./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:22:15,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:22:15,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:22:15,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:22:15,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:22:15,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:22:15,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:22:15,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:22:15,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:22:15,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:22:15,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:22:15,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:22:15,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:22:15,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:22:15,682 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:22:15,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:22:15,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:22:15,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:22:15,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:22:15,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:22:15,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:22:15,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:22:15,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:22:15,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:22:15,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:22:15,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:22:15,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:22:15,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:22:15,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:22:15,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:22:15,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:22:15,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:22:15,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:22:15,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:22:15,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:22:15,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:22:15,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:22:15,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:22:15,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:22:15,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2024-11-22 14:22:15,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:22:15,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:22:15,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:22:15,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:22:15,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:22:15,941 INFO L431 ainManager$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.i [2024-11-22 14:22:17,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:22:17,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:22:17,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-22 14:22:17,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb0aa8f/e98bf48ae0ae405c8a3d929cc78765f9/FLAG0004d5a5c [2024-11-22 14:22:17,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb0aa8f/e98bf48ae0ae405c8a3d929cc78765f9 [2024-11-22 14:22:17,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:22:17,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:22:17,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:22:17,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:22:17,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:22:17,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:17" (1/1) ... [2024-11-22 14:22:17,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6bb55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:17, skipping insertion in model container [2024-11-22 14:22:17,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:17" (1/1) ... [2024-11-22 14:22:17,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:22:18,101 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.i[4499,4512] [2024-11-22 14:22:18,107 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.i[4559,4572] [2024-11-22 14:22:18,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,746 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:18,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,189 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,189 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,189 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:22:19,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:22:19,319 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.i[4499,4512] [2024-11-22 14:22:19,320 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.i[4559,4572] [2024-11-22 14:22:19,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-22 14:22:19,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,551 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:19,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:22:19,728 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:22:19,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19 WrapperNode [2024-11-22 14:22:19,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:22:19,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:22:19,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:22:19,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:22:19,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:19,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:19,892 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-22 14:22:19,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:22:19,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:22:19,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:22:19,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:22:19,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:19,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:19,920 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,003 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [2, 238, 81, 3, 5, 14, 7, 5]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 5, 1, 0, 5, 0, 0]. The 258 writes are split as follows [0, 232, 17, 1, 2, 2, 2, 2]. [2024-11-22 14:22:20,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:22:20,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:22:20,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:22:20,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:22:20,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (1/1) ... [2024-11-22 14:22:20,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:22:20,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:20,171 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) [2024-11-22 14:22:20,185 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 [2024-11-22 14:22:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-22 14:22:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-22 14:22:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:22:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-22 14:22:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-22 14:22:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-22 14:22:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-22 14:22:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:22:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:22:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:22:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:22:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:22:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:22:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:22:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:22:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:22:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 14:22:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:22:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:22:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:22:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:22:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:22:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:22:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:22:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 14:22:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:22:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:22:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:22:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:22:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:22:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:22:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:22:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:22:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-22 14:22:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:22:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-22 14:22:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-22 14:22:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:22:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:22:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:22:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:22:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-22 14:22:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 14:22:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:22:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:22:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-22 14:22:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-22 14:22:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:22:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:22:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:22:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:22:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:22:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:22:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:22:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 14:22:20,613 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:22:20,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:22:26,588 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-22 14:22:26,588 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:22:26,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:22:26,604 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:22:26,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:26 BoogieIcfgContainer [2024-11-22 14:22:26,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:22:26,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:22:26,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:22:26,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:22:26,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:22:17" (1/3) ... [2024-11-22 14:22:26,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f80b9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:26, skipping insertion in model container [2024-11-22 14:22:26,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:19" (2/3) ... [2024-11-22 14:22:26,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f80b9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:26, skipping insertion in model container [2024-11-22 14:22:26,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:26" (3/3) ... [2024-11-22 14:22:26,611 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2024-11-22 14:22:26,624 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:22:26,624 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:22:26,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:22:26,689 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;@4a8c0ce6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:22:26,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:22:26,694 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) [2024-11-22 14:22:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-22 14:22:26,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:26,708 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] [2024-11-22 14:22:26,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:26,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-22 14:22:26,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:26,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013940130] [2024-11-22 14:22:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:26,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-22 14:22:31,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:31,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013940130] [2024-11-22 14:22:31,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013940130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:31,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865271361] [2024-11-22 14:22:31,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:31,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:31,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:31,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:31,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 14:22:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:37,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 14:22:37,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-22 14:22:37,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:22:37,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865271361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:22:37,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:22:37,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 14:22:37,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682668080] [2024-11-22 14:22:37,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:22:37,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 14:22:37,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:22:37,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 14:22:37,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:22:37,440 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 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-22 14:22:37,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:22:37,492 INFO L93 Difference]: Finished difference Result 413 states and 585 transitions. [2024-11-22 14:22:37,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 14:22:37,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 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 [2024-11-22 14:22:37,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:22:37,506 INFO L225 Difference]: With dead ends: 413 [2024-11-22 14:22:37,507 INFO L226 Difference]: Without dead ends: 213 [2024-11-22 14:22:37,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:22:37,516 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:22:37,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:22:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-22 14:22:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-22 14:22:37,581 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) [2024-11-22 14:22:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-22 14:22:37,589 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-22 14:22:37,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:22:37,596 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-22 14:22:37,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-22 14:22:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-22 14:22:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-22 14:22:37,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:37,601 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] [2024-11-22 14:22:37,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 14:22:37,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 14:22:37,803 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:37,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:37,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-22 14:22:37,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:37,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152283365] [2024-11-22 14:22:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:37,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-22 14:22:45,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:45,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152283365] [2024-11-22 14:22:45,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152283365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:45,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919767105] [2024-11-22 14:22:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:45,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:45,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:45,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:45,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 14:22:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:51,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-22 14:22:51,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:51,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-22 14:22:51,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 1 [2024-11-22 14:22:51,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-22 14:22:51,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-22 14:22:51,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-22 14:22:51,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-22 14:22:51,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2024-11-22 14:22:58,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 14:22:58,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 14:22:58,574 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2024-11-22 14:22:58,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2024-11-22 14:22:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-22 14:22:58,934 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2024-11-22 14:22:58,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2024-11-22 14:23:05,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 14:23:05,599 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 14:23:05,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2024-11-22 14:23:05,667 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-22 14:23:05,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2024-11-22 14:23:10,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15