./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:55:41,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:55:42,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:55:42,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:55:42,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:55:42,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:55:42,060 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:55:42,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:55:42,061 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:55:42,063 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:55:42,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:55:42,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:55:42,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:55:42,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:55:42,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:55:42,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:55:42,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:55:42,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:55:42,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:55:42,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:55:42,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:55:42,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:55:42,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:55:42,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:55:42,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:55:42,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:55:42,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:55:42,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:55:42,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:55:42,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:55:42,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:55:42,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:55:42,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:55:42,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:55:42,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:55:42,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:55:42,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:55:42,077 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:55:42,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:55:42,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2024-11-12 08:55:42,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:55:42,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:55:42,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:55:42,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:55:42,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:55:42,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-12 08:55:44,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:55:44,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:55:44,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-12 08:55:44,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe35cefa6/434d1b0a3dc34e50a460c035e634f5a9/FLAG3dd1b0391 [2024-11-12 08:55:44,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe35cefa6/434d1b0a3dc34e50a460c035e634f5a9 [2024-11-12 08:55:44,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:55:44,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:55:44,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:55:44,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:55:44,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:55:44,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:44" (1/1) ... [2024-11-12 08:55:44,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e0994b 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 08:55:44,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:55:44" (1/1) ... [2024-11-12 08:55:44,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:55:44,973 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_negated.i[4496,4509] [2024-11-12 08:55:44,983 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_negated.i[4556,4569] [2024-11-12 08:55:45,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,928 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,930 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,933 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,934 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:45,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:55:46,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:55:46,686 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_negated.i[4496,4509] [2024-11-12 08:55:46,688 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_negated.i[4556,4569] [2024-11-12 08:55:46,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,767 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,767 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-12 08:55:46,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,914 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,915 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,915 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,928 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:55:46,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:55:47,116 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:55:47,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:55:47 WrapperNode [2024-11-12 08:55:47,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:55:47,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:55:47,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:55:47,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:55:47,126 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 08:55:47,208 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 08:55:47,434 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 08:55:47,435 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 08:55:47,458 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, 13, 261, 3, 17, 96]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 12, 1, 4, 0]. The 262 writes are split as follows [0, 0, 240, 1, 3, 18]. [2024-11-12 08:55:47,574 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 08:55:47,575 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 08:55:47,619 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 08:55:47,633 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 08:55:47,648 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 08:55:47,660 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 08:55:47,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:55:47,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:55:47,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:55:47,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:55:47,691 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 08:55:47,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:55:47,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:55:47,736 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 08:55:47,743 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 08:55:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-12 08:55:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-12 08:55:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:55:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:55:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:55:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:55:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:55:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:55:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:55:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:55:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:55:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-12 08:55:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-12 08:55:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:55:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:55:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:55:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:55:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:55:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:55:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:55:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:55:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:55:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:55:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:55:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:55:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:55:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:55:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:55:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:55:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-12 08:55:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-12 08:55:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:55:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:55:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:55:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:55:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:55:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:55:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:55:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:55:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-12 08:55:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-12 08:55:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:55:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:55:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:55:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:55:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:55:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:55:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:55:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:55:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:55:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:55:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:55:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:55:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:55:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:55:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:55:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:55:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:55:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:55:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:55:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-12 08:55:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-12 08:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 08:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 08:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 08:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-12 08:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-12 08:55:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-12 08:55:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:55:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:55:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-12 08:55:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:55:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:55:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:55:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:55:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:55:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-12 08:55:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-12 08:55:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:55:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:55:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:55:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:55:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:55:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:55:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:55:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:55:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:55:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:55:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:55:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:55:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:55:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:55:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:55:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:55:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:55:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:55:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:55:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:55:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:55:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:55:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-12 08:55:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-12 08:55:48,205 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:55:48,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:55:54,749 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-12 08:55:54,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:55:54,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:55:54,785 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-12 08:55:54,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:55:54 BoogieIcfgContainer [2024-11-12 08:55:54,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:55:54,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:55:54,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:55:54,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:55:54,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:55:44" (1/3) ... [2024-11-12 08:55:54,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef1d303 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 08:55:54,798 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 08:55:54,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef1d303 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 08:55:54,799 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 08:55:54,801 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2024-11-12 08:55:54,819 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:55:54,819 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 08:55:54,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:55:54,928 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@712b7c1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:55:54,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 08:55:54,934 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 08:55:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 08:55:54,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:55:54,960 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 08:55:54,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:55:54,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:55:54,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1039494375, now seen corresponding path program 1 times [2024-11-12 08:55:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:55:55,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429118810] [2024-11-12 08:55:55,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:55:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:56:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:56:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:56:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:56:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:56:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:56:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:56:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:56:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:56:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:56:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:56:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:56:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:56:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:56:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 08:56:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:56:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:56:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 08:56:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 08:56:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 08:56:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 08:56:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:02,087 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 08:56:02,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:56:02,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429118810] [2024-11-12 08:56:02,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429118810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:56:02,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:56:02,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 08:56:02,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382442822] [2024-11-12 08:56:02,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:56:02,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 08:56:02,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:56:02,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 08:56:02,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:56:02,129 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 08:56:06,236 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 08:56:10,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:15,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:56:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:56:34,411 INFO L93 Difference]: Finished difference Result 1067 states and 1807 transitions. [2024-11-12 08:56:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:56:34,415 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 08:56:34,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:56:34,438 INFO L225 Difference]: With dead ends: 1067 [2024-11-12 08:56:34,439 INFO L226 Difference]: Without dead ends: 631 [2024-11-12 08:56:34,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:56:34,452 INFO L435 NwaCegarLoop]: 465 mSDtfsCounter, 337 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 564 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2024-11-12 08:56:34,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1027 Invalid, 1649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [564 Valid, 1082 Invalid, 3 Unknown, 0 Unchecked, 31.4s Time] [2024-11-12 08:56:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-12 08:56:34,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2024-11-12 08:56:34,582 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 08:56:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2024-11-12 08:56:34,595 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 163 [2024-11-12 08:56:34,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:56:34,596 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2024-11-12 08:56:34,596 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 08:56:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2024-11-12 08:56:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 08:56:34,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:56:34,602 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 08:56:34,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:56:34,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:56:34,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:56:34,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1287744279, now seen corresponding path program 1 times [2024-11-12 08:56:34,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:56:34,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888057024] [2024-11-12 08:56:34,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:34,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:56:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:56:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:56:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:56:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:56:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:56:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:56:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:56:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:56:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:56:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:56:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:56:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:56:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:56:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:56:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:42,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:56:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:56:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:56:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:56:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 08:56:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:56:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:56:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 08:56:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 08:56:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 08:56:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 08:56:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:43,170 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 08:56:43,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:56:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888057024] [2024-11-12 08:56:43,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888057024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:56:43,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185771163] [2024-11-12 08:56:43,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:43,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:56:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:56:43,177 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 08:56:43,180 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 08:56:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:56:48,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:56:48,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:56:50,631 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 08:56:50,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:56:50,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185771163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:56:50,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:56:50,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-12 08:56:50,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740921261] [2024-11-12 08:56:50,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:56:50,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:56:50,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:56:50,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:56:50,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-12 08:56:50,639 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 08:56:55,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:56:55,935 INFO L93 Difference]: Finished difference Result 851 states and 1225 transitions. [2024-11-12 08:56:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:56:55,936 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 08:56:55,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:56:55,947 INFO L225 Difference]: With dead ends: 851 [2024-11-12 08:56:55,948 INFO L226 Difference]: Without dead ends: 452 [2024-11-12 08:56:55,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-12 08:56:55,955 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 641 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.6s IncrementalHoareTripleChecker+Time [2024-11-12 08:56:55,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 2218 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-12 08:56:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-12 08:56:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-12 08:56:56,027 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 08:56:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 652 transitions. [2024-11-12 08:56:56,036 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 652 transitions. Word has length 163 [2024-11-12 08:56:56,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:56:56,037 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 652 transitions. [2024-11-12 08:56:56,038 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 08:56:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 652 transitions. [2024-11-12 08:56:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-12 08:56:56,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:56:56,045 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 08:56:56,087 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 08:56:56,246 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 08:56:56,247 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:56:56,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:56:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1058970457, now seen corresponding path program 1 times [2024-11-12 08:56:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:56:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917010679] [2024-11-12 08:56:56,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:56:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:57:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:57:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:57:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:57:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:57:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:57:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:57:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:57:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:57:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:57:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:57:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:57:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:57:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:57:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 08:57:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 08:57:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:57:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 08:57:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 08:57:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-12 08:57:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 08:57:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 08:57:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 08:57:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 08:57:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 08:57:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-12 08:57:04,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:57:04,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917010679] [2024-11-12 08:57:04,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917010679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:57:04,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299693820] [2024-11-12 08:57:04,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:57:04,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:57:04,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:57:04,604 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) [2024-11-12 08:57:04,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process