./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_pop_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:13:50,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:13:50,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:13:50,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:13:50,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:13:50,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:13:50,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:13:50,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:13:50,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:13:50,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:13:50,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:13:50,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:13:50,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:13:50,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:13:50,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:13:50,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:13:50,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:50,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:13:50,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:13:50,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:13:50,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:13:50,637 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 -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2025-03-08 18:13:50,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:13:50,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:13:50,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:13:50,888 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:13:50,888 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:13:50,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-03-08 18:13:52,129 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7042a4adf/32108c837bb8433bb6609cd6efa8cc0a/FLAG5ca55e796 [2025-03-08 18:13:52,569 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:13:52,569 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-03-08 18:13:52,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7042a4adf/32108c837bb8433bb6609cd6efa8cc0a/FLAG5ca55e796 [2025-03-08 18:13:52,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7042a4adf/32108c837bb8433bb6609cd6efa8cc0a [2025-03-08 18:13:52,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:13:52,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:13:52,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:52,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:13:52,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:13:52,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:52" (1/1) ... [2025-03-08 18:13:52,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e9fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:52, skipping insertion in model container [2025-03-08 18:13:52,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:52" (1/1) ... [2025-03-08 18:13:52,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:13:52,958 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4496,4509] [2025-03-08 18:13:52,964 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4556,4569] [2025-03-08 18:13:53,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:53,823 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:13:53,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4496,4509] [2025-03-08 18:13:53,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i[4556,4569] [2025-03-08 18:13:53,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-08 18:13:53,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:53,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:54,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:54,137 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:13:54,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54 WrapperNode [2025-03-08 18:13:54,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:54,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:54,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:13:54,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:13:54,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,233 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1055 [2025-03-08 18:13:54,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:54,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:13:54,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:13:54,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:13:54,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,325 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 13, 96, 261, 3, 17]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 0, 12, 1, 4]. The 262 writes are split as follows [0, 0, 18, 240, 1, 3]. [2025-03-08 18:13:54,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:13:54,403 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:13:54,403 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:13:54,403 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:13:54,404 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (1/1) ... [2025-03-08 18:13:54,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:54,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:13:54,430 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) [2025-03-08 18:13:54,432 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 [2025-03-08 18:13:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-08 18:13:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-08 18:13:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:13:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:13:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:13:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:13:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:13:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:13:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:13:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:13:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:13:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-08 18:13:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-08 18:13:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:13:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:13:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:13:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:13:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:13:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:13:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:13:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:13:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-08 18:13:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:13:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-08 18:13:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 18:13:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:13:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:13:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:13:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:13:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:13:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:13:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:13:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:13:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:13:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:13:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:13:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-08 18:13:54,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-08 18:13:54,753 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:13:54,756 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:13:54,785 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:13:54,789 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:13:54,819 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:13:54,896 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:13:54,954 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-08 18:13:55,005 INFO L1307 $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; [2025-03-08 18:13:55,008 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:13:55,071 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:13:55,166 INFO L1307 $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; [2025-03-08 18:13:55,192 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:13:55,192 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-08 18:13:55,210 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-08 18:13:55,216 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-08 18:13:55,247 INFO L1307 $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; [2025-03-08 18:13:55,331 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-08 18:14:01,067 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8397-2: havoc aws_priority_queue_pop_#t~ret938#1; [2025-03-08 18:14:01,318 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-08 18:14:01,318 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-08 18:14:01,445 INFO L? ?]: Removed 256 outVars from TransFormulas that were not future-live. [2025-03-08 18:14:01,445 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:14:01,466 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:14:01,470 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:14:01,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:01 BoogieIcfgContainer [2025-03-08 18:14:01,471 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:14:01,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:14:01,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:14:01,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:14:01,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:13:52" (1/3) ... [2025-03-08 18:14:01,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c30418f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:01, skipping insertion in model container [2025-03-08 18:14:01,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:54" (2/3) ... [2025-03-08 18:14:01,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c30418f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:01, skipping insertion in model container [2025-03-08 18:14:01,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:01" (3/3) ... [2025-03-08 18:14:01,480 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2025-03-08 18:14:01,491 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:14:01,492 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_pop_harness_negated.i that has 34 procedures, 473 locations, 1 initial locations, 11 loop locations, and 2 error locations. [2025-03-08 18:14:01,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:14:01,558 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;@19b7595d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:14:01,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 18:14:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 453 states, 261 states have (on average 1.2337164750957854) internal successors, (322), 264 states have internal predecessors, (322), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2025-03-08 18:14:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-08 18:14:01,576 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:01,577 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:01,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:01,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1407042373, now seen corresponding path program 1 times [2025-03-08 18:14:01,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:01,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303835629] [2025-03-08 18:14:01,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:01,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:05,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-08 18:14:06,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-08 18:14:06,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:06,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-08 18:14:06,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:06,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303835629] [2025-03-08 18:14:06,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303835629] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:06,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503154818] [2025-03-08 18:14:06,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:06,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:06,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:06,704 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) [2025-03-08 18:14:06,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:14:10,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-08 18:14:11,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-08 18:14:11,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:11,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:11,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:14:11,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-08 18:14:11,318 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503154818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:11,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:14:11,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490911602] [2025-03-08 18:14:11,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:11,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:14:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:11,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:14:11,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:14:11,339 INFO L87 Difference]: Start difference. First operand has 453 states, 261 states have (on average 1.2337164750957854) internal successors, (322), 264 states have internal predecessors, (322), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-08 18:14:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:11,412 INFO L93 Difference]: Finished difference Result 878 states and 1360 transitions. [2025-03-08 18:14:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:14:11,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2025-03-08 18:14:11,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:11,427 INFO L225 Difference]: With dead ends: 878 [2025-03-08 18:14:11,428 INFO L226 Difference]: Without dead ends: 446 [2025-03-08 18:14:11,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:14:11,443 INFO L435 NwaCegarLoop]: 639 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, 639 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 [2025-03-08 18:14:11,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:14:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-08 18:14:11,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-03-08 18:14:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 255 states have (on average 1.223529411764706) internal successors, (312), 258 states have internal predecessors, (312), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2025-03-08 18:14:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2025-03-08 18:14:11,526 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 163 [2025-03-08 18:14:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:11,527 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2025-03-08 18:14:11,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-08 18:14:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2025-03-08 18:14:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-08 18:14:11,533 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:11,534 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:11,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:14:11,735 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 [2025-03-08 18:14:11,735 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:11,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:11,736 INFO L85 PathProgramCache]: Analyzing trace with hash 243423046, now seen corresponding path program 1 times [2025-03-08 18:14:11,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:11,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585264439] [2025-03-08 18:14:11,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:15,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-08 18:14:15,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-08 18:14:15,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:15,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-08 18:14:16,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:16,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585264439] [2025-03-08 18:14:16,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585264439] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:16,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519430647] [2025-03-08 18:14:16,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:16,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:16,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:16,227 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) [2025-03-08 18:14:16,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:14:20,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-08 18:14:20,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-08 18:14:20,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:20,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:20,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:14:20,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-08 18:14:21,992 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:21,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519430647] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:21,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:21,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:14:21,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412850417] [2025-03-08 18:14:21,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:21,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:14:21,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:21,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:14:21,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:14:21,995 INFO L87 Difference]: Start difference. First operand 446 states and 634 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-08 18:14:25,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:25,174 INFO L93 Difference]: Finished difference Result 843 states and 1217 transitions. [2025-03-08 18:14:25,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:14:25,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 163 [2025-03-08 18:14:25,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:25,179 INFO L225 Difference]: With dead ends: 843 [2025-03-08 18:14:25,180 INFO L226 Difference]: Without dead ends: 448 [2025-03-08 18:14:25,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:14:25,182 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 637 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:25,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 2202 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-08 18:14:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-03-08 18:14:25,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-03-08 18:14:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 256 states have (on average 1.22265625) internal successors, (313), 260 states have internal predecessors, (313), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2025-03-08 18:14:25,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 648 transitions. [2025-03-08 18:14:25,220 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 648 transitions. Word has length 163 [2025-03-08 18:14:25,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:25,221 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 648 transitions. [2025-03-08 18:14:25,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-03-08 18:14:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2025-03-08 18:14:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-08 18:14:25,227 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:25,227 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:25,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 18:14:25,428 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 [2025-03-08 18:14:25,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:25,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:25,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2108410886, now seen corresponding path program 1 times [2025-03-08 18:14:25,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:25,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182477775] [2025-03-08 18:14:25,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:29,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-08 18:14:29,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-08 18:14:29,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:29,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-08 18:14:30,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:30,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182477775] [2025-03-08 18:14:30,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182477775] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:30,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381370370] [2025-03-08 18:14:30,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:30,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:30,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:30,536 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) [2025-03-08 18:14:30,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:14:34,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-08 18:14:34,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-08 18:14:34,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:34,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:34,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 4592 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:14:34,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-08 18:14:36,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:36,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381370370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:36,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:36,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:14:36,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359235680] [2025-03-08 18:14:36,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:36,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:14:36,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:36,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:14:36,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:14:36,488 INFO L87 Difference]: Start difference. First operand 448 states and 648 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-03-08 18:14:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:43,215 INFO L93 Difference]: Finished difference Result 866 states and 1288 transitions. [2025-03-08 18:14:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:14:43,216 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 171 [2025-03-08 18:14:43,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:43,221 INFO L225 Difference]: With dead ends: 866 [2025-03-08 18:14:43,221 INFO L226 Difference]: Without dead ends: 469 [2025-03-08 18:14:43,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:14:43,224 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 685 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 3166 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:43,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 3166 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2025-03-08 18:14:43,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-03-08 18:14:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 467. [2025-03-08 18:14:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 272 states have (on average 1.2316176470588236) internal successors, (335), 276 states have internal predecessors, (335), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-03-08 18:14:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-08 18:14:43,248 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 171 [2025-03-08 18:14:43,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:43,248 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-08 18:14:43,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2025-03-08 18:14:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-08 18:14:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-08 18:14:43,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:43,251 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 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] [2025-03-08 18:14:43,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:14:43,451 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 [2025-03-08 18:14:43,451 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:43,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:43,452 INFO L85 PathProgramCache]: Analyzing trace with hash 458677095, now seen corresponding path program 1 times [2025-03-08 18:14:43,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:43,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297967598] [2025-03-08 18:14:43,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:43,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:46,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-08 18:14:46,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-08 18:14:46,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:46,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-08 18:14:48,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:48,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297967598] [2025-03-08 18:14:48,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297967598] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:48,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394938966] [2025-03-08 18:14:48,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:48,230 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) [2025-03-08 18:14:48,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:14:52,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-08 18:14:52,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-08 18:14:52,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:52,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:52,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 4719 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:14:52,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-08 18:14:54,202 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:54,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394938966] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:54,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:54,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-08 18:14:54,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547127062] [2025-03-08 18:14:54,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:54,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:14:54,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:54,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:14:54,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:14:54,204 INFO L87 Difference]: Start difference. First operand 467 states and 691 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 18:14:58,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:58,739 INFO L93 Difference]: Finished difference Result 889 states and 1347 transitions. [2025-03-08 18:14:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:14:58,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2025-03-08 18:14:58,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:58,744 INFO L225 Difference]: With dead ends: 889 [2025-03-08 18:14:58,744 INFO L226 Difference]: Without dead ends: 473 [2025-03-08 18:14:58,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:14:58,747 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 653 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:58,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 2696 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-03-08 18:14:58,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-03-08 18:14:58,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2025-03-08 18:14:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 272 states have (on average 1.2316176470588236) internal successors, (335), 276 states have internal predecessors, (335), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-03-08 18:14:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-08 18:14:58,772 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 186 [2025-03-08 18:14:58,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:58,772 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-08 18:14:58,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2025-03-08 18:14:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-08 18:14:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-08 18:14:58,775 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:58,775 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:58,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:14:58,975 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 [2025-03-08 18:14:58,976 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:58,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:58,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1982746145, now seen corresponding path program 1 times [2025-03-08 18:14:58,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:58,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908883906] [2025-03-08 18:14:58,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:58,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:02,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-08 18:15:02,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 18:15:02,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:02,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-08 18:15:03,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:03,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908883906] [2025-03-08 18:15:03,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908883906] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:03,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331450664] [2025-03-08 18:15:03,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:03,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:03,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:03,961 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) [2025-03-08 18:15:03,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:15:08,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-08 18:15:08,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-08 18:15:08,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:08,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:08,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 4791 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:15:08,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-03-08 18:15:10,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:10,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331450664] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:10,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:10,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-08 18:15:10,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452688902] [2025-03-08 18:15:10,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:10,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:15:10,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:10,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:15:10,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:15:10,751 INFO L87 Difference]: Start difference. First operand 467 states and 691 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2025-03-08 18:15:19,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:19,444 INFO L93 Difference]: Finished difference Result 900 states and 1352 transitions. [2025-03-08 18:15:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:15:19,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 202 [2025-03-08 18:15:19,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:19,451 INFO L225 Difference]: With dead ends: 900 [2025-03-08 18:15:19,451 INFO L226 Difference]: Without dead ends: 484 [2025-03-08 18:15:19,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-08 18:15:19,455 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 710 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 3624 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:19,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 3624 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2025-03-08 18:15:19,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-08 18:15:19,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 467. [2025-03-08 18:15:19,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 272 states have (on average 1.2316176470588236) internal successors, (335), 276 states have internal predecessors, (335), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2025-03-08 18:15:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-08 18:15:19,479 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 202 [2025-03-08 18:15:19,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:19,480 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-08 18:15:19,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2025-03-08 18:15:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-08 18:15:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2025-03-08 18:15:19,483 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:19,484 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:15:19,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 18:15:19,684 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 [2025-03-08 18:15:19,685 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:19,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:19,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1653243944, now seen corresponding path program 2 times [2025-03-08 18:15:19,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:19,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390478873] [2025-03-08 18:15:19,686 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 18:15:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:23,160 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 217 statements into 2 equivalence classes. [2025-03-08 18:15:23,244 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 28 of 217 statements. [2025-03-08 18:15:23,244 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 18:15:23,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2025-03-08 18:15:25,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:25,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390478873] [2025-03-08 18:15:25,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390478873] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:25,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.