./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_trim_pred_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 71e5927fd394f7ee2b7e12cb164a1e2d1990ce0718c7f1e6f5935ec66026c1b2 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:12:56,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:12:57,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:12:57,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:12:57,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:12:57,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:12:57,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:12:57,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:12:57,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:12:57,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:12:57,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:12:57,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:12:57,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:12:57,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:12:57,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:12:57,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:12:57,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:12:57,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:12:57,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:12:57,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:12:57,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:12:57,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:12:57,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:12:57,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:12:57,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:12:57,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:12:57,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:12:57,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:12:57,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:12:57,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:12:57,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:12:57,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:12:57,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:12:57,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:12:57,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:12:57,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:12:57,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:12:57,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:12:57,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:12:57,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e5927fd394f7ee2b7e12cb164a1e2d1990ce0718c7f1e6f5935ec66026c1b2 [2024-11-09 03:12:57,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:12:57,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:12:57,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:12:57,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:12:57,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:12:57,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2024-11-09 03:12:58,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:12:59,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:12:59,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2024-11-09 03:12:59,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb3652ec/78666c1713c74c38b353fb0d63b0198e/FLAGbbc01e37c [2024-11-09 03:12:59,536 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb3652ec/78666c1713c74c38b353fb0d63b0198e [2024-11-09 03:12:59,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:12:59,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:12:59,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:12:59,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:12:59,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:12:59,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:12:59" (1/1) ... [2024-11-09 03:12:59,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aab9a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:12:59, skipping insertion in model container [2024-11-09 03:12:59,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:12:59" (1/1) ... [2024-11-09 03:12:59,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:12:59,973 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_trim_pred_harness.i[4499,4512] [2024-11-09 03:12:59,985 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_trim_pred_harness.i[4559,4572] [2024-11-09 03:13:00,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:00,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:13:01,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:13:01,682 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_trim_pred_harness.i[4499,4512] [2024-11-09 03:13:01,683 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_trim_pred_harness.i[4559,4572] [2024-11-09 03:13:01,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8271] [2024-11-09 03:13:01,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:01,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8757-8768] [2024-11-09 03:13:01,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:13:02,054 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:13:02,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02 WrapperNode [2024-11-09 03:13:02,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:13:02,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:13:02,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:13:02,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:13:02,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,246 INFO L138 Inliner]: procedures = 679, calls = 2616, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 901 [2024-11-09 03:13:02,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:13:02,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:13:02,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:13:02,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:13:02,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,309 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,393 INFO L175 MemorySlicer]: Split 557 memory accesses to 6 slices as follows [2, 257, 242, 45, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 12, 0, 5]. The 495 writes are split as follows [0, 257, 232, 4, 2, 0]. [2024-11-09 03:13:02,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:13:02,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:13:02,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:13:02,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:13:02,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (1/1) ... [2024-11-09 03:13:02,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:13:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:13:02,525 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) [2024-11-09 03:13:02,527 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 [2024-11-09 03:13:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:13:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:13:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:13:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:13:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:13:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:13:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:13:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:13:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:13:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:13:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:13:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:13:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2024-11-09 03:13:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:13:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:13:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:13:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:13:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:13:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:13:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:13:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:13:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:13:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:13:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:13:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:13:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:13:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:13:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:13:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~int [2024-11-09 03:13:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~int [2024-11-09 03:13:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:13:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:13:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:13:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:13:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:13:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:13:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:13:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:13:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:13:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:13:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:13:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:13:02,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:13:02,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:13:10,844 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-09 03:13:10,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:13:10,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:13:10,859 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:13:10,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:13:10 BoogieIcfgContainer [2024-11-09 03:13:10,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:13:10,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:13:10,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:13:10,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:13:10,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:12:59" (1/3) ... [2024-11-09 03:13:10,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c3dea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:13:10, skipping insertion in model container [2024-11-09 03:13:10,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:02" (2/3) ... [2024-11-09 03:13:10,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c3dea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:13:10, skipping insertion in model container [2024-11-09 03:13:10,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:13:10" (3/3) ... [2024-11-09 03:13:10,870 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness.i [2024-11-09 03:13:10,886 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:13:10,887 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:13:10,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:13:10,966 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;@6a79a118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:13:10,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:13:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 03:13:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 03:13:10,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:13:10,984 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:13:10,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:13:10,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:13:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash -120549986, now seen corresponding path program 1 times [2024-11-09 03:13:10,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:13:11,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456296690] [2024-11-09 03:13:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:13:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:14:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:14:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:14:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 03:14:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:14:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 03:14:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:14:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:14:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:14:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 03:14:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:14:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:14:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 03:14:30,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:14:30,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456296690] [2024-11-09 03:14:30,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456296690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:14:30,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:14:30,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 03:14:30,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632484492] [2024-11-09 03:14:30,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:14:30,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 03:14:30,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:14:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 03:14:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:14:30,283 INFO L87 Difference]: Start difference. First operand has 124 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 78 states have internal predecessors, (95), 37 states have call successors, (37), 8 states have call predecessors, (37), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 03:14:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:14:30,318 INFO L93 Difference]: Finished difference Result 244 states and 355 transitions. [2024-11-09 03:14:30,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 03:14:30,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2024-11-09 03:14:30,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:14:30,332 INFO L225 Difference]: With dead ends: 244 [2024-11-09 03:14:30,332 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 03:14:30,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:14:30,343 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:14:30,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 03:14:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 03:14:30,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 03:14:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 71 states have internal predecessors, (82), 37 states have call successors, (37), 8 states have call predecessors, (37), 7 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 03:14:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2024-11-09 03:14:30,397 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 79 [2024-11-09 03:14:30,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:14:30,397 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2024-11-09 03:14:30,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 03:14:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2024-11-09 03:14:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 03:14:30,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:14:30,401 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:14:30,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:14:30,401 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:14:30,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:14:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1125572453, now seen corresponding path program 1 times [2024-11-09 03:14:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:14:30,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257654373] [2024-11-09 03:14:30,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:14:30,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms