./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_compare_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 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:25:27,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:25:27,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:25:27,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:25:27,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:25:27,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:25:27,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:25:27,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:25:27,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:25:27,211 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:25:27,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:25:27,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:25:27,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:25:27,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:25:27,215 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:25:27,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:25:27,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:25:27,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:25:27,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:25:27,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:25:27,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:25:27,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:25:27,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:25:27,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:25:27,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:25:27,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:25:27,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:25:27,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:25:27,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:25:27,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:27,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:25:27,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:25:27,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:25:27,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:25:27,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:25:27,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:25:27,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:25:27,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:25:27,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:25:27,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 [2024-11-19 02:25:27,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:25:27,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:25:27,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:25:27,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:25:27,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:25:27,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-11-19 02:25:28,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:25:29,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:25:29,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-11-19 02:25:29,472 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810d78219/3263b71c15b842df8b8942010a48f1c0/FLAGfa45b80a5 [2024-11-19 02:25:29,537 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810d78219/3263b71c15b842df8b8942010a48f1c0 [2024-11-19 02:25:29,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:25:29,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:25:29,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:29,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:25:29,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:25:29,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bc18a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29, skipping insertion in model container [2024-11-19 02:25:29,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:25:29,994 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_compare_harness_negated.i[4492,4505] [2024-11-19 02:25:30,005 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_compare_harness_negated.i[4552,4565] [2024-11-19 02:25:30,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,695 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:30,695 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:31,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:25:31,479 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_compare_harness_negated.i[4492,4505] [2024-11-19 02:25:31,479 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_compare_harness_negated.i[4552,4565] [2024-11-19 02:25:31,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-19 02:25:31,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,658 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:31,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-19 02:25:31,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:31,946 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:25:31,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31 WrapperNode [2024-11-19 02:25:31,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:31,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:31,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:25:31,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:25:31,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,128 INFO L138 Inliner]: procedures = 682, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-11-19 02:25:32,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:32,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:25:32,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:25:32,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:25:32,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,222 INFO L175 MemorySlicer]: Split 529 memory accesses to 6 slices as follows [2, 257, 5, 238, 16, 11]. 49 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 5, 6, 16, 0]. The 492 writes are split as follows [0, 257, 0, 232, 0, 3]. [2024-11-19 02:25:32,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:25:32,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:25:32,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:25:32,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:25:32,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (1/1) ... [2024-11-19 02:25:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:32,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:32,340 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) [2024-11-19 02:25:32,343 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 [2024-11-19 02:25:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:25:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:25:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-11-19 02:25:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-11-19 02:25:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:25:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:25:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:25:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:25:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:25:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:25:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:25:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:25:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:25:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:25:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:25:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:25:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:25:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:25:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-19 02:25:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-19 02:25:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:25:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:25:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:25:32,400 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:25:32,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:25:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:25:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:25:32,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:25:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:25:32,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:25:32,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:25:40,666 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-19 02:25:40,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:25:40,682 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:25:40,682 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:25:40,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:40 BoogieIcfgContainer [2024-11-19 02:25:40,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:25:40,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:25:40,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:25:40,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:25:40,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:25:29" (1/3) ... [2024-11-19 02:25:40,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d3d569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:25:40, skipping insertion in model container [2024-11-19 02:25:40,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:31" (2/3) ... [2024-11-19 02:25:40,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d3d569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:25:40, skipping insertion in model container [2024-11-19 02:25:40,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:40" (3/3) ... [2024-11-19 02:25:40,693 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness_negated.i [2024-11-19 02:25:40,709 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:25:40,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:25:40,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:25:40,784 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;@656842ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:25:40,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:25:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 02:25:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 02:25:40,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:25:40,803 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-19 02:25:40,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:25:40,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:25:40,809 INFO L85 PathProgramCache]: Analyzing trace with hash 127762490, now seen corresponding path program 1 times [2024-11-19 02:25:40,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:25:40,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118991212] [2024-11-19 02:25:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:25:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:27:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:27:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 02:27:01,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:27:01,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118991212] [2024-11-19 02:27:01,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118991212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:27:01,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924105741] [2024-11-19 02:27:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:27:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:27:01,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:27:01,162 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) [2024-11-19 02:27:01,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process