./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:02:23,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:02:23,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:02:23,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:02:23,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:02:23,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:02:23,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:02:23,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:02:23,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:02:23,838 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:02:23,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:02:23,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:02:23,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:02:23,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:02:23,839 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:02:23,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:02:23,840 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:02:23,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:23,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:02:23,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:02:23,841 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 -> 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd [2025-03-04 03:02:24,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:02:24,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:02:24,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:02:24,108 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:02:24,109 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:02:24,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2025-03-04 03:02:25,315 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458e55512/907d4bad50644194b46421bd667f340e/FLAGebf247b92 [2025-03-04 03:02:25,797 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:02:25,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2025-03-04 03:02:25,827 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458e55512/907d4bad50644194b46421bd667f340e/FLAGebf247b92 [2025-03-04 03:02:25,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458e55512/907d4bad50644194b46421bd667f340e [2025-03-04 03:02:25,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:02:25,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:02:25,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:25,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:02:25,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:02:25,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:25" (1/1) ... [2025-03-04 03:02:25,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f180986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:25, skipping insertion in model container [2025-03-04 03:02:25,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:02:25" (1/1) ... [2025-03-04 03:02:25,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:02:26,127 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2025-03-04 03:02:26,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2025-03-04 03:02:26,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:26,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,106 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:27,253 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:02:27,262 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2025-03-04 03:02:27,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2025-03-04 03:02:27,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-03-04 03:02:27,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,444 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:02:27,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:02:27,606 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:02:27,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27 WrapperNode [2025-03-04 03:02:27,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:02:27,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:27,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:02:27,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:02:27,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,729 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1055 [2025-03-04 03:02:27,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:02:27,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:02:27,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:02:27,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:02:27,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,813 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 3, 17, 96, 13, 261]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 4, 0, 11, 12]. The 262 writes are split as follows [0, 1, 3, 18, 0, 240]. [2025-03-04 03:02:27,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:02:27,886 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:02:27,886 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:02:27,886 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:02:27,887 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (1/1) ... [2025-03-04 03:02:27,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:02:27,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:27,915 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 03:02:27,918 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 03:02:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-04 03:02:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-04 03:02:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 03:02:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 03:02:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:02:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 03:02:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 03:02:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 03:02:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 03:02:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:02:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-04 03:02:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:02:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:02:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:02:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-04 03:02:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:02:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 03:02:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 03:02:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-04 03:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-04 03:02:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 03:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-04 03:02:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:02:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-04 03:02:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-04 03:02:28,209 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:02:28,212 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:02:28,250 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-04 03:02:28,254 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:02:28,290 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 03:02:28,350 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-04 03:02:28,454 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-04 03:02:28,524 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 03:02:28,527 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:02:28,596 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2025-03-04 03:02:28,677 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8382: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-03-04 03:02:28,699 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 03:02:28,699 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-04 03:02:28,715 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-04 03:02:28,721 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2025-03-04 03:02:28,754 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8082: 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 03:02:28,847 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-04 03:02:34,753 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8429-2: havoc aws_priority_queue_pop_#t~ret938#1; [2025-03-04 03:02:35,043 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-04 03:02:35,043 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-04 03:02:35,157 INFO L? ?]: Removed 256 outVars from TransFormulas that were not future-live. [2025-03-04 03:02:35,157 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:02:35,182 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:02:35,182 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:02:35,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:35 BoogieIcfgContainer [2025-03-04 03:02:35,182 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:02:35,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:02:35,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:02:35,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:02:35,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:02:25" (1/3) ... [2025-03-04 03:02:35,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0e5fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:35, skipping insertion in model container [2025-03-04 03:02:35,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:02:27" (2/3) ... [2025-03-04 03:02:35,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0e5fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:02:35, skipping insertion in model container [2025-03-04 03:02:35,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:02:35" (3/3) ... [2025-03-04 03:02:35,192 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2025-03-04 03:02:35,203 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:02:35,204 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_pop_harness.i that has 34 procedures, 473 locations, 1 initial locations, 11 loop locations, and 2 error locations. [2025-03-04 03:02:35,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:02:35,271 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;@635427e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:02:35,272 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-04 03:02:35,277 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 03:02:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-04 03:02:35,291 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:35,291 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 03:02:35,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:35,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:35,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1407042373, now seen corresponding path program 1 times [2025-03-04 03:02:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187734416] [2025-03-04 03:02:35,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:02:39,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:40,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:40,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:40,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:40,514 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 03:02:40,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:02:40,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187734416] [2025-03-04 03:02:40,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187734416] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:02:40,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344179400] [2025-03-04 03:02:40,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:40,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:02:40,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:40,520 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 03:02:40,521 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 03:02:44,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:45,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:45,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:45,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:45,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 03:02:45,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:02:45,166 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 03:02:45,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:02:45,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344179400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:02:45,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:02:45,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 03:02:45,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938763104] [2025-03-04 03:02:45,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:02:45,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 03:02:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:02:45,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 03:02:45,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 03:02:45,191 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 03:02:45,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:02:45,261 INFO L93 Difference]: Finished difference Result 878 states and 1360 transitions. [2025-03-04 03:02:45,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 03:02:45,263 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 03:02:45,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:02:45,271 INFO L225 Difference]: With dead ends: 878 [2025-03-04 03:02:45,271 INFO L226 Difference]: Without dead ends: 446 [2025-03-04 03:02:45,278 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 03:02:45,279 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 03:02:45,280 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 03:02:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-04 03:02:45,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-03-04 03:02:45,343 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 03:02:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2025-03-04 03:02:45,354 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 163 [2025-03-04 03:02:45,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:02:45,356 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2025-03-04 03:02:45,356 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 03:02:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2025-03-04 03:02:45,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-04 03:02:45,359 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:45,359 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 03:02:45,374 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 03:02:45,560 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 03:02:45,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:45,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:45,561 INFO L85 PathProgramCache]: Analyzing trace with hash 243423046, now seen corresponding path program 1 times [2025-03-04 03:02:45,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:45,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919992777] [2025-03-04 03:02:45,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:45,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:02:49,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:49,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:49,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:49,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:50,553 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 03:02:50,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:02:50,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919992777] [2025-03-04 03:02:50,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919992777] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:02:50,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959286380] [2025-03-04 03:02:50,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:50,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:02:50,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:02:50,558 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 03:02:50,559 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 03:02:54,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 03:02:55,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 03:02:55,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:02:55,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:02:55,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 03:02:55,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:02:56,274 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 03:02:56,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:02:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959286380] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:02:56,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:02:56,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 03:02:56,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718074995] [2025-03-04 03:02:56,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:02:56,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:02:56,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:02:56,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:02:56,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 03:02:56,280 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 03:02:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:02:59,652 INFO L93 Difference]: Finished difference Result 843 states and 1217 transitions. [2025-03-04 03:02:59,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:02:59,653 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 03:02:59,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:02:59,662 INFO L225 Difference]: With dead ends: 843 [2025-03-04 03:02:59,663 INFO L226 Difference]: Without dead ends: 448 [2025-03-04 03:02:59,665 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 [2025-03-04 03:02:59,665 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 637 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.0s IncrementalHoareTripleChecker+Time [2025-03-04 03:02:59,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 2202 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-04 03:02:59,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-03-04 03:02:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-03-04 03:02:59,702 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 03:02:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 648 transitions. [2025-03-04 03:02:59,709 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 648 transitions. Word has length 163 [2025-03-04 03:02:59,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:02:59,710 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 648 transitions. [2025-03-04 03:02:59,710 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 03:02:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2025-03-04 03:02:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-04 03:02:59,717 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:02:59,717 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 03:02:59,734 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 03:02:59,917 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 03:02:59,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:02:59,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:02:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2108410886, now seen corresponding path program 1 times [2025-03-04 03:02:59,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:02:59,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057373999] [2025-03-04 03:02:59,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:02:59,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:03,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 03:03:04,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 03:03:04,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:04,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:05,525 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 03:03:05,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:05,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057373999] [2025-03-04 03:03:05,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057373999] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:05,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360592760] [2025-03-04 03:03:05,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:05,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:05,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:05,528 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 03:03:05,531 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 03:03:10,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 03:03:10,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 03:03:10,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:10,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:10,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 4592 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:10,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:12,504 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 03:03:12,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:12,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360592760] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:12,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:12,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-04 03:03:12,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052919869] [2025-03-04 03:03:12,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:12,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 03:03:12,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:12,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 03:03:12,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-04 03:03:12,506 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 03:03:19,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:19,684 INFO L93 Difference]: Finished difference Result 866 states and 1288 transitions. [2025-03-04 03:03:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 03:03:19,685 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 03:03:19,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:19,691 INFO L225 Difference]: With dead ends: 866 [2025-03-04 03:03:19,691 INFO L226 Difference]: Without dead ends: 469 [2025-03-04 03:03:19,694 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 03:03:19,694 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 685 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:19,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 3166 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2025-03-04 03:03:19,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-03-04 03:03:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 467. [2025-03-04 03:03:19,724 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 03:03:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-04 03:03:19,729 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 171 [2025-03-04 03:03:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:19,730 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-04 03:03:19,731 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 03:03:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-04 03:03:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-04 03:03:19,733 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:19,734 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 03:03:19,750 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 03:03:19,934 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 03:03:19,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:19,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash 458677095, now seen corresponding path program 1 times [2025-03-04 03:03:19,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:19,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620247343] [2025-03-04 03:03:19,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:19,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:23,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-04 03:03:23,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-04 03:03:23,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:23,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:25,084 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 03:03:25,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:25,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620247343] [2025-03-04 03:03:25,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620247343] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:25,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487522318] [2025-03-04 03:03:25,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:25,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:25,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:25,087 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 03:03:25,089 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 03:03:29,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-04 03:03:29,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-04 03:03:29,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:29,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:29,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 4719 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 03:03:29,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:31,149 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 03:03:31,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:31,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487522318] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:31,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:31,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-04 03:03:31,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582723413] [2025-03-04 03:03:31,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:31,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:03:31,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:31,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:03:31,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 03:03:31,151 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 03:03:35,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:03:35,944 INFO L93 Difference]: Finished difference Result 889 states and 1347 transitions. [2025-03-04 03:03:35,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:03:35,944 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 03:03:35,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:03:35,949 INFO L225 Difference]: With dead ends: 889 [2025-03-04 03:03:35,949 INFO L226 Difference]: Without dead ends: 473 [2025-03-04 03:03:35,951 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 03:03:35,951 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 653 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:03:35,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 2696 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2025-03-04 03:03:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-03-04 03:03:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2025-03-04 03:03:35,971 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 03:03:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 691 transitions. [2025-03-04 03:03:35,975 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 691 transitions. Word has length 186 [2025-03-04 03:03:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:03:35,976 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 691 transitions. [2025-03-04 03:03:35,976 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 03:03:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 691 transitions. [2025-03-04 03:03:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-04 03:03:35,977 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:03:35,978 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 03:03:35,997 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 03:03:36,178 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 03:03:36,181 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:03:36,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:03:36,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1982746145, now seen corresponding path program 1 times [2025-03-04 03:03:36,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:03:36,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966363182] [2025-03-04 03:03:36,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:36,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:03:39,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 03:03:39,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 03:03:39,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:39,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:41,547 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 03:03:41,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:03:41,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966363182] [2025-03-04 03:03:41,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966363182] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:03:41,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281164437] [2025-03-04 03:03:41,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:03:41,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:03:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:03:41,550 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 03:03:41,550 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 03:03:46,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 03:03:46,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 03:03:46,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:03:46,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:03:46,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 4791 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 03:03:46,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:03:48,740 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 03:03:48,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:03:48,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281164437] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:03:48,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:03:48,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-04 03:03:48,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556322606] [2025-03-04 03:03:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:03:48,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 03:03:48,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:03:48,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 03:03:48,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-04 03:03:48,743 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)