./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.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_pop_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 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:55:41,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:55:41,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:55:41,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:55:41,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:55:41,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:55:41,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:55:41,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:55:41,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:55:41,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:55:41,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:55:41,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:55:41,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:55:41,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:55:41,932 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:55:41,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:55:41,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:55:41,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:55:41,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:55:41,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:55:41,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:55:41,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:55:41,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:55:41,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:55:41,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:55:41,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:55:41,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:55:41,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:55:41,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:55:41,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:55:41,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:55:41,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:55:41,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:55:41,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:55:41,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:55:41,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:55:41,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:55:41,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:55:41,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:55:41,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd [2024-11-12 08:55:42,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:55:42,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:55:42,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:55:42,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:55:42,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:55:42,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-12 08:55:43,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:55:44,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:55:44,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-12 08:55:44,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def506b05/a4d424c41ed14a73ba530eb825f5a6db/FLAG42691fc42 [2024-11-12 08:55:44,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def506b05/a4d424c41ed14a73ba530eb825f5a6db [2024-11-12 08:55:44,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:55:44,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:55:44,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:55:44,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:55:44,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:55:44,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:44" (1/1) ... [2024-11-12 08:55:44,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe9d4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:44, skipping insertion in model container [2024-11-12 08:55:44,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:44" (1/1) ... [2024-11-12 08:55:44,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:55:44,814 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_pop_harness.i[4496,4509] [2024-11-12 08:55:44,823 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_pop_harness.i[4556,4569] [2024-11-12 08:55:45,818 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,819 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,819 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,844 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,490 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,583 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,583 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,584 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,585 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,608 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:55:46,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:55:46,691 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_pop_harness.i[4496,4509] [2024-11-12 08:55:46,692 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_pop_harness.i[4556,4569] [2024-11-12 08:55:46,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-12 08:55:46,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,884 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:55:47,232 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:55:47,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47 WrapperNode [2024-11-12 08:55:47,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:55:47,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:55:47,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:55:47,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:55:47,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,421 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1062 [2024-11-12 08:55:47,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:55:47,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:55:47,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:55:47,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:55:47,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,574 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 17, 13, 3, 261, 96]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 4, 11, 1, 12, 0]. The 262 writes are split as follows [0, 3, 0, 1, 240, 18]. [2024-11-12 08:55:47,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:55:47,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:55:47,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:55:47,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:55:47,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (1/1) ... [2024-11-12 08:55:47,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:55:47,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:55:47,818 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 08:55:47,821 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 08:55:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-12 08:55:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-12 08:55:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:55:47,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:55:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:55:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:55:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:55:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:55:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:55:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:55:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:55:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-12 08:55:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-12 08:55:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:55:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:55:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:55:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-12 08:55:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:55:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:55:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:55:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-12 08:55:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-12 08:55:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:55:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:55:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:55:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:55:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:55:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:55:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:55:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:55:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:55:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:55:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:55:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:55:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:55:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:55:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:55:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:55:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:55:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:55:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:55:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:55:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-12 08:55:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-12 08:55:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 08:55:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 08:55:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 08:55:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-12 08:55:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-12 08:55:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-12 08:55:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-12 08:55:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:55:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:55:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-12 08:55:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-12 08:55:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:55:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:55:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:55:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:55:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:55:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:55:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-12 08:55:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-12 08:55:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:55:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:55:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:55:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:55:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:55:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:55:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:55:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:55:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:55:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-12 08:55:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-12 08:55:48,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:55:48,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:55:54,949 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-12 08:55:54,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:55:54,986 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:55:54,987 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-12 08:55:54,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:54 BoogieIcfgContainer [2024-11-12 08:55:54,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:55:54,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:55:54,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:55:54,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:55:54,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:55:44" (1/3) ... [2024-11-12 08:55:54,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448a7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:55:54, skipping insertion in model container [2024-11-12 08:55:54,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47" (2/3) ... [2024-11-12 08:55:54,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448a7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:55:54, skipping insertion in model container [2024-11-12 08:55:54,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:54" (3/3) ... [2024-11-12 08:55:55,001 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2024-11-12 08:55:55,019 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:55:55,020 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 08:55:55,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:55:55,127 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;@2ac7efa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:55:55,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 08:55:55,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-12 08:55:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 08:55:55,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:55:55,159 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:55:55,160 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:55:55,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:55:55,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1039494375, now seen corresponding path program 1 times [2024-11-12 08:55:55,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:55:55,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228805818] [2024-11-12 08:55:55,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:55:55,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:56:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:56:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:56:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:56:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:56:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:56:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:56:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:56:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:56:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:56:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:56:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:56:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:56:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:56:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 08:56:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:56:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:56:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 08:56:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 08:56:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 08:56:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 08:56:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-12 08:56:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:56:03,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228805818] [2024-11-12 08:56:03,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228805818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:56:03,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:56:03,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 08:56:03,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351468782] [2024-11-12 08:56:03,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:56:03,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 08:56:03,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:56:03,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 08:56:03,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:56:03,250 INFO L87 Difference]: Start difference. First operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-12 08:56:07,366 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 08:56:11,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:16,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:35,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:56:35,994 INFO L93 Difference]: Finished difference Result 1067 states and 1807 transitions. [2024-11-12 08:56:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:56:35,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2024-11-12 08:56:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:56:36,019 INFO L225 Difference]: With dead ends: 1067 [2024-11-12 08:56:36,020 INFO L226 Difference]: Without dead ends: 631 [2024-11-12 08:56:36,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:56:36,034 INFO L435 NwaCegarLoop]: 455 mSDtfsCounter, 337 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 570 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 570 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2024-11-12 08:56:36,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1011 Invalid, 1654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [570 Valid, 1081 Invalid, 3 Unknown, 0 Unchecked, 31.8s Time] [2024-11-12 08:56:36,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-12 08:56:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2024-11-12 08:56:36,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 259 states have (on average 1.22007722007722) internal successors, (316), 262 states have internal predecessors, (316), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-12 08:56:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2024-11-12 08:56:36,204 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 163 [2024-11-12 08:56:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:56:36,206 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2024-11-12 08:56:36,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-12 08:56:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2024-11-12 08:56:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 08:56:36,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:56:36,214 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:56:36,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:56:36,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:56:36,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:56:36,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1287744279, now seen corresponding path program 1 times [2024-11-12 08:56:36,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:56:36,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050480878] [2024-11-12 08:56:36,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:36,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:56:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:56:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:56:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:56:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:56:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:56:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:56:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:56:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:56:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:56:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:56:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:56:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:56:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:56:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 08:56:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:56:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:56:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 08:56:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 08:56:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 08:56:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 08:56:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-12 08:56:44,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:56:44,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050480878] [2024-11-12 08:56:44,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050480878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:56:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319750878] [2024-11-12 08:56:44,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:44,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:56:44,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:56:44,669 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) [2024-11-12 08:56:44,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:56:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:50,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:56:50,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:56:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-12 08:56:51,817 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:56:51,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319750878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:56:51,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:56:51,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-12 08:56:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927727061] [2024-11-12 08:56:51,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:56:51,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:56:51,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:56:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:56:51,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-12 08:56:51,825 INFO L87 Difference]: Start difference. First operand 450 states and 638 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 08:56:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:56:57,190 INFO L93 Difference]: Finished difference Result 851 states and 1225 transitions. [2024-11-12 08:56:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:56:57,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 163 [2024-11-12 08:56:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:56:57,197 INFO L225 Difference]: With dead ends: 851 [2024-11-12 08:56:57,198 INFO L226 Difference]: Without dead ends: 452 [2024-11-12 08:56:57,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-12 08:56:57,202 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 641 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-12 08:56:57,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 2218 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-12 08:56:57,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-12 08:56:57,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-12 08:56:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 264 states have internal predecessors, (317), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2024-11-12 08:56:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 652 transitions. [2024-11-12 08:56:57,269 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 652 transitions. Word has length 163 [2024-11-12 08:56:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:56:57,269 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 652 transitions. [2024-11-12 08:56:57,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-12 08:56:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 652 transitions. [2024-11-12 08:56:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-12 08:56:57,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:56:57,277 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:56:57,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 08:56:57,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:56:57,478 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:56:57,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:56:57,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1058970457, now seen corresponding path program 1 times [2024-11-12 08:56:57,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:56:57,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353350976] [2024-11-12 08:56:57,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:57:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:57:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:57:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:57:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:57:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:57:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:57:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:57:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:57:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:57:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:57:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:57:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat