./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 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_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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:04:27,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:04:27,313 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:04:27,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:04:27,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:04:27,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:04:27,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:04:27,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:04:27,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:04:27,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:04:27,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:04:27,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:04:27,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:04:27,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:04:27,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:04:27,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:04:27,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:04:27,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:04:27,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:04:27,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:04:27,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:04:27,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:04:27,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:04:27,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:04:27,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:04:27,353 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:04:27,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:04:27,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:04:27,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:04:27,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:04:27,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:04:27,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:04:27,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:04:27,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:04:27,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:04:27,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:04:27,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:04:27,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:04:27,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:04:27,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2024-11-10 11:04:27,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:04:27,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:04:27,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:04:27,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:04:27,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:04:27,643 INFO L431 ainManager$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 [2024-11-10 11:04:28,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:04:29,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:04:29,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-11-10 11:04:29,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26bcbeea3/d891a37fe61843f6a10d786a6e033088/FLAG7bab09e7f [2024-11-10 11:04:29,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26bcbeea3/d891a37fe61843f6a10d786a6e033088 [2024-11-10 11:04:29,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:04:29,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:04:29,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:04:29,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:04:29,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:04:29,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:04:29" (1/1) ... [2024-11-10 11:04:29,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2037edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:29, skipping insertion in model container [2024-11-10 11:04:29,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:04:29" (1/1) ... [2024-11-10 11:04:29,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:04:29,895 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] [2024-11-10 11:04:29,904 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] [2024-11-10 11:04:30,830 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,831 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,831 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,832 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,833 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,845 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,845 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,849 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,850 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:30,850 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,310 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,310 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,320 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,328 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,399 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,400 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,400 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,400 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,401 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,401 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,402 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,402 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,402 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,403 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,403 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,403 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,403 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,406 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,407 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,408 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,408 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,413 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,419 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,423 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,423 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:04:31,474 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:04:31,488 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] [2024-11-10 11:04:31,489 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] [2024-11-10 11:04:31,534 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,537 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,537 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,538 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,538 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,543 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,547 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,548 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,549 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,549 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,550 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,550 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,550 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,639 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,640 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,640 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,644 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-10 11:04:31,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,675 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,676 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,676 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,676 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,677 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,677 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,678 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,678 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,678 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,679 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,681 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,681 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,690 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:04:31,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:04:31,942 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:04:31,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31 WrapperNode [2024-11-10 11:04:31,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:04:31,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:04:31,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:04:31,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:04:31,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,089 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 847 [2024-11-10 11:04:32,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:04:32,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:04:32,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:04:32,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:04:32,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,187 INFO L175 MemorySlicer]: Split 342 memory accesses to 6 slices as follows [238, 2, 18, 66, 15, 3]. 70 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [6, 2, 5, 0, 4, 1]. The 259 writes are split as follows [232, 0, 6, 17, 3, 1]. [2024-11-10 11:04:32,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,253 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:04:32,284 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:04:32,284 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:04:32,284 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:04:32,285 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (1/1) ... [2024-11-10 11:04:32,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:04:32,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:04:32,327 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 11:04:32,334 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 11:04:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-10 11:04:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-10 11:04:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-10 11:04:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-10 11:04:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:04:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 11:04:32,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 11:04:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 11:04:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 11:04:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:04:32,369 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:04:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:04:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:04:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:04:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:04:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:04:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:04:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:04:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:04:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:04:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:04:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:04:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:04:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:04:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:04:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:04:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:04:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:04:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:04:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 11:04:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 11:04:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:04:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:04:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:04:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 11:04:32,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:04:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:04:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:04:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:04:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:04:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-10 11:04:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-10 11:04:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 11:04:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 11:04:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:04:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:04:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 11:04:32,374 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2024-11-10 11:04:32,375 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:04:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-10 11:04:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:04:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 11:04:32,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 11:04:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:04:32,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-10 11:04:32,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-10 11:04:32,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:04:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:04:32,693 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:04:32,696 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:04:32,732 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-10 11:04:32,736 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:04:32,760 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2024-11-10 11:04:32,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-10 11:04:32,794 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2024-11-10 11:04:32,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2024-11-10 11:04:32,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-10 11:04:32,995 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:04:33,006 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2024-11-10 11:04:33,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2024-11-10 11:04:33,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2024-11-10 11:04:33,073 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2024-11-10 11:04:33,084 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2024-11-10 11:04:38,917 INFO L? ?]: Removed 204 outVars from TransFormulas that were not future-live. [2024-11-10 11:04:38,918 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:04:38,942 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:04:38,945 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:04:38,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:04:38 BoogieIcfgContainer [2024-11-10 11:04:38,946 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:04:38,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:04:38,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:04:38,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:04:38,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:04:29" (1/3) ... [2024-11-10 11:04:38,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efecfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:04:38, skipping insertion in model container [2024-11-10 11:04:38,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:04:31" (2/3) ... [2024-11-10 11:04:38,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efecfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:04:38, skipping insertion in model container [2024-11-10 11:04:38,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:04:38" (3/3) ... [2024-11-10 11:04:38,956 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2024-11-10 11:04:38,969 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:04:38,970 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:04:39,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:04:39,040 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;@4b2ced0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:04:39,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:04:39,047 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) [2024-11-10 11:04:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 11:04:39,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:04:39,063 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] [2024-11-10 11:04:39,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:04:39,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:04:39,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1235424607, now seen corresponding path program 1 times [2024-11-10 11:04:39,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:04:39,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395564313] [2024-11-10 11:04:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:04:39,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:04:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:04:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:04:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:04:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:04:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:04:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:04:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:04:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:04:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:04:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:04:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:04:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:04:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:04:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:04:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:44,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:04:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:04:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:04:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:04:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 11:04:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 11:04:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 11:04:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 11:04:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 11:04:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 11:04:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 11:04:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 11:04:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-10 11:04:45,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:04:45,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395564313] [2024-11-10 11:04:45,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395564313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:04:45,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:04:45,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 11:04:45,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646816723] [2024-11-10 11:04:45,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:04:45,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 11:04:45,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:04:45,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 11:04:45,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 11:04:45,161 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) [2024-11-10 11:04:49,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:04:53,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:05:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:05:04,962 INFO L93 Difference]: Finished difference Result 757 states and 1214 transitions. [2024-11-10 11:05:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 11:05:04,965 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 [2024-11-10 11:05:04,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:05:04,981 INFO L225 Difference]: With dead ends: 757 [2024-11-10 11:05:04,981 INFO L226 Difference]: Without dead ends: 447 [2024-11-10 11:05:04,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:05:04,997 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 287 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 402 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2024-11-10 11:05:04,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 363 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 659 Invalid, 2 Unknown, 0 Unchecked, 19.1s Time] [2024-11-10 11:05:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-10 11:05:05,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 322. [2024-11-10 11:05:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 194 states have (on average 1.2010309278350515) internal successors, (233), 195 states have internal predecessors, (233), 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) [2024-11-10 11:05:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 440 transitions. [2024-11-10 11:05:05,101 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 440 transitions. Word has length 156 [2024-11-10 11:05:05,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:05:05,105 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 440 transitions. [2024-11-10 11:05:05,105 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) [2024-11-10 11:05:05,106 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 440 transitions. [2024-11-10 11:05:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 11:05:05,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:05:05,112 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] [2024-11-10 11:05:05,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:05:05,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:05:05,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:05:05,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1665675460, now seen corresponding path program 1 times [2024-11-10 11:05:05,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:05:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767600061] [2024-11-10 11:05:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:05:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:05:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:05:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:05:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:05:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:05:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:05:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:05:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:05:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:05:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:05:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:05:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:05:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:05:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 11:05:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 11:05:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 11:05:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 11:05:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 11:05:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 11:05:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:12,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 11:05:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:12,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 11:05:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-10 11:05:12,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:05:12,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767600061] [2024-11-10 11:05:12,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767600061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:05:12,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80392181] [2024-11-10 11:05:12,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:12,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:05:12,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:05:12,027 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) [2024-11-10 11:05:12,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 11:05:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:17,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 4494 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 11:05:17,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:05:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 11:05:19,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 11:05:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80392181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:05:19,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 11:05:19,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-10 11:05:19,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698018852] [2024-11-10 11:05:19,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:05:19,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 11:05:19,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:05:19,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 11:05:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 11:05:19,185 INFO L87 Difference]: Start difference. First operand 322 states and 440 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) [2024-11-10 11:05:22,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:05:22,309 INFO L93 Difference]: Finished difference Result 598 states and 822 transitions. [2024-11-10 11:05:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 11:05:22,310 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 [2024-11-10 11:05:22,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:05:22,319 INFO L225 Difference]: With dead ends: 598 [2024-11-10 11:05:22,319 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 11:05:22,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 11:05:22,322 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 440 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 11:05:22,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 1541 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 11:05:22,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 11:05:22,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2024-11-10 11:05:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 195 states have (on average 1.2) internal successors, (234), 197 states have internal predecessors, (234), 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) [2024-11-10 11:05:22,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 445 transitions. [2024-11-10 11:05:22,364 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 445 transitions. Word has length 156 [2024-11-10 11:05:22,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:05:22,365 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 445 transitions. [2024-11-10 11:05:22,365 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) [2024-11-10 11:05:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 445 transitions. [2024-11-10 11:05:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 11:05:22,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:05:22,371 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] [2024-11-10 11:05:22,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 11:05:22,572 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 [2024-11-10 11:05:22,573 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:05:22,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:05:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash 301042602, now seen corresponding path program 1 times [2024-11-10 11:05:22,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:05:22,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506640837] [2024-11-10 11:05:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:05:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:05:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:05:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:05:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:05:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:05:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:05:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:05:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:27,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:05:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:05:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:05:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:05:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-10 11:05:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 11:05:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 11:05:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 11:05:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 11:05:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 11:05:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 11:05:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 11:05:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 11:05:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 11:05:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-10 11:05:29,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:05:29,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506640837] [2024-11-10 11:05:29,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506640837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:05:29,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164721821] [2024-11-10 11:05:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:29,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:05:29,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:05:29,276 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) [2024-11-10 11:05:29,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 11:05:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:34,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 4544 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 11:05:34,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:05:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 11:05:36,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 11:05:36,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164721821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:05:36,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 11:05:36,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-10 11:05:36,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522580812] [2024-11-10 11:05:36,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:05:36,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 11:05:36,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:05:36,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 11:05:36,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-10 11:05:36,699 INFO L87 Difference]: Start difference. First operand 324 states and 445 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 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) [2024-11-10 11:05:43,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:05:43,195 INFO L93 Difference]: Finished difference Result 621 states and 869 transitions. [2024-11-10 11:05:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 11:05:43,196 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 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 [2024-11-10 11:05:43,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:05:43,200 INFO L225 Difference]: With dead ends: 621 [2024-11-10 11:05:43,200 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 11:05:43,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-10 11:05:43,204 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 488 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-10 11:05:43,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 2211 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-10 11:05:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 11:05:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2024-11-10 11:05:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 211 states have (on average 1.2132701421800949) internal successors, (256), 213 states have internal predecessors, (256), 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) [2024-11-10 11:05:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 482 transitions. [2024-11-10 11:05:43,241 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 482 transitions. Word has length 164 [2024-11-10 11:05:43,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:05:43,243 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 482 transitions. [2024-11-10 11:05:43,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 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) [2024-11-10 11:05:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 482 transitions. [2024-11-10 11:05:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 11:05:43,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:05:43,247 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] [2024-11-10 11:05:43,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 11:05:43,447 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 [2024-11-10 11:05:43,448 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:05:43,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:05:43,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1115840309, now seen corresponding path program 1 times [2024-11-10 11:05:43,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:05:43,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089335368] [2024-11-10 11:05:43,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:43,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:05:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:05:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:05:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:05:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:05:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:05:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:05:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:05:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:05:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:05:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:05:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:05:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:05:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 11:05:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 11:05:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 11:05:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 11:05:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 11:05:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 11:05:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 11:05:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 11:05:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 11:05:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 11:05:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-10 11:05:50,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:05:50,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089335368] [2024-11-10 11:05:50,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089335368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:05:50,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727429811] [2024-11-10 11:05:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:50,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:05:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:05:50,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 11:05:50,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 11:05:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:56,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 4671 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 11:05:56,028 INFO L278 TraceCheckSpWp]: Computing forward predicates...