:11:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:11:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:11:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:11:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:11:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:11:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:11:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:11:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:11:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:11:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:11:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:11:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:11:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:11:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_advance_nospec [2024-11-22 14:11:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_advance_nospec [2024-11-22 14:11:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:11:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:11:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:11:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:11:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:11:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:11:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:11:27,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:11:27,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:11:34,485 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-22 14:11:34,486 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:11:34,497 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:11:34,497 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:11:34,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:34 BoogieIcfgContainer [2024-11-22 14:11:34,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:11:34,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:11:34,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:11:34,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:11:34,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:11:25" (1/3) ... [2024-11-22 14:11:34,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404a7061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:34, skipping insertion in model container [2024-11-22 14:11:34,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:26" (2/3) ... [2024-11-22 14:11:34,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404a7061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:34, skipping insertion in model container [2024-11-22 14:11:34,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:34" (3/3) ... [2024-11-22 14:11:34,506 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_nospec_harness_negated.i [2024-11-22 14:11:34,518 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:11:34,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:11:34,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:11:34,578 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;@3f6e15d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:11:34,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:11:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 88 states have internal predecessors, (115), 23 states have call successors, (23), 7 states have call predecessors, (23), 7 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 14:11:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 14:11:34,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:11:34,589 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-22 14:11:34,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:11:34,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:11:34,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1324974221, now seen corresponding path program 1 times [2024-11-22 14:11:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:11:34,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199246661] [2024-11-22 14:11:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:11:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:12:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:12:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 14:12:47,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:12:47,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199246661] [2024-11-22 14:12:47,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199246661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:12:47,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054482915] [2024-11-22 14:12:47,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:12:47,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:12:47,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:12:47,240 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 14:12:47,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process