./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_from_buf_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 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:56:04,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:56:04,351 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:56:04,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:56:04,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:56:04,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:56:04,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:56:04,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:56:04,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:56:04,388 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:56:04,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:56:04,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:56:04,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:56:04,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:56:04,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:56:04,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:56:04,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:56:04,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:56:04,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:56:04,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:56:04,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:56:04,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:56:04,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:56:04,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:56:04,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:56:04,397 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:56:04,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:56:04,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:56:04,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:56:04,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:56:04,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:56:04,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:56:04,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:56:04,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:56:04,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:56:04,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:56:04,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:56:04,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:56:04,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:56:04,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2024-11-10 10:56:04,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:56:04,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:56:04,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:56:04,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:56:04,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:56:04,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-10 10:56:06,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:56:06,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:56:06,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-10 10:56:06,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd9c1f885/e3ac96bbaa7845038b795c16454cfbb2/FLAG5eeec2d02 [2024-11-10 10:56:06,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd9c1f885/e3ac96bbaa7845038b795c16454cfbb2 [2024-11-10 10:56:06,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:56:06,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:56:06,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:56:06,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:56:06,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:56:06,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:56:06" (1/1) ... [2024-11-10 10:56:06,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0045bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:06, skipping insertion in model container [2024-11-10 10:56:06,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:56:06" (1/1) ... [2024-11-10 10:56:06,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:56:06,965 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_from_buf_harness.i[4498,4511] [2024-11-10 10:56:06,971 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_from_buf_harness.i[4558,4571] [2024-11-10 10:56:07,473 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,474 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,474 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,476 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,476 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,490 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,491 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,496 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,497 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,964 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:07,965 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:56:08,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:56:08,123 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_from_buf_harness.i[4498,4511] [2024-11-10 10:56:08,124 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_from_buf_harness.i[4558,4571] [2024-11-10 10:56:08,156 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,157 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,157 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,157 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,158 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,163 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,163 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,164 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,164 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 10:56:08,268 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:56:08,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 10:56:08,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:56:08,477 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:56:08,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08 WrapperNode [2024-11-10 10:56:08,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:56:08,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:56:08,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:56:08,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:56:08,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,598 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-10 10:56:08,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:56:08,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:56:08,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:56:08,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:56:08,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,677 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 39, 247, 6, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 8, 11, 0, 2]. The 495 writes are split as follows [0, 257, 2, 232, 2, 2]. [2024-11-10 10:56:08,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:56:08,721 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:56:08,721 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:56:08,721 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:56:08,722 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (1/1) ... [2024-11-10 10:56:08,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:56:08,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:56:08,753 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 10:56:08,754 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 10:56:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:56:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:56:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:56:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:56:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:56:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:56:08,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:56:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:56:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-10 10:56:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:56:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:56:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:56:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:56:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:56:08,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:56:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:56:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:56:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:56:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:56:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:56:08,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:56:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:56:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:56:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:56:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:56:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:56:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:56:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:56:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:56:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:56:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:56:09,034 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:56:09,036 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:56:09,062 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:56:09,081 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:56:09,115 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-10 10:56:09,139 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:56:09,166 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-10 10:56:09,188 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc #t~mem1071;havoc #t~mem1072.base, #t~mem1072.offset;call ULTIMATE.dealloc(~#cur~0.base, ~#cur~0.offset);havoc ~#cur~0.base, ~#cur~0.offset; [2024-11-10 10:56:16,183 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:56:16,184 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:56:16,220 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-10 10:56:16,220 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:56:16,234 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:56:16,234 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:56:16,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:56:16 BoogieIcfgContainer [2024-11-10 10:56:16,234 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:56:16,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:56:16,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:56:16,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:56:16,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:56:06" (1/3) ... [2024-11-10 10:56:16,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356b7566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:56:16, skipping insertion in model container [2024-11-10 10:56:16,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:56:08" (2/3) ... [2024-11-10 10:56:16,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356b7566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:56:16, skipping insertion in model container [2024-11-10 10:56:16,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:56:16" (3/3) ... [2024-11-10 10:56:16,242 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-10 10:56:16,254 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:56:16,255 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:56:16,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:56:16,318 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;@43001370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:56:16,318 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:56:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 89 states have (on average 1.247191011235955) internal successors, (111), 90 states have internal predecessors, (111), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 10:56:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 10:56:16,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:56:16,331 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 10:56:16,331 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:56:16,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:56:16,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1024331500, now seen corresponding path program 1 times [2024-11-10 10:56:16,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:56:16,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620516849] [2024-11-10 10:56:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:56:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:57:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:57:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:57:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 10:57:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:57:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 10:57:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 10:57:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:57:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:57:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 10:57:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:57:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-10 10:57:34,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:57:34,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620516849] [2024-11-10 10:57:34,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620516849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:57:34,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:57:34,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:57:34,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51677448] [2024-11-10 10:57:34,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:57:34,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:57:34,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:57:34,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:57:34,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:57:34,440 INFO L87 Difference]: Start difference. First operand has 129 states, 89 states have (on average 1.247191011235955) internal successors, (111), 90 states have internal predecessors, (111), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 10:57:38,581 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 [] [2024-11-10 10:57:40,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:57:40,272 INFO L93 Difference]: Finished difference Result 253 states and 348 transitions. [2024-11-10 10:57:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:57:40,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2024-11-10 10:57:40,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:57:40,281 INFO L225 Difference]: With dead ends: 253 [2024-11-10 10:57:40,281 INFO L226 Difference]: Without dead ends: 121 [2024-11-10 10:57:40,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:57:40,286 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 62 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-10 10:57:40,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 139 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-10 10:57:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-10 10:57:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-10 10:57:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 82 states have (on average 1.2195121951219512) internal successors, (100), 83 states have internal predecessors, (100), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 10:57:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 155 transitions. [2024-11-10 10:57:40,321 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 155 transitions. Word has length 65 [2024-11-10 10:57:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:57:40,321 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 155 transitions. [2024-11-10 10:57:40,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 10:57:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 155 transitions. [2024-11-10 10:57:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 10:57:40,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:57:40,324 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 10:57:40,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:57:40,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:57:40,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:57:40,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1693957968, now seen corresponding path program 1 times [2024-11-10 10:57:40,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:57:40,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231428924] [2024-11-10 10:57:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:57:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms