./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_byte_buf_eq_harness.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 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:45:10,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:45:10,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:45:10,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:45:10,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:45:10,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:45:10,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:45:10,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:45:10,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:45:10,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:45:10,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:45:10,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:45:10,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:45:10,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:45:10,294 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:45:10,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:45:10,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:45:10,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:45:10,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:45:10,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:45:10,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:45:10,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:45:10,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:45:10,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:45:10,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:45:10,301 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:45:10,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:45:10,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:45:10,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:45:10,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:45:10,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:45:10,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:45:10,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:45:10,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:45:10,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:45:10,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:45:10,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:45:10,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:45:10,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:45:10,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 [2024-11-16 19:45:10,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:45:10,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:45:10,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:45:10,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:45:10,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:45:10,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2024-11-16 19:45:11,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:45:12,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:45:12,415 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2024-11-16 19:45:12,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45761aff8/40edadd39ae54bffb6b3986f7b929c75/FLAGd68f01f38 [2024-11-16 19:45:12,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45761aff8/40edadd39ae54bffb6b3986f7b929c75 [2024-11-16 19:45:12,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:45:12,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:45:12,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:45:12,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:45:12,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:45:12,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:45:12" (1/1) ... [2024-11-16 19:45:12,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2384edec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:12, skipping insertion in model container [2024-11-16 19:45:12,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:45:12" (1/1) ... [2024-11-16 19:45:12,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:45:12,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4489,4502] [2024-11-16 19:45:13,001 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4549,4562] [2024-11-16 19:45:13,688 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,690 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,691 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,709 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,710 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,711 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:13,712 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,194 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,195 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:45:14,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:45:14,357 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4489,4502] [2024-11-16 19:45:14,357 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4549,4562] [2024-11-16 19:45:14,397 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,398 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,398 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,398 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,399 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,411 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-16 19:45:14,628 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,629 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:45:14,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-16 19:45:14,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:45:14,849 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:45:14,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14 WrapperNode [2024-11-16 19:45:14,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:45:14,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:45:14,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:45:14,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:45:14,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:14,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,073 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-11-16 19:45:15,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:45:15,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:45:15,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:45:15,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:45:15,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,183 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 9, 257, 238, 6, 66]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 5, 0, 6, 0, 16]. The 497 writes are split as follows [0, 0, 257, 232, 2, 6]. [2024-11-16 19:45:15,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,234 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:45:15,287 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:45:15,288 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:45:15,288 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:45:15,289 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (1/1) ... [2024-11-16 19:45:15,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:45:15,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:45:15,322 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) [2024-11-16 19:45:15,324 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 [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:45:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:45:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:45:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:45:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:45:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:45:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:45:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:45:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:45:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:45:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:45:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:45:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:45:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:45:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-16 19:45:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:45:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:45:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-16 19:45:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-16 19:45:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:45:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:45:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:45:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:45:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:45:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:45:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:45:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:45:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:45:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:45:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:45:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:45:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:45:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:45:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:45:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:45:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:45:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:45:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:45:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:45:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:45:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-16 19:45:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-16 19:45:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:45:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:45:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:45:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:45:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:45:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:45:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:45:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:45:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:45:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:45:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-16 19:45:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-16 19:45:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:45:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:45:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:45:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-16 19:45:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:45:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:45:15,753 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:45:15,756 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:45:15,800 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:45:15,834 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:45:15,856 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:45:15,896 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2024-11-16 19:45:15,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2024-11-16 19:45:15,967 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:45:15,974 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2024-11-16 19:45:23,878 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-16 19:45:23,878 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:45:23,893 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:45:23,894 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:45:23,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:45:23 BoogieIcfgContainer [2024-11-16 19:45:23,894 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:45:23,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:45:23,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:45:23,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:45:23,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:45:12" (1/3) ... [2024-11-16 19:45:23,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf47316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:45:23, skipping insertion in model container [2024-11-16 19:45:23,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:45:14" (2/3) ... [2024-11-16 19:45:23,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf47316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:45:23, skipping insertion in model container [2024-11-16 19:45:23,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:45:23" (3/3) ... [2024-11-16 19:45:23,902 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness.i [2024-11-16 19:45:23,916 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:45:23,917 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:45:23,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:45:23,990 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;@266ef13f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:45:23,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:45:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 93 states have (on average 1.2258064516129032) internal successors, (114), 94 states have internal predecessors, (114), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-16 19:45:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-16 19:45:24,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:45:24,009 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 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, 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] [2024-11-16 19:45:24,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:45:24,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:45:24,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1717976855, now seen corresponding path program 1 times [2024-11-16 19:45:24,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:45:24,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586214006] [2024-11-16 19:45:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:45:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:46:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:46:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:46:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:46:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:46:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:46:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:46:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 19:46:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:46:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:46:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:46:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:36,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 19:46:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 19:46:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:46:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 19:46:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 19:46:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:46:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:46:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:46:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:46:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:46:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-16 19:46:37,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:46:37,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586214006] [2024-11-16 19:46:37,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586214006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:46:37,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:46:37,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:46:37,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129125946] [2024-11-16 19:46:37,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:46:37,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:46:37,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:46:37,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:46:37,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:46:37,129 INFO L87 Difference]: Start difference. First operand has 154 states, 93 states have (on average 1.2258064516129032) internal successors, (114), 94 states have internal predecessors, (114), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 19:46:41,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:46:45,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:46:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:46:50,109 INFO L93 Difference]: Finished difference Result 305 states and 440 transitions. [2024-11-16 19:46:50,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:46:50,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2024-11-16 19:46:50,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:46:50,120 INFO L225 Difference]: With dead ends: 305 [2024-11-16 19:46:50,120 INFO L226 Difference]: Without dead ends: 150 [2024-11-16 19:46:50,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 19:46:50,126 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 150 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 114 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-16 19:46:50,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 187 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2024-11-16 19:46:50,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-16 19:46:50,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-11-16 19:46:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-16 19:46:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2024-11-16 19:46:50,173 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 113 [2024-11-16 19:46:50,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:46:50,174 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2024-11-16 19:46:50,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 19:46:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2024-11-16 19:46:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-16 19:46:50,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:46:50,185 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 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, 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] [2024-11-16 19:46:50,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:46:50,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:46:50,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:46:50,186 INFO L85 PathProgramCache]: Analyzing trace with hash -407546072, now seen corresponding path program 1 times [2024-11-16 19:46:50,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:46:50,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289083918] [2024-11-16 19:46:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:46:50,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms