./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.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_array_eq_harness-1.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 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:32:48,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:32:48,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:32:48,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:32:48,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:32:48,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:32:48,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:32:48,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:32:48,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:32:48,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:32:48,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:32:48,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:32:48,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:32:48,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:32:48,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:32:48,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:32:48,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:32:48,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:32:48,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:32:48,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:32:48,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:32:48,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:32:48,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:32:48,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:32:48,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:32:48,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:32:48,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:32:48,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:32:48,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:32:48,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:32:48,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:32:48,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:32:48,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:32:48,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:32:48,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:32:48,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:32:48,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:32:48,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:32:48,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:32:48,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 [2024-11-12 08:32:49,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:32:49,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:32:49,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:32:49,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:32:49,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:32:49,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2024-11-12 08:32:50,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:32:51,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:32:51,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2024-11-12 08:32:51,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653589b14/557236c4ddb94fce81995ada2c55688d/FLAG71e721ac3 [2024-11-12 08:32:51,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653589b14/557236c4ddb94fce81995ada2c55688d [2024-11-12 08:32:51,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:32:51,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:32:51,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:32:51,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:32:51,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:32:51,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:32:51" (1/1) ... [2024-11-12 08:32:51,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199a2228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:51, skipping insertion in model container [2024-11-12 08:32:51,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:32:51" (1/1) ... [2024-11-12 08:32:51,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:32:51,706 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_array_eq_harness-1.i[4486,4499] [2024-11-12 08:32:51,717 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_array_eq_harness-1.i[4546,4559] [2024-11-12 08:32:52,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:52,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:32:53,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:32:53,371 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_array_eq_harness-1.i[4486,4499] [2024-11-12 08:32:53,371 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_array_eq_harness-1.i[4546,4559] [2024-11-12 08:32:53,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-12 08:32:53,646 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:32:53,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-12 08:32:53,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:32:53,874 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:32:53,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53 WrapperNode [2024-11-12 08:32:53,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:32:53,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:32:53,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:32:53,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:32:53,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,122 INFO L138 Inliner]: procedures = 680, calls = 2610, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 791 [2024-11-12 08:32:54,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:32:54,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:32:54,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:32:54,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:32:54,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,217 INFO L175 MemorySlicer]: Split 512 memory accesses to 6 slices as follows [2, 257, 238, 4, 6, 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 491 writes are split as follows [0, 257, 232, 0, 2, 0]. [2024-11-12 08:32:54,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:32:54,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:32:54,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:32:54,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:32:54,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (1/1) ... [2024-11-12 08:32:54,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:32:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:32:54,319 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 08:32:54,322 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 08:32:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:32:54,370 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:32:54,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:32:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:32:54,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:32:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:32:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:32:54,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:32:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:32:54,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:32:54,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:32:54,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:32:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-12 08:32:54,375 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-12 08:32:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:32:54,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:32:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:32:54,375 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:32:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:32:54,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:32:54,376 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:32:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:32:54,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-12 08:32:54,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:32:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:32:54,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:32:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:32:54,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:32:54,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:33:02,943 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-12 08:33:02,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:33:02,959 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:33:02,960 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:33:02,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:33:02 BoogieIcfgContainer [2024-11-12 08:33:02,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:33:02,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:33:02,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:33:02,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:33:02,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:32:51" (1/3) ... [2024-11-12 08:33:02,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f790d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:33:02, skipping insertion in model container [2024-11-12 08:33:02,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:32:53" (2/3) ... [2024-11-12 08:33:02,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f790d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:33:02, skipping insertion in model container [2024-11-12 08:33:02,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:33:02" (3/3) ... [2024-11-12 08:33:02,972 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_harness-1.i [2024-11-12 08:33:02,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:33:02,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:33:03,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:33:03,069 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;@2573e42b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:33:03,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:33:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 08:33:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 08:33:03,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:33:03,088 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:33:03,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:33:03,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:33:03,094 INFO L85 PathProgramCache]: Analyzing trace with hash 873465649, now seen corresponding path program 1 times [2024-11-12 08:33:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:33:03,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314998898] [2024-11-12 08:33:03,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:33:03,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:34:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:34:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:34:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:34:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 08:34:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 08:34:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-12 08:34:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 08:34:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:34:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 08:34:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:34:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:34:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-12 08:34:16,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:34:16,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314998898] [2024-11-12 08:34:16,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314998898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:34:16,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:34:16,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:34:16,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554551925] [2024-11-12 08:34:16,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:34:16,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:34:16,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:34:16,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:34:16,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:34:16,860 INFO L87 Difference]: Start difference. First operand has 87 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 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 08:34:21,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:34:23,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:34:23,299 INFO L93 Difference]: Finished difference Result 176 states and 252 transitions. [2024-11-12 08:34:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:34:23,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 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 65 [2024-11-12 08:34:23,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:34:23,315 INFO L225 Difference]: With dead ends: 176 [2024-11-12 08:34:23,315 INFO L226 Difference]: Without dead ends: 87 [2024-11-12 08:34:23,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:34:23,324 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 75 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-12 08:34:23,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 109 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-12 08:34:23,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-12 08:34:23,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2024-11-12 08:34:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 50 states have internal predecessors, (59), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 08:34:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2024-11-12 08:34:23,393 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 65 [2024-11-12 08:34:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:34:23,394 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2024-11-12 08:34:23,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 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 08:34:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2024-11-12 08:34:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 08:34:23,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:34:23,397 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:34:23,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:34:23,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:34:23,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:34:23,399 INFO L85 PathProgramCache]: Analyzing trace with hash 200125107, now seen corresponding path program 1 times [2024-11-12 08:34:23,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:34:23,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110248310] [2024-11-12 08:34:23,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms