./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_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_string_new_from_c_str_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 a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:27:26,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:27:26,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:27:26,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:27:26,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:27:26,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:27:26,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:27:26,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:27:26,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:27:26,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:27:26,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:27:26,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:27:26,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:27:26,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:27:26,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:27:26,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:27:26,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:27:26,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:27:26,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:27:26,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:27:26,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:27:26,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:27:26,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:27:26,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:27:26,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:27:26,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:27:26,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:27:26,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:27:26,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:27:26,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:27:26,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:27:26,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:27:26,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:27:26,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:27:26,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:27:26,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:27:26,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:27:26,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:27:26,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:27:26,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 [2024-11-22 14:27:26,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:27:26,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:27:26,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:27:26,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:27:26,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:27:26,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2024-11-22 14:27:27,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:27:28,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:27:28,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2024-11-22 14:27:28,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fba4cb4/589c3f7727084d5aa87cc86f24ab6f33/FLAGb8c894064 [2024-11-22 14:27:28,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8fba4cb4/589c3f7727084d5aa87cc86f24ab6f33 [2024-11-22 14:27:28,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:27:28,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:27:28,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:27:28,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:27:28,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:27:28,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:27:28" (1/1) ... [2024-11-22 14:27:28,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aef2364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:28, skipping insertion in model container [2024-11-22 14:27:28,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:27:28" (1/1) ... [2024-11-22 14:27:28,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:27:28,869 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_string_new_from_c_str_harness_negated.i[4499,4512] [2024-11-22 14:27:28,876 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_string_new_from_c_str_harness_negated.i[4559,4572] [2024-11-22 14:27:29,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:27:29,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:27:29,885 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_string_new_from_c_str_harness_negated.i[4499,4512] [2024-11-22 14:27:29,886 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_string_new_from_c_str_harness_negated.i[4559,4572] [2024-11-22 14:27:29,933 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,934 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,934 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,934 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,943 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:29,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:30,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-22 14:27:30,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:30,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:27:30,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-22 14:27:30,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:27:30,361 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:27:30,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30 WrapperNode [2024-11-22 14:27:30,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:27:30,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:27:30,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:27:30,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:27:30,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,520 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2024-11-22 14:27:30,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:27:30,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:27:30,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:27:30,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:27:30,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,647 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 238, 2, 14, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 1, 4, 0]. [2024-11-22 14:27:30,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:27:30,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:27:30,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:27:30,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:27:30,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (1/1) ... [2024-11-22 14:27:30,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:27:30,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:27:30,750 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 14:27:30,756 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 14:27:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-22 14:27:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-22 14:27:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:27:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:27:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:27:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-22 14:27:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-22 14:27:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-22 14:27:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-22 14:27:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-22 14:27:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-22 14:27:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-22 14:27:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-22 14:27:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:27:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 14:27:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 14:27:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:27:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:27:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:27:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:27:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:27:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:27:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:27:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:27:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:27:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:27:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:27:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 14:27:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-22 14:27:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:27:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-22 14:27:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-22 14:27:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:27:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-22 14:27:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:27:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-22 14:27:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:27:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-22 14:27:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:27:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:27:31,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:27:31,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:27:31,124 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-22 14:27:38,454 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-22 14:27:38,455 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:27:38,467 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:27:38,468 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 14:27:38,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:27:38 BoogieIcfgContainer [2024-11-22 14:27:38,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:27:38,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:27:38,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:27:38,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:27:38,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:27:28" (1/3) ... [2024-11-22 14:27:38,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126bed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:27:38, skipping insertion in model container [2024-11-22 14:27:38,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:27:30" (2/3) ... [2024-11-22 14:27:38,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126bed77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:27:38, skipping insertion in model container [2024-11-22 14:27:38,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:27:38" (3/3) ... [2024-11-22 14:27:38,475 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness_negated.i [2024-11-22 14:27:38,487 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:27:38,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:27:38,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:27:38,547 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;@27cd5b7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:27:38,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:27:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-22 14:27:38,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 14:27:38,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:27:38,560 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:27:38,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:27:38,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:27:38,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1565145841, now seen corresponding path program 1 times [2024-11-22 14:27:38,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:27:38,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033574665] [2024-11-22 14:27:38,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:27:38,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:28:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:28:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-22 14:28:54,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:28:54,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033574665] [2024-11-22 14:28:54,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033574665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:28:54,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729838946] [2024-11-22 14:28:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:28:54,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:28:54,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:28:54,339 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 14:28:54,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process