./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 8be7027f 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_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.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:58:34,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:58:35,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:58:35,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:58:35,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:58:35,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:58:35,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:58:35,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:58:35,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:58:35,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:58:35,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:58:35,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:58:35,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:58:35,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:58:35,081 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:58:35,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:58:35,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:58:35,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:58:35,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:58:35,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:58:35,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:58:35,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:58:35,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:58:35,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:58:35,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:58:35,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:58:35,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:58:35,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:58:35,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:58:35,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:58:35,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:58:35,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:58:35,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:58:35,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:58:35,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:58:35,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:58:35,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:58:35,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:58:35,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:58:35,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-11-12 08:58:35,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:58:35,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:58:35,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:58:35,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:58:35,395 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:58:35,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-12 08:58:36,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:58:37,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:58:37,303 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-12 08:58:37,352 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4edcd78/818a8bedb0774c94b15358da9b7ad476/FLAGe3065b6f0 [2024-11-12 08:58:37,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4edcd78/818a8bedb0774c94b15358da9b7ad476 [2024-11-12 08:58:37,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:58:37,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:58:37,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:58:37,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:58:37,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:58:37,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:58:37" (1/1) ... [2024-11-12 08:58:37,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7b9357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:37, skipping insertion in model container [2024-11-12 08:58:37,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:58:37" (1/1) ... [2024-11-12 08:58:37,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:58:37,816 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] [2024-11-12 08:58:37,827 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] [2024-11-12 08:58:38,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:38,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:58:39,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:58:39,641 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] [2024-11-12 08:58:39,645 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] [2024-11-12 08:58:39,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,749 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-11-12 08:58:39,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:39,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:58:40,108 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:58:40,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40 WrapperNode [2024-11-12 08:58:40,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:58:40,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:58:40,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:58:40,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:58:40,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,304 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-12 08:58:40,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:58:40,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:58:40,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:58:40,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:58:40,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,430 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 81, 5, 7, 3, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 5, 0, 0, 1, 5]. The 258 writes are split as follows [232, 0, 2, 17, 2, 2, 1, 2]. [2024-11-12 08:58:40,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:58:40,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:58:40,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:58:40,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:58:40,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (1/1) ... [2024-11-12 08:58:40,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:58:40,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:40,593 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) [2024-11-12 08:58:40,598 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 [2024-11-12 08:58:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:58:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:58:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:58:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:58:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:58:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:58:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:58:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:58:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:58:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:58:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:58:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 08:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:58:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:58:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:58:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:58:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 08:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:58:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:58:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:58:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:58:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:58:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:58:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:58:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 08:58:41,099 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:58:41,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:58:47,578 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-12 08:58:47,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:58:47,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:58:47,601 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 08:58:47,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:58:47 BoogieIcfgContainer [2024-11-12 08:58:47,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:58:47,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:58:47,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:58:47,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:58:47,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:58:37" (1/3) ... [2024-11-12 08:58:47,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be54917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:58:47, skipping insertion in model container [2024-11-12 08:58:47,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:40" (2/3) ... [2024-11-12 08:58:47,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be54917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:58:47, skipping insertion in model container [2024-11-12 08:58:47,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:58:47" (3/3) ... [2024-11-12 08:58:47,611 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-11-12 08:58:47,627 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:58:47,627 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:58:47,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:58:47,720 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;@2c0bcb17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:58:47,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:58:47,726 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) [2024-11-12 08:58:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 08:58:47,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:58:47,748 INFO L218 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] [2024-11-12 08:58:47,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:58:47,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:58:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-12 08:58:47,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:58:47,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659618595] [2024-11-12 08:58:47,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:47,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:58:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:58:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:58:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:58:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:58:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:58:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:58:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:58:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:58:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:58:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:58:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:54,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:58:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:58:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:58:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:58:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:58:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 08:58:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 08:58:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:58:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:58:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-12 08:58:55,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:58:55,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659618595] [2024-11-12 08:58:55,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659618595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:58:55,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:58:55,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:58:55,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653741501] [2024-11-12 08:58:55,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:58:55,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:58:55,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:58:55,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:58:55,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:58:55,300 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) [2024-11-12 08:58:59,397 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 [] [2024-11-12 08:59:03,803 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 [] [2024-11-12 08:59:10,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:59:10,348 INFO L93 Difference]: Finished difference Result 439 states and 626 transitions. [2024-11-12 08:59:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:59:10,351 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 [2024-11-12 08:59:10,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:59:10,362 INFO L225 Difference]: With dead ends: 439 [2024-11-12 08:59:10,363 INFO L226 Difference]: Without dead ends: 239 [2024-11-12 08:59:10,367 INFO L434 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 [2024-11-12 08:59:10,371 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 167 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s 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, 14.4s IncrementalHoareTripleChecker+Time [2024-11-12 08:59:10,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 293 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 319 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2024-11-12 08:59:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-12 08:59:10,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2024-11-12 08:59:10,433 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) [2024-11-12 08:59:10,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-12 08:59:10,438 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-12 08:59:10,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:59:10,438 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-12 08:59:10,439 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) [2024-11-12 08:59:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-12 08:59:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 08:59:10,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:59:10,443 INFO L218 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] [2024-11-12 08:59:10,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:59:10,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:59:10,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:59:10,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-12 08:59:10,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:59:10,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479690715] [2024-11-12 08:59:10,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:59:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:59:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:59:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:59:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:59:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:59:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:59:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:59:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:59:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:59:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:59:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:59:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:59:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:59:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:59:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:59:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:19,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:59:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:59:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:59:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:59:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:59:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:59:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 08:59:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 08:59:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:59:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:59:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-12 08:59:20,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:59:20,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479690715] [2024-11-12 08:59:20,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479690715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:59:20,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:59:20,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 08:59:20,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371515457] [2024-11-12 08:59:20,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:59:20,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 08:59:20,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:59:20,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 08:59:20,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 08:59:20,738 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) [2024-11-12 08:59:24,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:59:29,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:59:47,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:59:47,597 INFO L93 Difference]: Finished difference Result 249 states and 333 transitions. [2024-11-12 08:59:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 08:59:47,598 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 [2024-11-12 08:59:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:59:47,602 INFO L225 Difference]: With dead ends: 249 [2024-11-12 08:59:47,602 INFO L226 Difference]: Without dead ends: 247 [2024-11-12 08:59:47,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-12 08:59:47,604 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 178 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s 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, 24.3s IncrementalHoareTripleChecker+Time [2024-11-12 08:59:47,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 839 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 985 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2024-11-12 08:59:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-12 08:59:47,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 220. [2024-11-12 08:59:47,635 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) [2024-11-12 08:59:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 290 transitions. [2024-11-12 08:59:47,638 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 290 transitions. Word has length 142 [2024-11-12 08:59:47,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:59:47,639 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 290 transitions. [2024-11-12 08:59:47,640 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) [2024-11-12 08:59:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 290 transitions. [2024-11-12 08:59:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-12 08:59:47,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:59:47,643 INFO L218 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] [2024-11-12 08:59:47,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 08:59:47,644 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:59:47,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:59:47,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1906002031, now seen corresponding path program 1 times [2024-11-12 08:59:47,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:59:47,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177055143] [2024-11-12 08:59:47,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:59:47,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:59:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:59:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:59:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:59:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:59:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:59:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:59:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:59:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:59:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:53,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:59:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:59:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:59:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:59:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:59:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:59:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:59:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:59:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:59:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:59:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:59:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:59:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 08:59:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 08:59:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:59:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:54,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:59:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:59:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:59:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-12 08:59:55,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:59:55,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177055143] [2024-11-12 08:59:55,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177055143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:59:55,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:59:55,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 08:59:55,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071821886] [2024-11-12 08:59:55,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:59:55,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 08:59:55,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:59:55,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 08:59:55,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 08:59:55,572 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) [2024-11-12 08:59:59,643 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 []