./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_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-dev-4a390ef-m [2024-10-24 13:00:09,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:00:09,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:00:09,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:00:09,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:00:09,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:00:09,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:00:09,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:00:09,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:00:09,392 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:00:09,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:00:09,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:00:09,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:00:09,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:00:09,394 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:00:09,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:00:09,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:00:09,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:00:09,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:00:09,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:00:09,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:00:09,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:00:09,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:00:09,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:00:09,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:00:09,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:00:09,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:00:09,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:00:09,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:00:09,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:00:09,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:00:09,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:00:09,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:00:09,406 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:00:09,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:00:09,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:00:09,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:00:09,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:00:09,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:00:09,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2024-10-24 13:00:09,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:00:09,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:00:09,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:00:09,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:00:09,672 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:00:09,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-10-24 13:00:11,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:00:11,592 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:00:11,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2024-10-24 13:00:11,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc30b3e9d/60ec140f3cde4fea976d322655a03d6f/FLAGad31516d3 [2024-10-24 13:00:11,725 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc30b3e9d/60ec140f3cde4fea976d322655a03d6f [2024-10-24 13:00:11,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:00:11,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:00:11,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:00:11,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:00:11,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:00:11,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:00:11" (1/1) ... [2024-10-24 13:00:11,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19aee037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:11, skipping insertion in model container [2024-10-24 13:00:11,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:00:11" (1/1) ... [2024-10-24 13:00:11,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:00:12,155 WARN L248 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] [2024-10-24 13:00:12,161 WARN L248 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] [2024-10-24 13:00:12,840 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,841 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,845 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,846 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,847 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,864 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,866 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,869 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,869 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,871 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,872 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,872 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:12,873 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,324 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,324 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,328 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,334 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,402 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,404 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,405 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,405 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,405 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,406 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,406 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,406 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,407 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,407 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,407 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,408 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,408 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,411 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,411 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,412 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,413 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,416 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,419 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,425 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,428 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,428 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:00:13,480 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:00:13,494 WARN L248 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] [2024-10-24 13:00:13,496 WARN L248 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] [2024-10-24 13:00:13,575 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,576 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,576 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,577 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,577 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,609 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,610 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,611 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,611 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,612 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,612 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,613 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,613 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,690 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,690 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,691 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,695 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-10-24 13:00:13,738 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,738 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,739 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,739 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,739 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,740 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,740 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,741 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,741 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,742 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,742 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,742 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,743 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,744 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,744 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,744 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,745 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,747 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,748 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,752 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,753 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,754 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:13,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:00:13,975 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:00:13,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13 WrapperNode [2024-10-24 13:00:13,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:00:13,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:00:13,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:00:13,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:00:13,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,154 INFO L138 Inliner]: procedures = 686, calls = 1888, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 846 [2024-10-24 13:00:14,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:00:14,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:00:14,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:00:14,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:00:14,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,272 INFO L175 MemorySlicer]: Split 338 memory accesses to 6 slices as follows [236, 2, 15, 64, 3, 18]. 70 percent of accesses are in the largest equivalence class. The 259 initializations are split as follows [236, 2, 4, 11, 1, 5]. The 14 writes are split as follows [0, 0, 3, 4, 1, 6]. [2024-10-24 13:00:14,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:00:14,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:00:14,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:00:14,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:00:14,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (1/1) ... [2024-10-24 13:00:14,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:00:14,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:14,392 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) [2024-10-24 13:00:14,424 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 [2024-10-24 13:00:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-10-24 13:00:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-10-24 13:00:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-24 13:00:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-24 13:00:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:00:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-24 13:00:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-24 13:00:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-24 13:00:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-24 13:00:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:00:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:00:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-24 13:00:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-24 13:00:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 13:00:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 13:00:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:00:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:00:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-24 13:00:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-24 13:00:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:00:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:00:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 13:00:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 13:00:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-24 13:00:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-24 13:00:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-24 13:00:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-24 13:00:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-24 13:00:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-24 13:00:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-24 13:00:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-24 13:00:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-24 13:00:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-24 13:00:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:00:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:00:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-24 13:00:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-24 13:00:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:00:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:00:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:00:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:00:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:00:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:00:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:00:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2024-10-24 13:00:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2024-10-24 13:00:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:00:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:00:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:00:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:00:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:00:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:00:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-10-24 13:00:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-10-24 13:00:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-24 13:00:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-24 13:00:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:00:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-24 13:00:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-24 13:00:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-24 13:00:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:00:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:00:14,812 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:00:14,815 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:00:15,885 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-10-24 13:00:15,886 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:00:16,000 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:00:16,001 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-24 13:00:16,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:00:16 BoogieIcfgContainer [2024-10-24 13:00:16,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:00:16,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:00:16,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:00:16,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:00:16,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:00:11" (1/3) ... [2024-10-24 13:00:16,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4f5b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:00:16, skipping insertion in model container [2024-10-24 13:00:16,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:13" (2/3) ... [2024-10-24 13:00:16,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4f5b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:00:16, skipping insertion in model container [2024-10-24 13:00:16,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:00:16" (3/3) ... [2024-10-24 13:00:16,015 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2024-10-24 13:00:16,032 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:00:16,033 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:00:16,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:00:16,118 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;@5cc55a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:00:16,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:00:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 297 states, 168 states have (on average 1.2738095238095237) internal successors, (214), 169 states have internal predecessors, (214), 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) [2024-10-24 13:00:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 13:00:16,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:16,146 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 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] [2024-10-24 13:00:16,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:16,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1471517544, now seen corresponding path program 1 times [2024-10-24 13:00:16,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:16,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380349433] [2024-10-24 13:00:16,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:16,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:00:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:00:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 13:00:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 13:00:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:00:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:00:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:00:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-10-24 13:00:17,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:17,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380349433] [2024-10-24 13:00:17,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380349433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:17,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:17,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:00:17,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459770311] [2024-10-24 13:00:17,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:17,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:00:17,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:00:17,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:00:17,166 INFO L87 Difference]: Start difference. First operand has 297 states, 168 states have (on average 1.2738095238095237) internal successors, (214), 169 states have internal predecessors, (214), 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 10.75) internal successors, (43), 2 states have internal predecessors, (43), 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) [2024-10-24 13:00:19,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:19,347 INFO L93 Difference]: Finished difference Result 691 states and 1148 transitions. [2024-10-24 13:00:19,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:00:19,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 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 142 [2024-10-24 13:00:19,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:19,368 INFO L225 Difference]: With dead ends: 691 [2024-10-24 13:00:19,369 INFO L226 Difference]: Without dead ends: 412 [2024-10-24 13:00:19,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:00:19,377 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 245 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:19,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 320 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 13:00:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-24 13:00:19,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 295. [2024-10-24 13:00:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 167 states have (on average 1.2335329341317365) internal successors, (206), 168 states have internal predecessors, (206), 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) [2024-10-24 13:00:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 413 transitions. [2024-10-24 13:00:19,482 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 413 transitions. Word has length 142 [2024-10-24 13:00:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:19,485 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 413 transitions. [2024-10-24 13:00:19,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 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) [2024-10-24 13:00:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 413 transitions. [2024-10-24 13:00:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 13:00:19,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:19,495 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 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] [2024-10-24 13:00:19,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:00:19,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:19,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:19,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1387246874, now seen corresponding path program 1 times [2024-10-24 13:00:19,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:19,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754047242] [2024-10-24 13:00:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:19,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:00:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:00:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 13:00:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 13:00:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 13:00:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:00:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:00:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-10-24 13:00:20,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:20,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754047242] [2024-10-24 13:00:20,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754047242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:20,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020504176] [2024-10-24 13:00:20,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:20,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:20,360 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) [2024-10-24 13:00:20,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:00:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:20,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 13:00:20,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 13:00:20,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:20,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020504176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:20,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:20,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-10-24 13:00:20,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762561295] [2024-10-24 13:00:20,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:20,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:00:20,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:20,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:00:20,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:00:20,995 INFO L87 Difference]: Start difference. First operand 295 states and 413 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-10-24 13:00:21,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:21,253 INFO L93 Difference]: Finished difference Result 549 states and 773 transitions. [2024-10-24 13:00:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:00:21,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 142 [2024-10-24 13:00:21,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:21,258 INFO L225 Difference]: With dead ends: 549 [2024-10-24 13:00:21,258 INFO L226 Difference]: Without dead ends: 297 [2024-10-24 13:00:21,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:00:21,261 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 22 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:21,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1425 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:00:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-24 13:00:21,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-10-24 13:00:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 170 states have internal predecessors, (207), 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) [2024-10-24 13:00:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 418 transitions. [2024-10-24 13:00:21,313 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 418 transitions. Word has length 142 [2024-10-24 13:00:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:21,317 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 418 transitions. [2024-10-24 13:00:21,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2024-10-24 13:00:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 418 transitions. [2024-10-24 13:00:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 13:00:21,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:21,324 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 3, 3, 3, 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] [2024-10-24 13:00:21,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:21,525 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 [2024-10-24 13:00:21,526 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:21,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1396222726, now seen corresponding path program 1 times [2024-10-24 13:00:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:21,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492349156] [2024-10-24 13:00:21,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:21,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:21,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:21,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:00:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:00:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:00:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:00:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:00:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:00:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:00:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 13:00:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 13:00:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:00:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-24 13:00:22,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:22,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492349156] [2024-10-24 13:00:22,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492349156] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:22,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094534243] [2024-10-24 13:00:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:22,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:22,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:22,345 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) [2024-10-24 13:00:22,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:00:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 2343 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 13:00:22,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 13:00:22,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:22,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094534243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:22,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:22,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-10-24 13:00:22,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846705888] [2024-10-24 13:00:22,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:22,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:00:22,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:22,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:00:22,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:22,994 INFO L87 Difference]: Start difference. First operand 297 states and 418 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2024-10-24 13:00:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:23,417 INFO L93 Difference]: Finished difference Result 572 states and 820 transitions. [2024-10-24 13:00:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:00:23,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 150 [2024-10-24 13:00:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:23,421 INFO L225 Difference]: With dead ends: 572 [2024-10-24 13:00:23,422 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 13:00:23,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:00:23,427 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 39 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:23,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2167 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 13:00:23,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 13:00:23,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2024-10-24 13:00:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 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) [2024-10-24 13:00:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-10-24 13:00:23,470 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 150 [2024-10-24 13:00:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:23,471 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-10-24 13:00:23,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2024-10-24 13:00:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-10-24 13:00:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 13:00:23,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:23,475 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 3, 3, 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] [2024-10-24 13:00:23,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 13:00:23,675 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 [2024-10-24 13:00:23,676 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:23,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:23,676 INFO L85 PathProgramCache]: Analyzing trace with hash -964454930, now seen corresponding path program 1 times [2024-10-24 13:00:23,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:23,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255455511] [2024-10-24 13:00:23,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:23,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 13:00:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:00:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 13:00:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 13:00:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:00:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:00:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:00:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:00:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-10-24 13:00:24,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:24,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255455511] [2024-10-24 13:00:24,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255455511] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:24,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940266343] [2024-10-24 13:00:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:24,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:24,636 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) [2024-10-24 13:00:24,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 13:00:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 13:00:25,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-24 13:00:25,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:25,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940266343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:25,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:25,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-10-24 13:00:25,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863303089] [2024-10-24 13:00:25,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:25,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:00:25,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:25,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:00:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:00:25,279 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-10-24 13:00:25,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:25,588 INFO L93 Difference]: Finished difference Result 595 states and 864 transitions. [2024-10-24 13:00:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:00:25,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 163 [2024-10-24 13:00:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:25,592 INFO L225 Difference]: With dead ends: 595 [2024-10-24 13:00:25,592 INFO L226 Difference]: Without dead ends: 322 [2024-10-24 13:00:25,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:00:25,595 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 39 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:25,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1735 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:00:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-24 13:00:25,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 316. [2024-10-24 13:00:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 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) [2024-10-24 13:00:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-10-24 13:00:25,618 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 163 [2024-10-24 13:00:25,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:25,619 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-10-24 13:00:25,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-10-24 13:00:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-10-24 13:00:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-24 13:00:25,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:25,622 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:25,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 13:00:25,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:25,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:25,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1580314595, now seen corresponding path program 1 times [2024-10-24 13:00:25,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:25,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573986645] [2024-10-24 13:00:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:25,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:00:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 13:00:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:00:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 13:00:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:00:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:00:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 13:00:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:00:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:00:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-10-24 13:00:26,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573986645] [2024-10-24 13:00:26,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573986645] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385237678] [2024-10-24 13:00:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:26,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:26,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:26,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 13:00:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:27,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 13:00:27,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-24 13:00:27,673 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:27,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385237678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:27,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:27,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-24 13:00:27,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874678391] [2024-10-24 13:00:27,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:27,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:00:27,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:00:27,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:27,676 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-10-24 13:00:28,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:28,198 INFO L93 Difference]: Finished difference Result 622 states and 903 transitions. [2024-10-24 13:00:28,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:00:28,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 179 [2024-10-24 13:00:28,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:28,205 INFO L225 Difference]: With dead ends: 622 [2024-10-24 13:00:28,205 INFO L226 Difference]: Without dead ends: 349 [2024-10-24 13:00:28,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:28,208 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 61 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:28,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 2363 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:00:28,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-24 13:00:28,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 316. [2024-10-24 13:00:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 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) [2024-10-24 13:00:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 455 transitions. [2024-10-24 13:00:28,239 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 455 transitions. Word has length 179 [2024-10-24 13:00:28,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:28,240 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 455 transitions. [2024-10-24 13:00:28,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-10-24 13:00:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 455 transitions. [2024-10-24 13:00:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 13:00:28,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:28,242 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:28,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 13:00:28,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:28,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:28,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:28,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1545876551, now seen corresponding path program 2 times [2024-10-24 13:00:28,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:28,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949163315] [2024-10-24 13:00:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:00:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 13:00:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:00:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 13:00:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 13:00:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-10-24 13:00:29,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:29,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949163315] [2024-10-24 13:00:29,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949163315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:29,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:29,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:00:29,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931658406] [2024-10-24 13:00:29,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:29,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:00:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:29,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:00:29,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:00:29,351 INFO L87 Difference]: Start difference. First operand 316 states and 455 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 6 states have internal predecessors, (70), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-24 13:00:32,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:32,374 INFO L93 Difference]: Finished difference Result 739 states and 1149 transitions. [2024-10-24 13:00:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 13:00:32,375 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 6 states have internal predecessors, (70), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 192 [2024-10-24 13:00:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:32,381 INFO L225 Difference]: With dead ends: 739 [2024-10-24 13:00:32,381 INFO L226 Difference]: Without dead ends: 496 [2024-10-24 13:00:32,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:32,385 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 380 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:32,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1159 Invalid, 3023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-24 13:00:32,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-10-24 13:00:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 318. [2024-10-24 13:00:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 185 states have (on average 1.2432432432432432) internal successors, (230), 188 states have internal predecessors, (230), 106 states have call successors, (106), 23 states have call predecessors, (106), 26 states have return successors, (122), 106 states have call predecessors, (122), 105 states have call successors, (122) [2024-10-24 13:00:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 458 transitions. [2024-10-24 13:00:32,427 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 458 transitions. Word has length 192 [2024-10-24 13:00:32,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:32,428 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 458 transitions. [2024-10-24 13:00:32,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 6 states have internal predecessors, (70), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-24 13:00:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 458 transitions. [2024-10-24 13:00:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-24 13:00:32,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:32,431 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:32,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:00:32,431 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:32,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash 588105943, now seen corresponding path program 1 times [2024-10-24 13:00:32,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:32,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133194929] [2024-10-24 13:00:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:00:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 13:00:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 13:00:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 13:00:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 13:00:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 13:00:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-10-24 13:00:33,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133194929] [2024-10-24 13:00:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133194929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:33,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:33,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 13:00:33,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100282975] [2024-10-24 13:00:33,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:33,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:00:33,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:33,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:00:33,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:00:33,576 INFO L87 Difference]: Start difference. First operand 318 states and 458 transitions. Second operand has 11 states, 10 states have (on average 7.3) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-24 13:00:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:36,803 INFO L93 Difference]: Finished difference Result 747 states and 1170 transitions. [2024-10-24 13:00:36,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:00:36,804 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 213 [2024-10-24 13:00:36,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:36,809 INFO L225 Difference]: With dead ends: 747 [2024-10-24 13:00:36,809 INFO L226 Difference]: Without dead ends: 502 [2024-10-24 13:00:36,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:00:36,812 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 409 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 2857 mSolverCounterSat, 493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 2857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:36,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1172 Invalid, 3350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 2857 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 13:00:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-10-24 13:00:36,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 319. [2024-10-24 13:00:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 186 states have (on average 1.2419354838709677) internal successors, (231), 189 states have internal predecessors, (231), 106 states have call successors, (106), 23 states have call predecessors, (106), 26 states have return successors, (122), 106 states have call predecessors, (122), 105 states have call successors, (122) [2024-10-24 13:00:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 459 transitions. [2024-10-24 13:00:36,840 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 459 transitions. Word has length 213 [2024-10-24 13:00:36,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:36,841 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 459 transitions. [2024-10-24 13:00:36,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 7 states have internal predecessors, (73), 5 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-24 13:00:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 459 transitions. [2024-10-24 13:00:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 13:00:36,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:36,844 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:36,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:00:36,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:36,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash -708840440, now seen corresponding path program 1 times [2024-10-24 13:00:36,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:36,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171467216] [2024-10-24 13:00:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:36,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 13:00:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 13:00:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 13:00:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 13:00:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:00:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:00:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-10-24 13:00:38,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:38,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171467216] [2024-10-24 13:00:38,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171467216] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:38,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679962683] [2024-10-24 13:00:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:38,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:38,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:38,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:38,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 13:00:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:38,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 13:00:38,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-10-24 13:00:38,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:00:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-10-24 13:00:39,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679962683] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:00:39,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:00:39,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2024-10-24 13:00:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846891741] [2024-10-24 13:00:39,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:00:39,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 13:00:39,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 13:00:39,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2024-10-24 13:00:39,405 INFO L87 Difference]: Start difference. First operand 319 states and 459 transitions. Second operand has 24 states, 21 states have (on average 7.285714285714286) internal successors, (153), 18 states have internal predecessors, (153), 13 states have call successors, (81), 8 states have call predecessors, (81), 6 states have return successors, (71), 7 states have call predecessors, (71), 13 states have call successors, (71) [2024-10-24 13:00:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:43,831 INFO L93 Difference]: Finished difference Result 732 states and 1126 transitions. [2024-10-24 13:00:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 13:00:43,832 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 7.285714285714286) internal successors, (153), 18 states have internal predecessors, (153), 13 states have call successors, (81), 8 states have call predecessors, (81), 6 states have return successors, (71), 7 states have call predecessors, (71), 13 states have call successors, (71) Word has length 216 [2024-10-24 13:00:43,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:43,838 INFO L225 Difference]: With dead ends: 732 [2024-10-24 13:00:43,838 INFO L226 Difference]: Without dead ends: 486 [2024-10-24 13:00:43,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 485 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=1302, Unknown=0, NotChecked=0, Total=1482 [2024-10-24 13:00:43,842 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 569 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 6477 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 7154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 6477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:43,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 2784 Invalid, 7154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 6477 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-24 13:00:43,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-10-24 13:00:43,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 332. [2024-10-24 13:00:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 198 states have (on average 1.2525252525252526) internal successors, (248), 200 states have internal predecessors, (248), 107 states have call successors, (107), 23 states have call predecessors, (107), 26 states have return successors, (123), 108 states have call predecessors, (123), 106 states have call successors, (123) [2024-10-24 13:00:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 478 transitions. [2024-10-24 13:00:43,870 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 478 transitions. Word has length 216 [2024-10-24 13:00:43,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:43,873 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 478 transitions. [2024-10-24 13:00:43,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 7.285714285714286) internal successors, (153), 18 states have internal predecessors, (153), 13 states have call successors, (81), 8 states have call predecessors, (81), 6 states have return successors, (71), 7 states have call predecessors, (71), 13 states have call successors, (71) [2024-10-24 13:00:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 478 transitions. [2024-10-24 13:00:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-24 13:00:43,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:43,877 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:43,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:44,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:44,078 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:44,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash 920308230, now seen corresponding path program 2 times [2024-10-24 13:00:44,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:44,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273014582] [2024-10-24 13:00:44,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 13:00:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 13:00:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 13:00:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 13:00:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 13:00:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:00:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-24 13:00:45,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:45,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273014582] [2024-10-24 13:00:45,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273014582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:45,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216376389] [2024-10-24 13:00:45,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 13:00:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:45,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:45,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 13:00:46,189 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 13:00:46,190 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:46,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 2894 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 13:00:46,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-24 13:00:46,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:46,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216376389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:46,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:46,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 21 [2024-10-24 13:00:46,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182874742] [2024-10-24 13:00:46,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:46,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:00:46,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:46,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:00:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2024-10-24 13:00:46,410 INFO L87 Difference]: Start difference. First operand 332 states and 478 transitions. Second operand has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 5 states have call predecessors, (30), 6 states have call successors, (30) [2024-10-24 13:00:47,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:47,019 INFO L93 Difference]: Finished difference Result 608 states and 882 transitions. [2024-10-24 13:00:47,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:00:47,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 5 states have call predecessors, (30), 6 states have call successors, (30) Word has length 229 [2024-10-24 13:00:47,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:47,023 INFO L225 Difference]: With dead ends: 608 [2024-10-24 13:00:47,023 INFO L226 Difference]: Without dead ends: 349 [2024-10-24 13:00:47,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2024-10-24 13:00:47,026 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 98 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:47,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2966 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:00:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-24 13:00:47,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 316. [2024-10-24 13:00:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (118), 106 states have call predecessors, (118), 105 states have call successors, (118) [2024-10-24 13:00:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 453 transitions. [2024-10-24 13:00:47,048 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 453 transitions. Word has length 229 [2024-10-24 13:00:47,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:47,048 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 453 transitions. [2024-10-24 13:00:47,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 5 states have call predecessors, (30), 6 states have call successors, (30) [2024-10-24 13:00:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 453 transitions. [2024-10-24 13:00:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-10-24 13:00:47,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:47,051 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:47,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 13:00:47,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:47,253 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:47,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:47,253 INFO L85 PathProgramCache]: Analyzing trace with hash -2003826100, now seen corresponding path program 3 times [2024-10-24 13:00:47,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:47,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062951155] [2024-10-24 13:00:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:00:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:00:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:00:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:00:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 13:00:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 13:00:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-10-24 13:00:48,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:48,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062951155] [2024-10-24 13:00:48,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062951155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828703486] [2024-10-24 13:00:48,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 13:00:48,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:48,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:48,404 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:48,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 13:00:49,074 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 13:00:49,074 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:49,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 1861 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 13:00:49,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-10-24 13:00:49,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:49,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828703486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:49,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:49,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2024-10-24 13:00:49,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717817855] [2024-10-24 13:00:49,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:49,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:00:49,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:49,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:00:49,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:49,165 INFO L87 Difference]: Start difference. First operand 316 states and 453 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:00:49,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:49,515 INFO L93 Difference]: Finished difference Result 555 states and 811 transitions. [2024-10-24 13:00:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:00:49,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 242 [2024-10-24 13:00:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:49,520 INFO L225 Difference]: With dead ends: 555 [2024-10-24 13:00:49,520 INFO L226 Difference]: Without dead ends: 316 [2024-10-24 13:00:49,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:49,522 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 0 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:49,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1754 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:00:49,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-24 13:00:49,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-10-24 13:00:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2445652173913044) internal successors, (229), 186 states have internal predecessors, (229), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (117), 106 states have call predecessors, (117), 105 states have call successors, (117) [2024-10-24 13:00:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 452 transitions. [2024-10-24 13:00:49,546 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 452 transitions. Word has length 242 [2024-10-24 13:00:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:49,546 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 452 transitions. [2024-10-24 13:00:49,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:00:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 452 transitions. [2024-10-24 13:00:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-24 13:00:49,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:49,550 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:49,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 13:00:49,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:49,751 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:49,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:49,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1381393088, now seen corresponding path program 4 times [2024-10-24 13:00:49,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:49,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425419329] [2024-10-24 13:00:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:49,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:00:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:00:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:00:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:00:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 13:00:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 13:00:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-10-24 13:00:50,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:50,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425419329] [2024-10-24 13:00:50,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425419329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:50,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:50,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 13:00:50,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842621408] [2024-10-24 13:00:50,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:50,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 13:00:50,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:50,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 13:00:50,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:00:50,819 INFO L87 Difference]: Start difference. First operand 316 states and 452 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-24 13:00:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:53,129 INFO L93 Difference]: Finished difference Result 648 states and 955 transitions. [2024-10-24 13:00:53,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:00:53,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 255 [2024-10-24 13:00:53,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:53,133 INFO L225 Difference]: With dead ends: 648 [2024-10-24 13:00:53,133 INFO L226 Difference]: Without dead ends: 410 [2024-10-24 13:00:53,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:00:53,135 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 433 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 2655 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 3222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 2655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:53,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1068 Invalid, 3222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 2655 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 13:00:53,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-24 13:00:53,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 327. [2024-10-24 13:00:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 189 states have (on average 1.2433862433862435) internal successors, (235), 191 states have internal predecessors, (235), 111 states have call successors, (111), 24 states have call predecessors, (111), 26 states have return successors, (122), 111 states have call predecessors, (122), 110 states have call successors, (122) [2024-10-24 13:00:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2024-10-24 13:00:53,160 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 255 [2024-10-24 13:00:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:53,160 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2024-10-24 13:00:53,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-24 13:00:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2024-10-24 13:00:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-24 13:00:53,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:53,162 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:53,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:00:53,163 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:53,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:53,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2071941206, now seen corresponding path program 1 times [2024-10-24 13:00:53,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:53,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907427570] [2024-10-24 13:00:53,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:53,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:00:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:00:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:00:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:00:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 13:00:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 13:00:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-24 13:00:56,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:56,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907427570] [2024-10-24 13:00:56,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907427570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:56,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548708520] [2024-10-24 13:00:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:56,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:56,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:56,146 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:56,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 13:00:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:57,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 3251 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-24 13:00:57,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:57,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:00:57,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:00:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-10-24 13:00:57,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:57,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548708520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:57,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2024-10-24 13:00:57,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140489069] [2024-10-24 13:00:57,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:57,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 13:00:57,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:57,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 13:00:57,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2024-10-24 13:00:57,522 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-24 13:00:59,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:59,412 INFO L93 Difference]: Finished difference Result 645 states and 945 transitions. [2024-10-24 13:00:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 13:00:59,412 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 268 [2024-10-24 13:00:59,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:59,417 INFO L225 Difference]: With dead ends: 645 [2024-10-24 13:00:59,417 INFO L226 Difference]: Without dead ends: 361 [2024-10-24 13:00:59,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-10-24 13:00:59,420 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 44 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 3940 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:59,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 3940 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 13:00:59,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-10-24 13:00:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 352. [2024-10-24 13:00:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 213 states have (on average 1.2582159624413145) internal successors, (268), 214 states have internal predecessors, (268), 111 states have call successors, (111), 24 states have call predecessors, (111), 27 states have return successors, (135), 113 states have call predecessors, (135), 110 states have call successors, (135) [2024-10-24 13:00:59,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 514 transitions. [2024-10-24 13:00:59,478 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 514 transitions. Word has length 268 [2024-10-24 13:00:59,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:59,479 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 514 transitions. [2024-10-24 13:00:59,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 6 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2024-10-24 13:00:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 514 transitions. [2024-10-24 13:00:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-24 13:00:59,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:59,481 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:59,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 13:00:59,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 13:00:59,685 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:59,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:59,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1254348242, now seen corresponding path program 1 times [2024-10-24 13:00:59,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:59,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636651186] [2024-10-24 13:00:59,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:01:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:01:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:01:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:01:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:01:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:01:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:01:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:01:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:01:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:01:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:01:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:01:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:01:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:01:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:01:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:01:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:01:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 13:01:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 13:01:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-10-24 13:01:00,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:00,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636651186] [2024-10-24 13:01:00,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636651186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:00,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674262884] [2024-10-24 13:01:00,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:00,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:00,528 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:01:00,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 13:01:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 3241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 13:01:01,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-10-24 13:01:01,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:01,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674262884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:01,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:01,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2024-10-24 13:01:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055143102] [2024-10-24 13:01:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:01,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:01:01,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:01,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:01:01,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:01:01,339 INFO L87 Difference]: Start difference. First operand 352 states and 514 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-24 13:01:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:01,539 INFO L93 Difference]: Finished difference Result 661 states and 998 transitions. [2024-10-24 13:01:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:01:01,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 268 [2024-10-24 13:01:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:01,544 INFO L225 Difference]: With dead ends: 661 [2024-10-24 13:01:01,544 INFO L226 Difference]: Without dead ends: 352 [2024-10-24 13:01:01,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:01:01,574 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 0 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:01,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1154 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:01:01,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-24 13:01:01,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-10-24 13:01:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 213 states have (on average 1.2535211267605635) internal successors, (267), 214 states have internal predecessors, (267), 111 states have call successors, (111), 24 states have call predecessors, (111), 27 states have return successors, (135), 113 states have call predecessors, (135), 110 states have call successors, (135) [2024-10-24 13:01:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 513 transitions. [2024-10-24 13:01:01,603 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 513 transitions. Word has length 268 [2024-10-24 13:01:01,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:01,604 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 513 transitions. [2024-10-24 13:01:01,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-24 13:01:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 513 transitions. [2024-10-24 13:01:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-24 13:01:01,605 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:01,606 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:01:01,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 13:01:01,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 13:01:01,807 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:01:01,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:01,807 INFO L85 PathProgramCache]: Analyzing trace with hash 358265206, now seen corresponding path program 1 times [2024-10-24 13:01:01,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:01,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060521944] [2024-10-24 13:01:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:01,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:01:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:01:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:01:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:01:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:01:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:01:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:01:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:01:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:01:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:01:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 13:01:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:01:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:01:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 13:01:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 13:01:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:01:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 13:01:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:01:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-24 13:01:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-10-24 13:01:04,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:04,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060521944] [2024-10-24 13:01:04,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060521944] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:04,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920538070] [2024-10-24 13:01:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:04,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:04,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:04,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:01:04,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 13:01:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 3261 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-10-24 13:01:05,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:05,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:01:05,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:01:09,878 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset| Int) (|v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_29| Int)) (not (= (select (select |c_#memory_$Pointer$#3.offset| |v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_29|) (+ 80 |aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset|)) 0))) (exists ((|aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset| Int) (|v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_29| Int)) (not (= (select (select |c_#memory_$Pointer$#3.base| |v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_29|) (+ 80 |aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset|)) 0)))) is different from true [2024-10-24 13:01:17,980 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset| Int) (|v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_30| Int)) (not (= (select (select |c_#memory_$Pointer$#3.base| |v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_30|) (+ 80 |aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset|)) 0))) (exists ((|aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset| Int) (|v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_30| Int)) (not (= (select (select |c_#memory_$Pointer$#3.offset| |v_ULTIMATE.start_aws_priority_queue_s_sift_down_harness_~#queue~0#1.base_BEFORE_CALL_30|) (+ 80 |aws_priority_queue_is_valid_aws_priority_queue_backpointers_valid_~queue#1.offset|)) 0)))) is different from true