./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_remove_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 fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:02:48,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:02:48,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:02:48,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:02:48,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:02:48,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:02:48,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:02:48,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:02:48,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:02:48,807 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:02:48,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:02:48,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:02:48,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:02:48,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:02:48,808 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:02:48,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:02:48,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:02:48,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:02:48,809 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:02:48,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:02:48,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:02:48,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:48,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:02:48,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:02:48,810 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:02:48,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:02:48,811 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2025-03-04 03:02:49,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:02:49,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:02:49,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:02:49,033 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:02:49,034 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:02:49,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-03-04 03:02:50,169 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72138d8bc/8555cf67f17547fd82df80b182bb03ce/FLAG68b45a7da [2025-03-04 03:02:50,589 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:02:50,590 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-03-04 03:02:50,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72138d8bc/8555cf67f17547fd82df80b182bb03ce/FLAG68b45a7da [2025-03-04 03:02:50,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72138d8bc/8555cf67f17547fd82df80b182bb03ce [2025-03-04 03:02:50,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:02:50,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:02:50,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:50,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:02:50,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:02:50,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:50" (1/1) ... [2025-03-04 03:02:50,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2277c1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:50, skipping insertion in model container [2025-03-04 03:02:50,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:50" (1/1) ... [2025-03-04 03:02:50,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:02:50,975 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_remove_harness_negated.i[4499,4512] [2025-03-04 03:02:50,983 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_remove_harness_negated.i[4559,4572] [2025-03-04 03:02:51,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,429 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,429 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,429 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,762 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,828 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:51,883 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:02:51,898 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_remove_harness_negated.i[4499,4512] [2025-03-04 03:02:51,899 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_remove_harness_negated.i[4559,4572] [2025-03-04 03:02:51,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:51,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-04 03:02:52,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,112 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,112 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:52,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:52,276 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:02:52,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52 WrapperNode [2025-03-04 03:02:52,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:52,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:52,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:02:52,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:02:52,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,392 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-03-04 03:02:52,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:52,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:02:52,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:02:52,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:02:52,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,495 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 13, 264, 97, 3, 17]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 12, 0, 1, 4]. The 262 writes are split as follows [0, 0, 240, 18, 1, 3]. [2025-03-04 03:02:52,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:02:52,576 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:02:52,576 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:02:52,577 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:02:52,577 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (1/1) ... [2025-03-04 03:02:52,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:52,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:52,609 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) [2025-03-04 03:02:52,615 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 [2025-03-04 03:02:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-04 03:02:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-04 03:02:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 03:02:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 03:02:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:02:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 03:02:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 03:02:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 03:02:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 03:02:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:02:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:02:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-04 03:02:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-04 03:02:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:02:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:02:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:02:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:02:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:02:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:02:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-04 03:02:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-04 03:02:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:02:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:02:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:02:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-04 03:02:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 03:02:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:02:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:02:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:02:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:02:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 03:02:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:02:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 03:02:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:02:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-04 03:02:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-04 03:02:52,957 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:02:52,959 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:02:52,993 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-04 03:02:52,998 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:02:53,033 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 03:02:53,106 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-04 03:02:53,171 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-04 03:02:53,244 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-04 03:02:53,248 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:02:53,322 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-04 03:02:53,431 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8350: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-03-04 03:02:53,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 03:02:53,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-04 03:02:53,488 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-04 03:02:53,494 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-04 03:02:53,534 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8050: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-03-04 03:02:53,648 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-04 03:02:59,337 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8385-2: havoc aws_priority_queue_remove_#t~ret928#1; [2025-03-04 03:02:59,338 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8387-2: havoc aws_priority_queue_remove_#t~ret930#1; [2025-03-04 03:02:59,588 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-04 03:02:59,588 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-04 03:02:59,716 INFO L? ?]: Removed 265 outVars from TransFormulas that were not future-live. [2025-03-04 03:02:59,716 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:02:59,739 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:02:59,741 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:02:59,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:59 BoogieIcfgContainer [2025-03-04 03:02:59,743 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:02:59,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:02:59,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:02:59,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:02:59,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:02:50" (1/3) ... [2025-03-04 03:02:59,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d913712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:59, skipping insertion in model container [2025-03-04 03:02:59,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:52" (2/3) ... [2025-03-04 03:02:59,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d913712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:59, skipping insertion in model container [2025-03-04 03:02:59,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:59" (3/3) ... [2025-03-04 03:02:59,754 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2025-03-04 03:02:59,768 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:02:59,770 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness_negated.i that has 34 procedures, 485 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-03-04 03:02:59,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:02:59,845 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;@38caa21b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:02:59,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 03:02:59,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2025-03-04 03:02:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-04 03:02:59,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:59,868 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, 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] [2025-03-04 03:02:59,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:59,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:59,875 INFO L85 PathProgramCache]: Analyzing trace with hash -518638816, now seen corresponding path program 1 times [2025-03-04 03:02:59,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:59,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882159440] [2025-03-04 03:02:59,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:59,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:04,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 03:03:04,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 03:03:04,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:04,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-04 03:03:05,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:05,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882159440] [2025-03-04 03:03:05,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882159440] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:05,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467910313] [2025-03-04 03:03:05,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:05,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:05,401 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) [2025-03-04 03:03:05,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 03:03:09,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 03:03:10,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 03:03:10,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:10,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:10,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 03:03:10,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-04 03:03:10,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467910313] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:10,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:10,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 03:03:10,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610839238] [2025-03-04 03:03:10,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:10,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 03:03:10,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:10,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 03:03:10,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:03:10,395 INFO L87 Difference]: Start difference. First operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-04 03:03:10,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:10,484 INFO L93 Difference]: Finished difference Result 902 states and 1401 transitions. [2025-03-04 03:03:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 03:03:10,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2025-03-04 03:03:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:10,495 INFO L225 Difference]: With dead ends: 902 [2025-03-04 03:03:10,495 INFO L226 Difference]: Without dead ends: 458 [2025-03-04 03:03:10,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:03:10,504 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:10,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 03:03:10,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-03-04 03:03:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-03-04 03:03:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 263 states have (on average 1.220532319391635) internal successors, (321), 266 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2025-03-04 03:03:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2025-03-04 03:03:10,584 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 171 [2025-03-04 03:03:10,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:10,587 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2025-03-04 03:03:10,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-04 03:03:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2025-03-04 03:03:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-04 03:03:10,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:10,595 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2025-03-04 03:03:10,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 03:03:10,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 03:03:10,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:10,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:10,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2097939009, now seen corresponding path program 1 times [2025-03-04 03:03:10,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:10,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756420643] [2025-03-04 03:03:10,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:10,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:14,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-04 03:03:14,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-04 03:03:14,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:14,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-03-04 03:03:15,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756420643] [2025-03-04 03:03:15,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756420643] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744936287] [2025-03-04 03:03:15,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:15,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:15,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:15,890 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) [2025-03-04 03:03:15,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 03:03:19,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-04 03:03:20,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-04 03:03:20,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:20,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:20,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 4603 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 03:03:20,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-04 03:03:21,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:21,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744936287] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:21,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:21,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 03:03:21,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325283110] [2025-03-04 03:03:21,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:21,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:03:21,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:21,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:03:21,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 03:03:21,402 INFO L87 Difference]: Start difference. First operand 458 states and 651 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-04 03:03:24,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:24,633 INFO L93 Difference]: Finished difference Result 867 states and 1251 transitions. [2025-03-04 03:03:24,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:03:24,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2025-03-04 03:03:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:24,641 INFO L225 Difference]: With dead ends: 867 [2025-03-04 03:03:24,642 INFO L226 Difference]: Without dead ends: 460 [2025-03-04 03:03:24,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-04 03:03:24,645 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 659 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:24,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2245 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-04 03:03:24,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-03-04 03:03:24,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2025-03-04 03:03:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 264 states have (on average 1.2196969696969697) internal successors, (322), 268 states have internal predecessors, (322), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2025-03-04 03:03:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 665 transitions. [2025-03-04 03:03:24,678 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 665 transitions. Word has length 186 [2025-03-04 03:03:24,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:24,679 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 665 transitions. [2025-03-04 03:03:24,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-04 03:03:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 665 transitions. [2025-03-04 03:03:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-03-04 03:03:24,681 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:24,681 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:24,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 03:03:24,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-04 03:03:24,882 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:24,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:24,883 INFO L85 PathProgramCache]: Analyzing trace with hash -871997525, now seen corresponding path program 1 times [2025-03-04 03:03:24,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:24,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668605670] [2025-03-04 03:03:24,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:24,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:28,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-04 03:03:28,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-04 03:03:28,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:28,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-03-04 03:03:30,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:30,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668605670] [2025-03-04 03:03:30,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668605670] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:30,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951150150] [2025-03-04 03:03:30,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:30,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:30,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:30,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:30,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 03:03:34,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-04 03:03:34,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-04 03:03:34,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:34,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:34,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 4653 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:34,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-04 03:03:36,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:36,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951150150] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:36,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:36,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-04 03:03:36,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658905844] [2025-03-04 03:03:36,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:36,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 03:03:36,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:36,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 03:03:36,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-04 03:03:36,060 INFO L87 Difference]: Start difference. First operand 460 states and 665 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-03-04 03:03:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:42,612 INFO L93 Difference]: Finished difference Result 890 states and 1322 transitions. [2025-03-04 03:03:42,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 03:03:42,613 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2025-03-04 03:03:42,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:42,620 INFO L225 Difference]: With dead ends: 890 [2025-03-04 03:03:42,620 INFO L226 Difference]: Without dead ends: 481 [2025-03-04 03:03:42,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-04 03:03:42,624 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 690 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:42,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 3321 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2025-03-04 03:03:42,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-03-04 03:03:42,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-03-04 03:03:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-04 03:03:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-03-04 03:03:42,674 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 194 [2025-03-04 03:03:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:42,674 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-03-04 03:03:42,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-03-04 03:03:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-03-04 03:03:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-03-04 03:03:42,678 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:42,679 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:42,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 03:03:42,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:42,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:42,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1870811310, now seen corresponding path program 1 times [2025-03-04 03:03:42,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:42,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952230485] [2025-03-04 03:03:42,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:42,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:46,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-04 03:03:46,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-04 03:03:46,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:46,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-03-04 03:03:47,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:47,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952230485] [2025-03-04 03:03:47,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952230485] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:47,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942060235] [2025-03-04 03:03:47,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:47,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:47,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 03:03:52,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-04 03:03:52,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-04 03:03:52,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:52,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:52,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 4780 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:52,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-04 03:03:53,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:53,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942060235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:53,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:53,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-04 03:03:53,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464476512] [2025-03-04 03:03:53,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:53,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:03:53,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:53,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:03:53,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 03:03:53,690 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 03:03:57,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:57,859 INFO L93 Difference]: Finished difference Result 913 states and 1381 transitions. [2025-03-04 03:03:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:03:57,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2025-03-04 03:03:57,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:57,870 INFO L225 Difference]: With dead ends: 913 [2025-03-04 03:03:57,871 INFO L226 Difference]: Without dead ends: 485 [2025-03-04 03:03:57,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:03:57,875 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 675 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:57,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2752 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-03-04 03:03:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-03-04 03:03:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2025-03-04 03:03:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-04 03:03:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-03-04 03:03:57,904 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 209 [2025-03-04 03:03:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:57,905 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-03-04 03:03:57,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 03:03:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-03-04 03:03:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-03-04 03:03:57,907 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:57,907 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:03:57,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 03:03:58,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:58,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:58,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:58,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1595387178, now seen corresponding path program 1 times [2025-03-04 03:03:58,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:58,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228012098] [2025-03-04 03:03:58,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:58,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:04:01,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-03-04 03:04:01,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-03-04 03:04:01,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:01,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-03-04 03:04:02,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:04:02,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228012098] [2025-03-04 03:04:02,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228012098] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:04:02,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352787685] [2025-03-04 03:04:02,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:02,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:04:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:02,980 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:04:02,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 03:04:07,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-03-04 03:04:07,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-03-04 03:04:07,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:04:07,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:04:07,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 4852 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 03:04:07,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:04:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-04 03:04:09,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:04:09,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352787685] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:04:09,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:04:09,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-04 03:04:09,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897939779] [2025-03-04 03:04:09,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:04:09,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 03:04:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:04:09,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 03:04:09,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:04:09,515 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-03-04 03:04:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:04:16,959 INFO L93 Difference]: Finished difference Result 924 states and 1386 transitions. [2025-03-04 03:04:16,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 03:04:16,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 225 [2025-03-04 03:04:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:04:16,964 INFO L225 Difference]: With dead ends: 924 [2025-03-04 03:04:16,964 INFO L226 Difference]: Without dead ends: 496 [2025-03-04 03:04:16,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-04 03:04:16,966 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 732 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-03-04 03:04:16,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 3706 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2025-03-04 03:04:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-03-04 03:04:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 479. [2025-03-04 03:04:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-04 03:04:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-03-04 03:04:16,984 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 225 [2025-03-04 03:04:16,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:04:16,985 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-03-04 03:04:16,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-03-04 03:04:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-03-04 03:04:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2025-03-04 03:04:16,987 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:16,987 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:04:17,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 03:04:17,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:04:17,188 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:04:17,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:17,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1871388049, now seen corresponding path program 2 times [2025-03-04 03:04:17,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:17,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049415719] [2025-03-04 03:04:17,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 03:04:17,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:04:20,607 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-03-04 03:04:20,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 28 of 240 statements. [2025-03-04 03:04:20,772 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 03:04:20,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat