./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_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_priority_queue_s_sift_down_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 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:18:23,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:18:23,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:18:23,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:18:23,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:18:23,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:18:23,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:18:23,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:18:23,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:18:23,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:18:23,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:18:23,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:18:23,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:18:23,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:18:23,196 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:18:23,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:18:23,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:18:23,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:18:23,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:18:23,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:18:23,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:18:23,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:18:23,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:18:23,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:18:23,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:18:23,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:18:23,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:18:23,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:18:23,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:18:23,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:23,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:18:23,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:18:23,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:18:23,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:18:23,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:18:23,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:18:23,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:18:23,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:18:23,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:18:23,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2024-11-09 03:18:23,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:18:23,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:18:23,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:18:23,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:18:23,477 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:18:23,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-11-09 03:18:24,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:18:25,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:18:25,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-11-09 03:18:25,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f3b0dfd3/065055866caf42259f37abc4c0ea6963/FLAGda8bb4c10 [2024-11-09 03:18:25,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f3b0dfd3/065055866caf42259f37abc4c0ea6963 [2024-11-09 03:18:25,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:18:25,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:18:25,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:25,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:18:25,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:18:25,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:25,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4424ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25, skipping insertion in model container [2024-11-09 03:18:25,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:25,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:18:26,019 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_priority_queue_s_sift_down_harness.i[4504,4517] [2024-11-09 03:18:26,029 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_priority_queue_s_sift_down_harness.i[4564,4577] [2024-11-09 03:18:26,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,761 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:26,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:27,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:18:27,439 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_priority_queue_s_sift_down_harness.i[4504,4517] [2024-11-09 03:18:27,440 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_priority_queue_s_sift_down_harness.i[4564,4577] [2024-11-09 03:18:27,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-09 03:18:27,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:27,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:27,946 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:18:27,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27 WrapperNode [2024-11-09 03:18:27,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:27,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:27,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:18:27,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:18:27,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,168 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 850 [2024-11-09 03:18:28,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:28,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:18:28,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:18:28,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:18:28,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,295 INFO L175 MemorySlicer]: Split 342 memory accesses to 6 slices as follows [238, 2, 3, 15, 18, 66]. 70 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [6, 2, 1, 4, 5, 0]. The 259 writes are split as follows [232, 0, 1, 3, 6, 17]. [2024-11-09 03:18:28,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:18:28,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:18:28,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:18:28,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:18:28,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (1/1) ... [2024-11-09 03:18:28,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:28,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:18:28,445 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 03:18:28,452 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 03:18:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-09 03:18:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-09 03:18:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:18:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:18:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:18:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 03:18:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 03:18:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:18:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:18:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:18:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:18:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:18:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:18:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:18:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:18:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:18:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:18:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:18:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:18:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:18:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:18:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:18:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:18:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:18:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:18:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:18:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:18:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:18:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:18:28,503 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:18:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:18:28,504 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:18:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:18:28,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:18:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 03:18:28,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:18:28,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:18:28,505 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:18:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2024-11-09 03:18:28,506 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:28,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:18:28,506 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:18:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:18:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:18:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:18:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:18:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:18:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:18:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:18:28,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:18:28,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:18:35,747 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-11-09 03:18:35,747 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:18:35,774 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:18:35,776 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 03:18:35,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:35 BoogieIcfgContainer [2024-11-09 03:18:35,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:18:35,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:18:35,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:18:35,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:18:35,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:18:25" (1/3) ... [2024-11-09 03:18:35,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@938ffe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:35, skipping insertion in model container [2024-11-09 03:18:35,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:27" (2/3) ... [2024-11-09 03:18:35,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@938ffe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:35, skipping insertion in model container [2024-11-09 03:18:35,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:35" (3/3) ... [2024-11-09 03:18:35,787 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2024-11-09 03:18:35,804 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:18:35,804 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:18:35,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:18:35,899 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;@6ed4630e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:18:35,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:18:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 328 states, 199 states have (on average 1.2311557788944723) internal successors, (245), 200 states have internal predecessors, (245), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 03:18:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 03:18:35,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:18:35,926 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:18:35,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:18:35,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:18:35,933 INFO L85 PathProgramCache]: Analyzing trace with hash 213783487, now seen corresponding path program 1 times [2024-11-09 03:18:35,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:18:35,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120895396] [2024-11-09 03:18:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:18:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:18:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:18:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:18:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:18:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:18:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:18:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:18:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:18:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:18:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:18:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:18:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:18:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:18:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:18:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:18:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:18:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:18:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:18:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 03:18:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 03:18:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:18:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 03:18:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-09 03:18:43,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:18:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120895396] [2024-11-09 03:18:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120895396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:18:43,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:18:43,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:18:43,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194971894] [2024-11-09 03:18:43,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:18:43,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:18:43,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:18:43,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:18:43,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:18:43,116 INFO L87 Difference]: Start difference. First operand has 328 states, 199 states have (on average 1.2311557788944723) internal successors, (245), 200 states have internal predecessors, (245), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 03:18:47,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:51,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:19:04,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:04,740 INFO L93 Difference]: Finished difference Result 757 states and 1214 transitions. [2024-11-09 03:19:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:19:04,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2024-11-09 03:19:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:04,758 INFO L225 Difference]: With dead ends: 757 [2024-11-09 03:19:04,759 INFO L226 Difference]: Without dead ends: 447 [2024-11-09 03:19:04,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:19:04,769 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 283 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 396 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:04,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 374 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 654 Invalid, 2 Unknown, 0 Unchecked, 20.8s Time] [2024-11-09 03:19:04,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-09 03:19:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 323. [2024-11-09 03:19:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 195 states have (on average 1.2) internal successors, (234), 196 states have internal predecessors, (234), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-09 03:19:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 441 transitions. [2024-11-09 03:19:04,888 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 441 transitions. Word has length 156 [2024-11-09 03:19:04,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:04,889 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 441 transitions. [2024-11-09 03:19:04,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 03:19:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 441 transitions. [2024-11-09 03:19:04,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 03:19:04,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:04,898 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:19:04,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:19:04,898 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:04,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:04,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1721016325, now seen corresponding path program 1 times [2024-11-09 03:19:04,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:04,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460783308] [2024-11-09 03:19:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:19:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:19:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:19:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:19:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 03:19:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 03:19:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:19:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 03:19:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-09 03:19:13,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:13,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460783308] [2024-11-09 03:19:13,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460783308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:13,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112091393] [2024-11-09 03:19:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:13,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:13,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:13,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 03:19:13,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:19:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:19,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 4489 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 03:19:19,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 03:19:20,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:20,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112091393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:20,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:20,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-09 03:19:20,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45070870] [2024-11-09 03:19:20,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:20,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:19:20,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:20,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:19:20,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 03:19:20,995 INFO L87 Difference]: Start difference. First operand 323 states and 441 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 03:19:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:24,272 INFO L93 Difference]: Finished difference Result 600 states and 824 transitions. [2024-11-09 03:19:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:19:24,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 156 [2024-11-09 03:19:24,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:24,279 INFO L225 Difference]: With dead ends: 600 [2024-11-09 03:19:24,280 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 03:19:24,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 03:19:24,284 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 443 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:24,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1543 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 03:19:24,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 03:19:24,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-11-09 03:19:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 196 states have (on average 1.1989795918367347) internal successors, (235), 198 states have internal predecessors, (235), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2024-11-09 03:19:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 446 transitions. [2024-11-09 03:19:24,329 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 446 transitions. Word has length 156 [2024-11-09 03:19:24,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:24,330 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 446 transitions. [2024-11-09 03:19:24,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 03:19:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 446 transitions. [2024-11-09 03:19:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 03:19:24,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:24,334 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:19:24,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 03:19:24,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:24,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:24,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:24,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1206135323, now seen corresponding path program 1 times [2024-11-09 03:19:24,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:24,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731759247] [2024-11-09 03:19:24,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:24,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 03:19:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 03:19:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 03:19:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:19:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 03:19:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 03:19:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:19:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 03:19:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 03:19:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 03:19:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-09 03:19:33,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:33,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731759247] [2024-11-09 03:19:33,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731759247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:33,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326458926] [2024-11-09 03:19:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:33,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:33,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 03:19:33,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 03:19:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:38,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 4539 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 03:19:38,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-09 03:19:41,220 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:41,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326458926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:41,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:41,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 03:19:41,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942884683] [2024-11-09 03:19:41,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:41,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 03:19:41,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:41,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 03:19:41,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-09 03:19:41,224 INFO L87 Difference]: Start difference. First operand 325 states and 446 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 03:19:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:45,031 INFO L93 Difference]: Finished difference Result 623 states and 871 transitions. [2024-11-09 03:19:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 03:19:45,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 164 [2024-11-09 03:19:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:45,035 INFO L225 Difference]: With dead ends: 623 [2024-11-09 03:19:45,035 INFO L226 Difference]: Without dead ends: 346 [2024-11-09 03:19:45,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-09 03:19:45,037 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 40 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:45,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 2382 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 03:19:45,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-09 03:19:45,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 344. [2024-11-09 03:19:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 212 states have (on average 1.2122641509433962) internal successors, (257), 214 states have internal predecessors, (257), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2024-11-09 03:19:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 483 transitions. [2024-11-09 03:19:45,069 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 483 transitions. Word has length 164 [2024-11-09 03:19:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:45,072 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 483 transitions. [2024-11-09 03:19:45,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 03:19:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 483 transitions. [2024-11-09 03:19:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 03:19:45,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:45,077 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 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 03:19:45,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 03:19:45,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 03:19:45,279 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:45,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:45,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1508351070, now seen corresponding path program 1 times [2024-11-09 03:19:45,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:45,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147839059] [2024-11-09 03:19:45,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:45,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms