./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.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 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:14:43,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:14:43,540 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:14:43,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:14:43,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:14:43,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:14:43,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:14:43,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:14:43,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:14:43,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:14:43,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:14:43,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:14:43,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:14:43,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:14:43,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:14:43,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:14:43,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:14:43,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:14:43,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:14:43,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:14:43,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:14:43,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:14:43,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:14:43,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:14:43,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:14:43,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:14:43,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:14:43,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:14:43,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:14:43,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:43,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:14:43,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:14:43,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:14:43,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:14:43,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:14:43,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:14:43,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:14:43,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:14:43,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:14:43,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-11-20 10:14:43,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:14:43,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:14:43,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:14:43,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:14:43,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:14:43,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-20 10:14:45,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:14:46,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:14:46,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-20 10:14:46,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5497c4eb/5c8b3d78b3264fe8883dbbe815fa2aaa/FLAGb81e8f884 [2024-11-20 10:14:46,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5497c4eb/5c8b3d78b3264fe8883dbbe815fa2aaa [2024-11-20 10:14:46,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:14:46,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:14:46,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:14:46,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:14:46,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:14:46,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:14:46" (1/1) ... [2024-11-20 10:14:46,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578651e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:46, skipping insertion in model container [2024-11-20 10:14:46,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:14:46" (1/1) ... [2024-11-20 10:14:46,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:14:46,624 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_swap_harness_negated.i[4499,4512] [2024-11-20 10:14:46,635 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_swap_harness_negated.i[4559,4572] [2024-11-20 10:14:47,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,348 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:47,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:14:48,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:14:48,014 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_swap_harness_negated.i[4499,4512] [2024-11-20 10:14:48,015 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_swap_harness_negated.i[4559,4572] [2024-11-20 10:14:48,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,067 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,067 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-11-20 10:14:48,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,254 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,254 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:48,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:14:48,471 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:14:48,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48 WrapperNode [2024-11-20 10:14:48,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:14:48,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:14:48,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:14:48,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:14:48,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,659 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-20 10:14:48,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:14:48,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:14:48,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:14:48,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:14:48,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,752 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 7, 3, 5, 5, 14, 81]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 1, 0, 0, 5, 5]. The 258 writes are split as follows [232, 0, 2, 1, 2, 2, 2, 17]. [2024-11-20 10:14:48,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:14:48,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:14:48,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:14:48,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:14:48,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (1/1) ... [2024-11-20 10:14:48,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:48,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:14:48,900 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) [2024-11-20 10:14:48,904 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 [2024-11-20 10:14:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:14:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:14:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:14:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 10:14:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 10:14:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:14:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:14:48,952 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:14:48,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:14:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:14:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:14:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:14:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:14:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:14:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:14:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 10:14:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:14:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:14:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:14:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:14:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:14:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:14:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:14:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:14:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:14:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:14:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 10:14:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:14:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:14:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:14:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:14:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:14:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:14:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:14:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 10:14:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:14:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:14:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:14:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:14:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:14:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:14:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:14:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 10:14:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:14:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:14:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:14:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:14:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:14:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:14:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:14:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:14:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:14:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:14:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:14:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 10:14:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:14:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:14:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-20 10:14:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-20 10:14:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:14:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:14:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:14:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:14:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:14:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:14:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:14:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 10:14:49,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:14:49,426 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:14:55,770 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-20 10:14:55,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:14:55,793 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:14:55,793 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 10:14:55,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:14:55 BoogieIcfgContainer [2024-11-20 10:14:55,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:14:55,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:14:55,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:14:55,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:14:55,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:14:46" (1/3) ... [2024-11-20 10:14:55,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fb04b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:14:55, skipping insertion in model container [2024-11-20 10:14:55,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:48" (2/3) ... [2024-11-20 10:14:55,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fb04b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:14:55, skipping insertion in model container [2024-11-20 10:14:55,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:14:55" (3/3) ... [2024-11-20 10:14:55,806 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-11-20 10:14:55,827 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:14:55,827 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:14:55,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:14:55,928 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;@7b423f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:14:55,929 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:14:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-20 10:14:55,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-20 10:14:55,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:14:55,951 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:14:55,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:14:55,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:14:55,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-20 10:14:55,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:14:55,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694253241] [2024-11-20 10:14:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:14:55,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 10:15:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:15:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 10:15:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 10:15:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 10:15:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-20 10:15:03,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:15:03,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694253241] [2024-11-20 10:15:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694253241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:15:03,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:15:03,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:15:03,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054633061] [2024-11-20 10:15:03,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:15:03,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:15:03,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:15:03,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:15:03,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:15:03,234 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 10:15:07,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:11,732 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 [] [2024-11-20 10:15:17,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:15:17,779 INFO L93 Difference]: Finished difference Result 439 states and 626 transitions. [2024-11-20 10:15:17,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:15:17,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-20 10:15:17,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:15:17,793 INFO L225 Difference]: With dead ends: 439 [2024-11-20 10:15:17,794 INFO L226 Difference]: Without dead ends: 239 [2024-11-20 10:15:17,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:15:17,804 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 167 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-20 10:15:17,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 293 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 319 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2024-11-20 10:15:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-20 10:15:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2024-11-20 10:15:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 137 states have internal predecessors, (164), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 10:15:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-20 10:15:17,897 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-20 10:15:17,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:15:17,900 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-20 10:15:17,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 10:15:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-20 10:15:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-20 10:15:17,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:17,907 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:15:17,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:15:17,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:15:17,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:17,909 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-20 10:15:17,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:17,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080843899] [2024-11-20 10:15:17,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:17,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:26,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 10:15:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:15:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 10:15:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 10:15:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 10:15:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-20 10:15:28,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:15:28,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080843899] [2024-11-20 10:15:28,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080843899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:15:28,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:15:28,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 10:15:28,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381481657] [2024-11-20 10:15:28,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:15:28,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 10:15:28,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:15:28,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 10:15:28,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 10:15:28,093 INFO L87 Difference]: Start difference. First operand 213 states and 281 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 10:15:32,160 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 [] [2024-11-20 10:15:36,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:53,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:15:53,370 INFO L93 Difference]: Finished difference Result 249 states and 333 transitions. [2024-11-20 10:15:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 10:15:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-20 10:15:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:15:53,376 INFO L225 Difference]: With dead ends: 249 [2024-11-20 10:15:53,378 INFO L226 Difference]: Without dead ends: 247 [2024-11-20 10:15:53,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-20 10:15:53,380 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 178 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-11-20 10:15:53,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 839 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 985 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2024-11-20 10:15:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-20 10:15:53,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 220. [2024-11-20 10:15:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 140 states have (on average 1.2) internal successors, (168), 142 states have internal predecessors, (168), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (62), 59 states have call predecessors, (62), 59 states have call successors, (62) [2024-11-20 10:15:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 290 transitions. [2024-11-20 10:15:53,423 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 290 transitions. Word has length 142 [2024-11-20 10:15:53,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:15:53,424 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 290 transitions. [2024-11-20 10:15:53,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 10:15:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 290 transitions. [2024-11-20 10:15:53,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 10:15:53,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:53,428 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:15:53,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:15:53,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:15:53,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1906002031, now seen corresponding path program 1 times [2024-11-20 10:15:53,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:53,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59608640] [2024-11-20 10:15:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:58,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 10:15:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:15:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 10:15:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 10:15:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 10:15:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:00,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-20 10:16:00,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:16:00,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59608640] [2024-11-20 10:16:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59608640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:16:00,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:16:00,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 10:16:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178160197] [2024-11-20 10:16:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:16:00,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 10:16:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:16:00,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 10:16:00,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 10:16:00,451 INFO L87 Difference]: Start difference. First operand 220 states and 290 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-20 10:16:04,523 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 [] [2024-11-20 10:16:08,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []