./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.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_cursor_compare_lexical_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 fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:53:57,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:53:57,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:53:57,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:53:57,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:53:57,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:53:57,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:53:57,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:53:57,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:53:57,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:53:57,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:53:57,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:53:57,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:53:57,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:53:57,648 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:53:57,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:53:57,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:53:57,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:53:57,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:53:57,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:53:57,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:53:57,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:53:57,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:53:57,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:53:57,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:53:57,656 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:53:57,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:53:57,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:53:57,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:53:57,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:53:57,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:53:57,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:53:57,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:53:57,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:53:57,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:53:57,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:53:57,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:53:57,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:53:57,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:53:57,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2024-11-10 10:53:57,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:53:57,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:53:57,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:53:57,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:53:57,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:53:57,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-10 10:53:59,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:53:59,900 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:53:59,901 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-10 10:53:59,946 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d46376d/22b0e21ca0604670ba795a36c90854b4/FLAG8dfbd2c9d [2024-11-10 10:53:59,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d46376d/22b0e21ca0604670ba795a36c90854b4 [2024-11-10 10:53:59,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:53:59,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:53:59,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:53:59,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:53:59,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:53:59,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:59" (1/1) ... [2024-11-10 10:53:59,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e78b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:59, skipping insertion in model container [2024-11-10 10:53:59,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:59" (1/1) ... [2024-11-10 10:54:00,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:54:00,369 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_cursor_compare_lexical_harness.i[4505,4518] [2024-11-10 10:54:00,377 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_cursor_compare_lexical_harness.i[4565,4578] [2024-11-10 10:54:00,957 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,958 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,958 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,962 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,963 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,974 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,975 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,976 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:00,977 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,533 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,539 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:54:01,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:54:01,721 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_cursor_compare_lexical_harness.i[4505,4518] [2024-11-10 10:54:01,721 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_cursor_compare_lexical_harness.i[4565,4578] [2024-11-10 10:54:01,757 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,757 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,758 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,758 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,759 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,764 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,764 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,765 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,765 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-10 10:54:01,972 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:01,976 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:54:02,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-10 10:54:02,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:54:02,247 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:54:02,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02 WrapperNode [2024-11-10 10:54:02,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:54:02,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:54:02,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:54:02,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:54:02,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,459 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-10 10:54:02,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:54:02,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:54:02,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:54:02,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:54:02,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,565 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 4, 46, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2, 0]. [2024-11-10 10:54:02,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:54:02,647 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:54:02,648 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:54:02,648 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:54:02,649 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (1/1) ... [2024-11-10 10:54:02,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:54:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:54:02,689 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 10:54:02,692 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 10:54:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:54:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:54:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-10 10:54:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-10 10:54:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:54:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:54:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:54:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:54:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:54:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:54:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:54:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:54:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:54:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:54:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-10 10:54:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-10 10:54:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:54:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:54:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:54:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:54:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-10 10:54:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-10 10:54:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:54:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:54:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:54:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:54:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:54:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:54:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:54:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:54:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:54:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:54:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:54:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:54:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:54:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:54:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:54:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:54:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:54:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:54:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:54:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:54:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:54:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:54:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:54:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-10 10:54:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-10 10:54:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:54:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:54:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:54:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:54:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:54:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:54:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:54:03,090 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:54:03,092 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:54:03,122 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:54:03,169 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:54:03,184 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:54:03,195 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2024-11-10 10:54:03,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:54:03,240 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2024-11-10 10:54:03,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8144: havoc #t~mem1032#1; [2024-11-10 10:54:03,281 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7333: havoc memcmp_safe_#t~nondet655#1; [2024-11-10 10:54:11,240 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-10 10:54:11,240 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:54:11,256 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:54:11,256 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:54:11,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:54:11 BoogieIcfgContainer [2024-11-10 10:54:11,256 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:54:11,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:54:11,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:54:11,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:54:11,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:53:59" (1/3) ... [2024-11-10 10:54:11,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fee3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:54:11, skipping insertion in model container [2024-11-10 10:54:11,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:54:02" (2/3) ... [2024-11-10 10:54:11,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fee3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:54:11, skipping insertion in model container [2024-11-10 10:54:11,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:54:11" (3/3) ... [2024-11-10 10:54:11,267 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2024-11-10 10:54:11,283 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:54:11,283 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:54:11,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:54:11,362 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;@4c0ffb4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:54:11,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:54:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 93 states have internal predecessors, (112), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-10 10:54:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 10:54:11,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:54:11,385 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1] [2024-11-10 10:54:11,386 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:54:11,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:54:11,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1485607862, now seen corresponding path program 1 times [2024-11-10 10:54:11,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:54:11,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517747340] [2024-11-10 10:54:11,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:54:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:55:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:55:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:55:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:55:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:55:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 10:55:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 10:55:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:55:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 10:55:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 10:55:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 10:55:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:55:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:55:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:55:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:55:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:55:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:55:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-10 10:55:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 10:55:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 10:55:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:55:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-10 10:55:29,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:55:29,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517747340] [2024-11-10 10:55:29,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517747340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:55:29,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:55:29,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:55:29,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843415203] [2024-11-10 10:55:29,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:55:29,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:55:29,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:55:30,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:55:30,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:55:30,018 INFO L87 Difference]: Start difference. First operand has 151 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 93 states have internal predecessors, (112), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 10:55:34,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:55:37,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:55:37,912 INFO L93 Difference]: Finished difference Result 300 states and 438 transitions. [2024-11-10 10:55:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:55:37,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-10 10:55:37,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:55:37,923 INFO L225 Difference]: With dead ends: 300 [2024-11-10 10:55:37,923 INFO L226 Difference]: Without dead ends: 147 [2024-11-10 10:55:37,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:55:37,931 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 134 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:55:37,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 163 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-11-10 10:55:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-10 10:55:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2024-11-10 10:55:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 86 states have (on average 1.197674418604651) internal successors, (103), 87 states have internal predecessors, (103), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 10:55:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 194 transitions. [2024-11-10 10:55:37,982 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 194 transitions. Word has length 120 [2024-11-10 10:55:37,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:55:37,982 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 194 transitions. [2024-11-10 10:55:37,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 10:55:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 194 transitions. [2024-11-10 10:55:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 10:55:37,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:55:37,986 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1] [2024-11-10 10:55:37,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:55:37,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:55:37,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:55:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash -621965713, now seen corresponding path program 1 times [2024-11-10 10:55:37,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:55:37,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142148062] [2024-11-10 10:55:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:55:37,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms