./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 10:02:35,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:02:35,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:02:35,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:02:35,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:02:35,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:02:35,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:02:35,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:02:35,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:02:35,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:02:35,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:02:35,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:02:35,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:02:35,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:02:35,801 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:02:35,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:02:35,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:02:35,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:02:35,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:02:35,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:02:35,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:02:35,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:02:35,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:02:35,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:02:35,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:02:35,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:02:35,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:02:35,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:02:35,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:02:35,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:02:35,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:02:35,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:02:35,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:02:35,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2024-11-20 10:02:36,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:02:36,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:02:36,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:02:36,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:02:36,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:02:36,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-20 10:02:37,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:02:37,715 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:02:37,716 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-20 10:02:37,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7855e95f9/f974d1b328a0494ea5d2b43fb687f643/FLAG5414202b6 [2024-11-20 10:02:37,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7855e95f9/f974d1b328a0494ea5d2b43fb687f643 [2024-11-20 10:02:37,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:02:37,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:02:37,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:02:37,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:02:37,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:02:37,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:02:37" (1/1) ... [2024-11-20 10:02:37,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f70a054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:37, skipping insertion in model container [2024-11-20 10:02:37,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:02:37" (1/1) ... [2024-11-20 10:02:38,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:02:38,309 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] [2024-11-20 10:02:38,315 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] [2024-11-20 10:02:38,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:38,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:02:39,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:02:39,336 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] [2024-11-20 10:02:39,337 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] [2024-11-20 10:02:39,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-20 10:02:39,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,487 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:02:39,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-20 10:02:39,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:02:39,726 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:02:39,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39 WrapperNode [2024-11-20 10:02:39,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:02:39,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:02:39,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:02:39,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:02:39,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:39,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:39,921 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-20 10:02:39,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:02:39,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:02:39,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:02:39,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:02:39,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:39,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:39,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,006 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 6, 257, 238, 4, 46, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 0, 4, 5]. The 494 writes are split as follows [0, 2, 257, 232, 0, 3, 0]. [2024-11-20 10:02:40,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:02:40,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:02:40,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:02:40,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:02:40,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (1/1) ... [2024-11-20 10:02:40,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:02:40,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:02:40,088 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) [2024-11-20 10:02:40,097 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 [2024-11-20 10:02:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:02:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:02:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-20 10:02:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-20 10:02:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:02:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:02:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:02:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:02:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:02:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:02:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:02:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-20 10:02:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-20 10:02:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:02:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:02:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:02:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:02:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 10:02:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:02:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:02:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:02:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:02:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:02:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:02:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:02:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:02:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:02:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:02:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:02:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-20 10:02:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:02:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:02:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:02:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:02:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:02:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:02:40,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:02:40,438 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:02:48,018 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-20 10:02:48,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:02:48,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:02:48,033 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:02:48,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:02:48 BoogieIcfgContainer [2024-11-20 10:02:48,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:02:48,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:02:48,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:02:48,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:02:48,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:02:37" (1/3) ... [2024-11-20 10:02:48,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f49a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:02:48, skipping insertion in model container [2024-11-20 10:02:48,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:39" (2/3) ... [2024-11-20 10:02:48,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f49a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:02:48, skipping insertion in model container [2024-11-20 10:02:48,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:02:48" (3/3) ... [2024-11-20 10:02:48,041 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2024-11-20 10:02:48,052 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:02:48,052 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:02:48,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:02:48,126 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;@33ed85c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:02:48,127 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:02:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 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) [2024-11-20 10:02:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 10:02:48,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:02:48,145 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] [2024-11-20 10:02:48,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:02:48,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:02:48,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-20 10:02:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:02:48,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710903393] [2024-11-20 10:02:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:02:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:04:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:04:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:04:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:04:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:04:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:04:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 10:04:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 10:04:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:01,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 10:04:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 10:04:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:04:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 10:04:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:04:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 10:04:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 10:04:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 10:04:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:04:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 10:04:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 10:04:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 10:04:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-20 10:04:02,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:04:02,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710903393] [2024-11-20 10:04:02,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710903393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:04:02,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:04:02,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:04:02,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156753831] [2024-11-20 10:04:02,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:04:02,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:04:02,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:04:02,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:04:02,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:04:02,190 INFO L87 Difference]: Start difference. First operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 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) [2024-11-20 10:04:06,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:04:09,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:04:09,840 INFO L93 Difference]: Finished difference Result 297 states and 435 transitions. [2024-11-20 10:04:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:04:09,842 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 [2024-11-20 10:04:09,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:04:09,849 INFO L225 Difference]: With dead ends: 297 [2024-11-20 10:04:09,849 INFO L226 Difference]: Without dead ends: 146 [2024-11-20 10:04:09,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:04:09,854 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 132 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 122 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:04:09,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 163 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-20 10:04:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-20 10:04:09,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2024-11-20 10:04:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.2) internal successors, (102), 86 states have internal predecessors, (102), 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) [2024-11-20 10:04:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 193 transitions. [2024-11-20 10:04:09,891 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 193 transitions. Word has length 120 [2024-11-20 10:04:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:04:09,891 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 193 transitions. [2024-11-20 10:04:09,891 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) [2024-11-20 10:04:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 193 transitions. [2024-11-20 10:04:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 10:04:09,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:04:09,894 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] [2024-11-20 10:04:09,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:04:09,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:04:09,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:04:09,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1331612261, now seen corresponding path program 1 times [2024-11-20 10:04:09,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:04:09,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061857788] [2024-11-20 10:04:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:04:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms