./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_write_be64_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 67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:51:55,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:51:55,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:51:55,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:51:55,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:51:55,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:51:55,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:51:55,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:51:55,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:51:55,417 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:51:55,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:51:55,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:51:55,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:51:55,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:51:55,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:51:55,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:51:55,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:51:55,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:51:55,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:51:55,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:51:55,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:51:55,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:51:55,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:51:55,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:51:55,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:51:55,426 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:51:55,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:51:55,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:51:55,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:51:55,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:51:55,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:51:55,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:51:55,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:51:55,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:51:55,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:51:55,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:51:55,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:51:55,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:51:55,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:51:55,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7 [2024-11-10 10:51:55,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:51:55,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:51:55,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:51:55,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:51:55,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:51:55,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i [2024-11-10 10:51:57,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:51:57,726 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:51:57,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i [2024-11-10 10:51:57,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22f85c20/94d48f1b51084ba4a9705492b9d42bc1/FLAG5b27515e7 [2024-11-10 10:51:58,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22f85c20/94d48f1b51084ba4a9705492b9d42bc1 [2024-11-10 10:51:58,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:51:58,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:51:58,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:51:58,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:51:58,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:51:58,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:58" (1/1) ... [2024-11-10 10:51:58,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e242ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:58, skipping insertion in model container [2024-11-10 10:51:58,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:58" (1/1) ... [2024-11-10 10:51:58,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:51:58,740 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_write_be64_harness_negated.i[4497,4510] [2024-11-10 10:51:58,751 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_write_be64_harness_negated.i[4557,4570] [2024-11-10 10:51:59,580 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,581 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,582 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,583 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,586 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,601 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,602 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:59,609 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,283 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,284 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:52:00,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:52:00,433 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_write_be64_harness_negated.i[4497,4510] [2024-11-10 10:52:00,437 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_write_be64_harness_negated.i[4557,4570] [2024-11-10 10:52:00,478 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,481 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,481 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,482 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,482 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,489 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,489 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,490 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,491 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-10 10:52:00,639 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,640 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:00,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-10 10:52:00,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:52:00,961 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:52:00,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00 WrapperNode [2024-11-10 10:52:00,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:52:00,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:52:00,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:52:00,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:52:00,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,202 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2024-11-10 10:52:01,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:52:01,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:52:01,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:52:01,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:52:01,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,320 INFO L175 MemorySlicer]: Split 564 memory accesses to 8 slices as follows [257, 2, 238, 2, 47, 6, 8, 4]. 46 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [0, 2, 6, 1, 8, 0, 5, 0]. The 497 writes are split as follows [257, 0, 232, 0, 3, 2, 1, 2]. [2024-11-10 10:52:01,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:52:01,426 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:52:01,428 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:52:01,428 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:52:01,429 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (1/1) ... [2024-11-10 10:52:01,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:52:01,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:52:01,467 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) [2024-11-10 10:52:01,472 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 [2024-11-10 10:52:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-10 10:52:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-10 10:52:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:52:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:52:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:52:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:52:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:52:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:52:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:52:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:52:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:52:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:52:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:52:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:52:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:52:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:52:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 10:52:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:52:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:52:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:52:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:52:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:52:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:52:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:52:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:52:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:52:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:52:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:52:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-10 10:52:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:52:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:52:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:52:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:52:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 10:52:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:52:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:52:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:52:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:52:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:52:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-10 10:52:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-10 10:52:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:52:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 10:52:01,890 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:52:01,893 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:52:01,937 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:52:01,966 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:52:02,042 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3917: havoc #t~nondet239;havoc #t~nondet240;havoc #t~bitwise241; [2024-11-10 10:52:02,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2024-11-10 10:52:02,148 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:52:02,162 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3898: havoc #t~mem237;call ULTIMATE.dealloc(~#z~0.base, ~#z~0.offset);havoc ~#z~0.base, ~#z~0.offset; [2024-11-10 10:52:02,171 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2024-11-10 10:52:10,162 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:52:10,162 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:52:10,162 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8573: havoc aws_byte_buf_write_be64_#t~ret1214#1;call ULTIMATE.dealloc(aws_byte_buf_write_be64_~#x#1.base, aws_byte_buf_write_be64_~#x#1.offset);havoc aws_byte_buf_write_be64_~#x#1.base, aws_byte_buf_write_be64_~#x#1.offset; [2024-11-10 10:52:10,252 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-10 10:52:10,253 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:52:10,274 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:52:10,276 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:52:10,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:52:10 BoogieIcfgContainer [2024-11-10 10:52:10,277 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:52:10,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:52:10,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:52:10,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:52:10,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:51:58" (1/3) ... [2024-11-10 10:52:10,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47698e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:52:10, skipping insertion in model container [2024-11-10 10:52:10,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:00" (2/3) ... [2024-11-10 10:52:10,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47698e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:52:10, skipping insertion in model container [2024-11-10 10:52:10,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:52:10" (3/3) ... [2024-11-10 10:52:10,289 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness_negated.i [2024-11-10 10:52:10,308 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:52:10,309 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:52:10,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:52:10,393 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;@215d73a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:52:10,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:52:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 10:52:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 10:52:10,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:52:10,414 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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, 1] [2024-11-10 10:52:10,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:52:10,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:52:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash 482822747, now seen corresponding path program 1 times [2024-11-10 10:52:10,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:52:10,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108807030] [2024-11-10 10:52:10,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:52:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:53:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:53:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 10:53:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 10:53:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:53:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:53:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:53:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 10:53:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 10:53:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 10:53:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 10:53:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:53:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 10:53:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 10:53:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 10:53:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 10:53:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:53:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-10 10:53:26,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:53:26,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108807030] [2024-11-10 10:53:26,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108807030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:53:26,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:53:26,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:53:26,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593610270] [2024-11-10 10:53:26,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:53:26,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:53:26,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:53:26,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:53:26,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:53:26,685 INFO L87 Difference]: Start difference. First operand has 152 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-10 10:53:30,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:53:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:53:33,294 INFO L93 Difference]: Finished difference Result 294 states and 409 transitions. [2024-11-10 10:53:33,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:53:33,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-10 10:53:33,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:53:33,304 INFO L225 Difference]: With dead ends: 294 [2024-11-10 10:53:33,304 INFO L226 Difference]: Without dead ends: 146 [2024-11-10 10:53:33,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:53:33,310 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 78 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-10 10:53:33,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 147 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-10 10:53:33,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-10 10:53:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-10 10:53:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 95 states have (on average 1.2105263157894737) internal successors, (115), 96 states have internal predecessors, (115), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 10:53:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 188 transitions. [2024-11-10 10:53:33,356 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 188 transitions. Word has length 101 [2024-11-10 10:53:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:53:33,357 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 188 transitions. [2024-11-10 10:53:33,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-10 10:53:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions. [2024-11-10 10:53:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 10:53:33,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:53:33,363 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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, 1] [2024-11-10 10:53:33,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:53:33,364 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:53:33,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:53:33,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2076684509, now seen corresponding path program 1 times [2024-11-10 10:53:33,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:53:33,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222908967] [2024-11-10 10:53:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:53:33,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms