./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_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-?-798a7b3-m [2025-03-04 03:02:31,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:02:31,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:02:31,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:02:31,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:02:31,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:02:31,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:02:31,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:02:31,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:02:31,071 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:02:31,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:02:31,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:02:31,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:02:31,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:02:31,073 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:31,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:02:31,073 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:02:31,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:02:31,074 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 [2025-03-04 03:02:31,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:02:31,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:02:31,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:02:31,334 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:02:31,335 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:02:31,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-03-04 03:02:32,571 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092275945/378e1cb4f9714ab4b3a3ac6612e55ad7/FLAGa2646de71 [2025-03-04 03:02:32,997 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:02:32,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2025-03-04 03:02:33,031 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092275945/378e1cb4f9714ab4b3a3ac6612e55ad7/FLAGa2646de71 [2025-03-04 03:02:33,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092275945/378e1cb4f9714ab4b3a3ac6612e55ad7 [2025-03-04 03:02:33,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:02:33,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:02:33,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:33,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:02:33,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:02:33,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:33" (1/1) ... [2025-03-04 03:02:33,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762a5b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:33, skipping insertion in model container [2025-03-04 03:02:33,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:33" (1/1) ... [2025-03-04 03:02:33,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:02:33,331 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] [2025-03-04 03:02:33,338 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] [2025-03-04 03:02:34,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:34,714 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:02:34,728 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] [2025-03-04 03:02:34,729 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] [2025-03-04 03:02:34,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,828 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-04 03:02:34,922 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,934 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:34,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:35,105 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:02:35,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35 WrapperNode [2025-03-04 03:02:35,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:35,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:35,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:02:35,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:02:35,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,211 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1055 [2025-03-04 03:02:35,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:35,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:02:35,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:02:35,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:02:35,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,331 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [13, 17, 2, 3, 261, 96]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [11, 4, 2, 1, 12, 0]. The 262 writes are split as follows [0, 3, 0, 1, 240, 18]. [2025-03-04 03:02:35,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:02:35,390 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:02:35,390 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:02:35,390 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:02:35,391 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (1/1) ... [2025-03-04 03:02:35,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:35,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:35,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:02:35,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:02:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-04 03:02:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-04 03:02:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 03:02:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 03:02:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:02:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 03:02:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 03:02:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 03:02:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 03:02:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:02:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-04 03:02:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:02:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:02:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-04 03:02:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:02:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:35,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:02:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-04 03:02:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-04 03:02:35,789 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:02:35,791 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:02:35,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-04 03:02:35,832 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:02:35,855 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 03:02:35,914 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-04 03:02:36,006 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-04 03:02:36,075 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-04 03:02:36,079 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:02:36,135 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-04 03:02:36,239 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8350: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-03-04 03:02:36,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 03:02:36,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-04 03:02:36,290 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-04 03:02:36,295 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-04 03:02:36,327 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8050: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-03-04 03:02:36,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-04 03:02:42,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8397-2: havoc aws_priority_queue_pop_#t~ret938#1; [2025-03-04 03:02:42,463 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-04 03:02:42,463 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-04 03:02:42,574 INFO L? ?]: Removed 256 outVars from TransFormulas that were not future-live. [2025-03-04 03:02:42,575 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:02:42,595 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:02:42,595 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:02:42,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:42 BoogieIcfgContainer [2025-03-04 03:02:42,596 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:02:42,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:02:42,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:02:42,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:02:42,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:02:33" (1/3) ... [2025-03-04 03:02:42,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107c5ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:42, skipping insertion in model container [2025-03-04 03:02:42,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:35" (2/3) ... [2025-03-04 03:02:42,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107c5ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:42, skipping insertion in model container [2025-03-04 03:02:42,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:42" (3/3) ... [2025-03-04 03:02:42,605 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2025-03-04 03:02:42,618 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:02:42,619 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. [2025-03-04 03:02:42,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:02:42,686 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;@40492eb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:02:42,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 03:02:42,693 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) [2025-03-04 03:02:42,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-04 03:02:42,709 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:42,710 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] [2025-03-04 03:02:42,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:42,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:42,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1407042373, now seen corresponding path program 1 times [2025-03-04 03:02:42,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:42,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368506970] [2025-03-04 03:02:42,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:42,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:02:47,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:47,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:47,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:47,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-04 03:02:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:02:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368506970] [2025-03-04 03:02:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368506970] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:02:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469584736] [2025-03-04 03:02:48,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:48,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:02:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:48,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:02:48,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 03:02:52,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:53,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:53,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:53,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:53,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 03:02:53,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:02:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-04 03:02:53,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:02:53,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469584736] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:02:53,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:02:53,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 03:02:53,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751328841] [2025-03-04 03:02:53,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:02:53,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 03:02:53,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:02:53,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 03:02:53,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:02:53,089 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) [2025-03-04 03:02:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:02:53,162 INFO L93 Difference]: Finished difference Result 878 states and 1360 transitions. [2025-03-04 03:02:53,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 03:02:53,164 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 [2025-03-04 03:02:53,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:02:53,174 INFO L225 Difference]: With dead ends: 878 [2025-03-04 03:02:53,174 INFO L226 Difference]: Without dead ends: 446 [2025-03-04 03:02:53,181 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 [2025-03-04 03:02:53,183 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 [2025-03-04 03:02:53,184 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] [2025-03-04 03:02:53,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-04 03:02:53,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-03-04 03:02:53,244 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) [2025-03-04 03:02:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2025-03-04 03:02:53,260 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 163 [2025-03-04 03:02:53,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:02:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2025-03-04 03:02:53,264 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) [2025-03-04 03:02:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2025-03-04 03:02:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-04 03:02:53,270 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:53,271 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] [2025-03-04 03:02:53,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 03:02:53,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 03:02:53,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:53,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:53,473 INFO L85 PathProgramCache]: Analyzing trace with hash 243423046, now seen corresponding path program 1 times [2025-03-04 03:02:53,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:53,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688022806] [2025-03-04 03:02:53,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:53,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:02:57,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:57,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:57,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:57,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-03-04 03:02:58,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:02:58,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688022806] [2025-03-04 03:02:58,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688022806] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:02:58,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539662607] [2025-03-04 03:02:58,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:58,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:02:58,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:58,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:02:58,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 03:03:03,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:03:03,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:03:03,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:03,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:03,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 03:03:03,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-04 03:03:04,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:04,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539662607] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:04,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:04,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 03:03:04,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447351585] [2025-03-04 03:03:04,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:04,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:03:04,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:04,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:03:04,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 03:03:04,792 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) [2025-03-04 03:03:08,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:08,470 INFO L93 Difference]: Finished difference Result 843 states and 1217 transitions. [2025-03-04 03:03:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:03:08,471 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 [2025-03-04 03:03:08,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:08,480 INFO L225 Difference]: With dead ends: 843 [2025-03-04 03:03:08,481 INFO L226 Difference]: Without dead ends: 448 [2025-03-04 03:03:08,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-04 03:03:08,485 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 637 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:08,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 2202 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-03-04 03:03:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-03-04 03:03:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-03-04 03:03:08,528 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) [2025-03-04 03:03:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 648 transitions. [2025-03-04 03:03:08,535 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 648 transitions. Word has length 163 [2025-03-04 03:03:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:08,536 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 648 transitions. [2025-03-04 03:03:08,537 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) [2025-03-04 03:03:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2025-03-04 03:03:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-04 03:03:08,539 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:08,540 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] [2025-03-04 03:03:08,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 03:03:08,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-04 03:03:08,741 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:08,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:08,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2108410886, now seen corresponding path program 1 times [2025-03-04 03:03:08,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:08,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949381025] [2025-03-04 03:03:08,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:08,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:12,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 03:03:12,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 03:03:12,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:12,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-04 03:03:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949381025] [2025-03-04 03:03:14,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949381025] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826024379] [2025-03-04 03:03:14,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:14,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:14,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:14,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:14,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 03:03:18,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 03:03:19,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 03:03:19,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:19,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:19,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 4592 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:19,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-04 03:03:20,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:20,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826024379] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:20,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:20,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-04 03:03:20,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499988572] [2025-03-04 03:03:20,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:20,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 03:03:20,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:20,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 03:03:20,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-04 03:03:20,807 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) [2025-03-04 03:03:28,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:28,352 INFO L93 Difference]: Finished difference Result 866 states and 1288 transitions. [2025-03-04 03:03:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 03:03:28,353 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 [2025-03-04 03:03:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:28,357 INFO L225 Difference]: With dead ends: 866 [2025-03-04 03:03:28,357 INFO L226 Difference]: Without dead ends: 469 [2025-03-04 03:03:28,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-04 03:03:28,360 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 685 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s 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, 6.5s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:28,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 3166 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2025-03-04 03:03:28,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-03-04 03:03:28,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 467. [2025-03-04 03:03:28,379 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) [2025-03-04 03:03:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-04 03:03:28,384 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 171 [2025-03-04 03:03:28,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:28,384 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-04 03:03:28,384 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) [2025-03-04 03:03:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-04 03:03:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-04 03:03:28,386 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:28,386 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] [2025-03-04 03:03:28,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 03:03:28,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:28,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:28,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:28,587 INFO L85 PathProgramCache]: Analyzing trace with hash 458677095, now seen corresponding path program 1 times [2025-03-04 03:03:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:28,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083711950] [2025-03-04 03:03:28,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:28,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:32,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-04 03:03:32,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-04 03:03:32,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:32,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-04 03:03:33,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:33,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083711950] [2025-03-04 03:03:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083711950] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:33,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502877929] [2025-03-04 03:03:33,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:33,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:33,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:33,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:33,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 03:03:37,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-04 03:03:38,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-04 03:03:38,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:38,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:38,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 4719 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:38,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-04 03:03:39,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:39,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502877929] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:39,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:39,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-04 03:03:39,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425734663] [2025-03-04 03:03:39,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:39,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:03:39,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:39,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:03:39,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 03:03:39,950 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) [2025-03-04 03:03:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:44,758 INFO L93 Difference]: Finished difference Result 889 states and 1347 transitions. [2025-03-04 03:03:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:03:44,765 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 [2025-03-04 03:03:44,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:44,772 INFO L225 Difference]: With dead ends: 889 [2025-03-04 03:03:44,772 INFO L226 Difference]: Without dead ends: 473 [2025-03-04 03:03:44,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:03:44,779 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 653 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.3s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:44,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 2696 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2025-03-04 03:03:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-03-04 03:03:44,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2025-03-04 03:03:44,808 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) [2025-03-04 03:03:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-04 03:03:44,812 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 186 [2025-03-04 03:03:44,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:44,813 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-04 03:03:44,813 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) [2025-03-04 03:03:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-04 03:03:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-04 03:03:44,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:44,818 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] [2025-03-04 03:03:44,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 03:03:45,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:45,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:45,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:45,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1982746145, now seen corresponding path program 1 times [2025-03-04 03:03:45,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:45,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496761354] [2025-03-04 03:03:45,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:48,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 03:03:48,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 03:03:48,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:48,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 03:03:50,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:50,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496761354] [2025-03-04 03:03:50,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496761354] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:50,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463382806] [2025-03-04 03:03:50,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:50,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:50,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:03:50,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 03:03:54,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 03:03:55,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 03:03:55,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:55,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:55,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 4791 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 03:03:55,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2025-03-04 03:03:57,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:57,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463382806] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:57,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:57,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-04 03:03:57,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977728933] [2025-03-04 03:03:57,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:57,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 03:03:57,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:57,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 03:03:57,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:03:57,505 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)