./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_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 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:18:26,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:18:26,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:18:26,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:18:26,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:18:26,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:18:26,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:18:26,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:18:26,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:18:26,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:18:26,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:18:26,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:18:26,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:18:26,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:18:26,854 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:18:26,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:18:26,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:18:26,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:18:26,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:18:26,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:18:26,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:18:26,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:18:26,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:18:26,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:18:26,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:18:26,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:18:26,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:18:26,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:18:26,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:18:26,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:26,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:18:26,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:18:26,862 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 [2024-11-09 03:18:27,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:18:27,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:18:27,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:18:27,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:18:27,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:18:27,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2024-11-09 03:18:28,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:18:29,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:18:29,168 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2024-11-09 03:18:29,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6278888ad/f862b05c94c54fc080421a384f4f166b/FLAG5c360e079 [2024-11-09 03:18:29,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6278888ad/f862b05c94c54fc080421a384f4f166b [2024-11-09 03:18:29,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:18:29,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:18:29,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:29,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:18:29,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:18:29,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:29" (1/1) ... [2024-11-09 03:18:29,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb4e8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:29, skipping insertion in model container [2024-11-09 03:18:29,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:29" (1/1) ... [2024-11-09 03:18:29,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:18:29,598 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2024-11-09 03:18:29,606 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2024-11-09 03:18:30,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,761 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,818 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,818 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:30,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:18:30,892 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2024-11-09 03:18:30,892 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2024-11-09 03:18:30,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-09 03:18:31,045 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,061 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,062 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:31,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:31,278 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:18:31,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31 WrapperNode [2024-11-09 03:18:31,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:31,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:31,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:18:31,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:18:31,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,449 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 955 [2024-11-09 03:18:31,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:31,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:18:31,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:18:31,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:18:31,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,611 INFO L175 MemorySlicer]: Split 347 memory accesses to 6 slices as follows [2, 238, 17, 18, 69, 3]. 69 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 4, 5, 0, 1]. The 259 writes are split as follows [0, 232, 3, 6, 17, 1]. [2024-11-09 03:18:31,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:18:31,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:18:31,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:18:31,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:18:31,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (1/1) ... [2024-11-09 03:18:31,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:31,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:18:31,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:18:31,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:18:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2024-11-09 03:18:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2024-11-09 03:18:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-09 03:18:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-09 03:18:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:18:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:18:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:18:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 03:18:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 03:18:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:18:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:18:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:18:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:18:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-09 03:18:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-09 03:18:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:18:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:18:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:18:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:18:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-09 03:18:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:18:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:18:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:18:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:18:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:18:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:18:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:18:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:18:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:18:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:18:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:18:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:18:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 03:18:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:18:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:18:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:18:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:18:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:18:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:18:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:18:32,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:18:32,048 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:18:37,798 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-09 03:18:37,800 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:18:37,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:18:37,825 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 03:18:37,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:37 BoogieIcfgContainer [2024-11-09 03:18:37,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:18:37,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:18:37,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:18:37,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:18:37,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:18:29" (1/3) ... [2024-11-09 03:18:37,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128c6cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:37, skipping insertion in model container [2024-11-09 03:18:37,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:31" (2/3) ... [2024-11-09 03:18:37,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128c6cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:37, skipping insertion in model container [2024-11-09 03:18:37,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:37" (3/3) ... [2024-11-09 03:18:37,832 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2024-11-09 03:18:37,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:18:37,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 03:18:37,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:18:37,903 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;@44bca29d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:18:37,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 03:18:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 221 states have (on average 1.244343891402715) internal successors, (275), 224 states have internal predecessors, (275), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-09 03:18:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 03:18:37,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:18:37,920 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 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] [2024-11-09 03:18:37,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:18:37,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:18:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1267818098, now seen corresponding path program 1 times [2024-11-09 03:18:37,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:18:37,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964443422] [2024-11-09 03:18:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:37,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:18:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:18:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:18:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:18:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:18:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:18:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:18:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:18:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:18:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:18:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:18:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:18:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:18:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:18:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:18:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:18:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:18:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:18:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:18:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 03:18:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-09 03:18:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:18:44,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964443422] [2024-11-09 03:18:44,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964443422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:18:44,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:18:44,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:18:44,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665237817] [2024-11-09 03:18:44,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:18:44,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:18:44,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:18:44,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:18:44,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:18:44,331 INFO L87 Difference]: Start difference. First operand has 369 states, 221 states have (on average 1.244343891402715) internal successors, (275), 224 states have internal predecessors, (275), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 03:18:48,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:52,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:19:07,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:07,058 INFO L93 Difference]: Finished difference Result 853 states and 1398 transitions. [2024-11-09 03:19:07,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:19:07,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-09 03:19:07,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:07,083 INFO L225 Difference]: With dead ends: 853 [2024-11-09 03:19:07,084 INFO L226 Difference]: Without dead ends: 502 [2024-11-09 03:19:07,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:19:07,106 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 305 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 472 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:07,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 406 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 744 Invalid, 2 Unknown, 0 Unchecked, 22.0s Time] [2024-11-09 03:19:07,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-09 03:19:07,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 362. [2024-11-09 03:19:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 218 states have internal predecessors, (261), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-09 03:19:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 499 transitions. [2024-11-09 03:19:07,224 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 499 transitions. Word has length 138 [2024-11-09 03:19:07,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:07,225 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 499 transitions. [2024-11-09 03:19:07,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 03:19:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 499 transitions. [2024-11-09 03:19:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 03:19:07,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:07,231 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 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] [2024-11-09 03:19:07,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:19:07,235 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:07,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:07,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1331332972, now seen corresponding path program 1 times [2024-11-09 03:19:07,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:07,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927167479] [2024-11-09 03:19:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:07,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:19:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:19:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:19:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:19:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 03:19:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-09 03:19:13,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:13,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927167479] [2024-11-09 03:19:13,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927167479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:13,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477688808] [2024-11-09 03:19:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:13,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:13,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:13,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 03:19:13,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:19:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:18,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 03:19:18,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-09 03:19:19,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:19,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477688808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:19,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:19,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-09 03:19:19,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912304424] [2024-11-09 03:19:19,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:19,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:19:19,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:19,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:19:19,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 03:19:19,153 INFO L87 Difference]: Start difference. First operand 362 states and 499 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 03:19:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:19,266 INFO L93 Difference]: Finished difference Result 448 states and 609 transitions. [2024-11-09 03:19:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:19:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-09 03:19:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:19,270 INFO L225 Difference]: With dead ends: 448 [2024-11-09 03:19:19,270 INFO L226 Difference]: Without dead ends: 363 [2024-11-09 03:19:19,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 03:19:19,272 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 0 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:19,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 991 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 03:19:19,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-09 03:19:19,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-09 03:19:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 217 states have (on average 1.207373271889401) internal successors, (262), 219 states have internal predecessors, (262), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-09 03:19:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 500 transitions. [2024-11-09 03:19:19,299 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 500 transitions. Word has length 138 [2024-11-09 03:19:19,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:19,300 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 500 transitions. [2024-11-09 03:19:19,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 03:19:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 500 transitions. [2024-11-09 03:19:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 03:19:19,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:19,303 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 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] [2024-11-09 03:19:19,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 03:19:19,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:19,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:19,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:19,510 INFO L85 PathProgramCache]: Analyzing trace with hash 106819903, now seen corresponding path program 1 times [2024-11-09 03:19:19,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:19,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744390526] [2024-11-09 03:19:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:19,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:19:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:19:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:19:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:19:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 03:19:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 03:19:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:19:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 03:19:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-09 03:19:25,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:25,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744390526] [2024-11-09 03:19:25,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744390526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:25,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136048625] [2024-11-09 03:19:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:25,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:25,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:25,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 03:19:25,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 03:19:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:31,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 4532 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 03:19:31,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 03:19:33,245 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:33,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136048625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:33,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:33,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-09 03:19:33,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697709489] [2024-11-09 03:19:33,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:33,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:19:33,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:33,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:19:33,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 03:19:33,248 INFO L87 Difference]: Start difference. First operand 363 states and 500 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 03:19:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:36,931 INFO L93 Difference]: Finished difference Result 680 states and 946 transitions. [2024-11-09 03:19:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:19:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 157 [2024-11-09 03:19:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:36,938 INFO L225 Difference]: With dead ends: 680 [2024-11-09 03:19:36,938 INFO L226 Difference]: Without dead ends: 365 [2024-11-09 03:19:36,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 03:19:36,942 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 500 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:36,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1748 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 03:19:36,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-09 03:19:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-09 03:19:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 218 states have (on average 1.2064220183486238) internal successors, (263), 221 states have internal predecessors, (263), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (126), 118 states have call predecessors, (126), 118 states have call successors, (126) [2024-11-09 03:19:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 509 transitions. [2024-11-09 03:19:36,978 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 509 transitions. Word has length 157 [2024-11-09 03:19:36,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:36,979 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 509 transitions. [2024-11-09 03:19:36,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-09 03:19:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 509 transitions. [2024-11-09 03:19:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 03:19:36,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:36,983 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 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] [2024-11-09 03:19:37,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 03:19:37,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 03:19:37,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:37,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:37,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1726819110, now seen corresponding path program 1 times [2024-11-09 03:19:37,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:37,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914312243] [2024-11-09 03:19:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:42,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 03:19:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 03:19:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 03:19:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:19:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 03:19:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 03:19:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:19:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 03:19:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 03:19:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 03:19:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-09 03:19:43,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:43,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914312243] [2024-11-09 03:19:43,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914312243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:43,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195829915] [2024-11-09 03:19:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:43,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:43,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:43,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 03:19:43,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 03:19:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:48,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 03:19:48,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 03:19:51,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:51,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195829915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:51,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:51,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-09 03:19:51,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372093887] [2024-11-09 03:19:51,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:51,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 03:19:51,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:51,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 03:19:51,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-09 03:19:51,365 INFO L87 Difference]: Start difference. First operand 365 states and 509 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 03:19:58,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:58,417 INFO L93 Difference]: Finished difference Result 703 states and 1001 transitions. [2024-11-09 03:19:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 03:19:58,418 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 165 [2024-11-09 03:19:58,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:58,421 INFO L225 Difference]: With dead ends: 703 [2024-11-09 03:19:58,421 INFO L226 Difference]: Without dead ends: 386 [2024-11-09 03:19:58,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-09 03:19:58,423 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 548 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 2526 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:58,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 2526 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 03:19:58,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-09 03:19:58,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 384. [2024-11-09 03:19:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 234 states have (on average 1.2179487179487178) internal successors, (285), 237 states have internal predecessors, (285), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2024-11-09 03:19:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 546 transitions. [2024-11-09 03:19:58,446 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 546 transitions. Word has length 165 [2024-11-09 03:19:58,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:58,446 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 546 transitions. [2024-11-09 03:19:58,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 03:19:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 546 transitions. [2024-11-09 03:19:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 03:19:58,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:58,450 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 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] [2024-11-09 03:19:58,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 03:19:58,654 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 [2024-11-09 03:19:58,655 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:58,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash -963400994, now seen corresponding path program 1 times [2024-11-09 03:19:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126357753] [2024-11-09 03:19:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms