./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_hash_callback_c_str_eq_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 d89130e7d33d3f35007877506fd065e34b2a9c1315767747927e889906d4330e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:52:56,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:52:56,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:52:56,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:52:56,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:52:56,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:52:56,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:52:56,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:52:56,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:52:56,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:52:56,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:52:56,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:52:56,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:52:56,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:52:56,373 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:52:56,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:52:56,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:52:56,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:52:56,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:52:56,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:52:56,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:52:56,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:52:56,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:52:56,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:52:56,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:52:56,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:52:56,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:52:56,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:52:56,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:52:56,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:52:56,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:52:56,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:52:56,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:52:56,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:52:56,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:52:56,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:52:56,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:52:56,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:52:56,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:52:56,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d89130e7d33d3f35007877506fd065e34b2a9c1315767747927e889906d4330e [2024-11-12 08:52:56,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:52:56,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:52:56,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:52:56,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:52:56,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:52:56,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-12 08:52:58,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:52:58,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:52:58,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-12 08:52:58,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472785117/12b728e5b5fb4d51b203b55359c8a9f3/FLAG8005eac16 [2024-11-12 08:52:58,578 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472785117/12b728e5b5fb4d51b203b55359c8a9f3 [2024-11-12 08:52:58,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:52:58,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:52:58,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:52:58,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:52:58,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:52:58,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:52:58" (1/1) ... [2024-11-12 08:52:58,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a8a8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:52:58, skipping insertion in model container [2024-11-12 08:52:58,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:52:58" (1/1) ... [2024-11-12 08:52:58,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:52:58,942 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_hash_callback_c_str_eq_harness_negated.i[4500,4513] [2024-11-12 08:52:58,949 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_hash_callback_c_str_eq_harness_negated.i[4560,4573] [2024-11-12 08:52:59,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,586 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:52:59,586 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:53:00,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:53:00,443 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_hash_callback_c_str_eq_harness_negated.i[4500,4513] [2024-11-12 08:53:00,444 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_hash_callback_c_str_eq_harness_negated.i[4560,4573] [2024-11-12 08:53:00,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-12 08:53:00,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,617 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,709 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:53:00,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:53:01,035 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:53:01,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01 WrapperNode [2024-11-12 08:53:01,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:53:01,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:53:01,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:53:01,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:53:01,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,196 INFO L138 Inliner]: procedures = 757, calls = 3252, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 338 [2024-11-12 08:53:01,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:53:01,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:53:01,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:53:01,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:53:01,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,215 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,242 INFO L175 MemorySlicer]: Split 267 memory accesses to 4 slices as follows [2, 5, 3, 257]. 96 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 257 writes are split as follows [0, 0, 0, 257]. [2024-11-12 08:53:01,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:53:01,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:53:01,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:53:01,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:53:01,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (1/1) ... [2024-11-12 08:53:01,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:53:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:53:01,317 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) [2024-11-12 08:53:01,329 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 [2024-11-12 08:53:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:53:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:53:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:53:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:53:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:53:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:53:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:53:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:53:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:53:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:53:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:53:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:53:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:53:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:53:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:53:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:53:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:53:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:53:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:53:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-11-12 08:53:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-11-12 08:53:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-12 08:53:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-12 08:53:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:53:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:53:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:53:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:53:01,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:53:01,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:53:08,245 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-12 08:53:08,337 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-12 08:53:08,337 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:53:08,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:53:08,347 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 08:53:08,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:53:08 BoogieIcfgContainer [2024-11-12 08:53:08,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:53:08,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:53:08,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:53:08,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:53:08,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:52:58" (1/3) ... [2024-11-12 08:53:08,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a5bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:53:08, skipping insertion in model container [2024-11-12 08:53:08,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:53:01" (2/3) ... [2024-11-12 08:53:08,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a5bf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:53:08, skipping insertion in model container [2024-11-12 08:53:08,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:53:08" (3/3) ... [2024-11-12 08:53:08,353 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness_negated.i [2024-11-12 08:53:08,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:53:08,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:53:08,420 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:53:08,427 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;@2201ab4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:53:08,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:53:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 08:53:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-12 08:53:08,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:53:08,447 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:53:08,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:53:08,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:53:08,453 INFO L85 PathProgramCache]: Analyzing trace with hash 997182196, now seen corresponding path program 1 times [2024-11-12 08:53:08,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:53:08,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750471756] [2024-11-12 08:53:08,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:53:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:53:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:53:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:53:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:53:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 08:53:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:53:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:53:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:53:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:53:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 08:53:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 08:53:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 08:53:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:53:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-12 08:53:57,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:53:57,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750471756] [2024-11-12 08:53:57,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750471756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:53:57,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:53:57,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:53:57,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810634173] [2024-11-12 08:53:57,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:53:57,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:53:57,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:53:57,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:53:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:53:57,364 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 08:54:01,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:54:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:54:02,435 INFO L93 Difference]: Finished difference Result 139 states and 186 transitions. [2024-11-12 08:54:02,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:54:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2024-11-12 08:54:02,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:54:02,449 INFO L225 Difference]: With dead ends: 139 [2024-11-12 08:54:02,449 INFO L226 Difference]: Without dead ends: 65 [2024-11-12 08:54:02,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:54:02,454 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-12 08:54:02,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 99 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-12 08:54:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-12 08:54:02,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-12 08:54:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 39 states have internal predecessors, (41), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 08:54:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2024-11-12 08:54:02,492 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 67 [2024-11-12 08:54:02,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:54:02,494 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2024-11-12 08:54:02,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-12 08:54:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2024-11-12 08:54:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-12 08:54:02,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:54:02,498 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2024-11-12 08:54:02,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:54:02,498 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:54:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:54:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1071895061, now seen corresponding path program 1 times [2024-11-12 08:54:02,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:54:02,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12058976] [2024-11-12 08:54:02,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:54:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms