./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:25:59,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:25:59,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:25:59,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:25:59,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:25:59,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:25:59,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:25:59,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:25:59,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:25:59,936 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:25:59,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:25:59,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:25:59,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:25:59,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:25:59,938 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:25:59,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:25:59,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:25:59,939 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:25:59,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:25:59,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:25:59,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:25:59,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:25:59,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:59,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:25:59,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:25:59,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:25:59,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:25:59,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:59,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:25:59,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:25:59,943 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-jdk21/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 -> 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 [2025-01-09 17:26:00,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:26:00,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:26:00,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:26:00,247 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:26:00,248 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:26:00,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2025-01-09 17:26:01,577 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c17f00cd/142c98ddf1f244a49d93c978ef4d3c33/FLAG1a170930f [2025-01-09 17:26:02,087 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:26:02,087 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2025-01-09 17:26:02,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c17f00cd/142c98ddf1f244a49d93c978ef4d3c33/FLAG1a170930f [2025-01-09 17:26:02,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c17f00cd/142c98ddf1f244a49d93c978ef4d3c33 [2025-01-09 17:26:02,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:26:02,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:26:02,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:02,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:26:02,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:26:02,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:02" (1/1) ... [2025-01-09 17:26:02,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb40f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:02, skipping insertion in model container [2025-01-09 17:26:02,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:26:02" (1/1) ... [2025-01-09 17:26:02,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:26:02,546 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2025-01-09 17:26:02,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2025-01-09 17:26:03,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,565 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:03,717 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:26:03,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2025-01-09 17:26:03,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2025-01-09 17:26:03,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,909 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-01-09 17:26:03,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:03,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:04,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:04,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:04,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:26:04,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:26:04,223 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:26:04,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04 WrapperNode [2025-01-09 17:26:04,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:26:04,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:04,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:26:04,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:26:04,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,376 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1192 [2025-01-09 17:26:04,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:26:04,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:26:04,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:26:04,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:26:04,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,500 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [2, 238, 24, 9, 105, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 6, 5, 1, 0, 2]. The 268 writes are split as follows [0, 232, 8, 1, 26, 1]. [2025-01-09 17:26:04,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:26:04,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:26:04,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:26:04,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:26:04,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (1/1) ... [2025-01-09 17:26:04,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:26:04,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:04,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:26:04,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:26:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:26:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:26:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-01-09 17:26:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-01-09 17:26:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:26:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:26:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:26:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:26:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:26:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:26:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:26:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:26:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:26:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:26:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:26:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:26:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:26:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:26:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:26:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:26:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:26:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-01-09 17:26:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-01-09 17:26:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:26:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:26:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:26:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:26:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:26:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:26:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:26:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:26:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:26:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:26:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:26:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-01-09 17:26:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:26:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:26:05,146 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:26:05,150 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:26:12,762 INFO L? ?]: Removed 321 outVars from TransFormulas that were not future-live. [2025-01-09 17:26:12,763 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:26:12,797 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:26:12,802 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:26:12,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:12 BoogieIcfgContainer [2025-01-09 17:26:12,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:26:12,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:26:12,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:26:12,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:26:12,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:26:02" (1/3) ... [2025-01-09 17:26:12,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125f7f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:12, skipping insertion in model container [2025-01-09 17:26:12,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:26:04" (2/3) ... [2025-01-09 17:26:12,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125f7f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:12, skipping insertion in model container [2025-01-09 17:26:12,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:12" (3/3) ... [2025-01-09 17:26:12,814 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness_negated.i [2025-01-09 17:26:12,828 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:26:12,830 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness_negated.i that has 39 procedures, 569 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-01-09 17:26:12,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:26:12,918 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;@140599e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:26:12,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:26:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 553 states, 315 states have (on average 1.234920634920635) internal successors, (389), 318 states have internal predecessors, (389), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2025-01-09 17:26:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-01-09 17:26:12,948 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:12,949 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2025-01-09 17:26:12,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:12,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:12,955 INFO L85 PathProgramCache]: Analyzing trace with hash -955638280, now seen corresponding path program 1 times [2025-01-09 17:26:12,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:12,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756777875] [2025-01-09 17:26:12,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:18,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:18,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:18,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:18,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-01-09 17:26:19,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:19,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756777875] [2025-01-09 17:26:19,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756777875] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:19,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492716475] [2025-01-09 17:26:19,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:19,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:19,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:19,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:19,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:26:24,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:24,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:24,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:24,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:24,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 4661 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:26:24,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-01-09 17:26:24,872 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:24,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492716475] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:24,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:24,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:26:24,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71564757] [2025-01-09 17:26:24,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:24,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:26:24,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:24,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:26:24,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:24,899 INFO L87 Difference]: Start difference. First operand has 553 states, 315 states have (on average 1.234920634920635) internal successors, (389), 318 states have internal predecessors, (389), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 17:26:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:24,996 INFO L93 Difference]: Finished difference Result 1078 states and 1668 transitions. [2025-01-09 17:26:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:26:24,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2025-01-09 17:26:25,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:25,014 INFO L225 Difference]: With dead ends: 1078 [2025-01-09 17:26:25,014 INFO L226 Difference]: Without dead ends: 546 [2025-01-09 17:26:25,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:25,025 INFO L435 NwaCegarLoop]: 786 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, 786 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 [2025-01-09 17:26:25,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:26:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2025-01-09 17:26:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2025-01-09 17:26:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 309 states have (on average 1.226537216828479) internal successors, (379), 311 states have internal predecessors, (379), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2025-01-09 17:26:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 781 transitions. [2025-01-09 17:26:25,147 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 781 transitions. Word has length 197 [2025-01-09 17:26:25,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:25,148 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 781 transitions. [2025-01-09 17:26:25,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 17:26:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 781 transitions. [2025-01-09 17:26:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-01-09 17:26:25,156 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:25,156 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2025-01-09 17:26:25,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:26:25,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:26:25,357 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1483935866, now seen corresponding path program 1 times [2025-01-09 17:26:25,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332987239] [2025-01-09 17:26:25,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:29,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:29,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:29,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:29,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2025-01-09 17:26:31,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332987239] [2025-01-09 17:26:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332987239] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253248728] [2025-01-09 17:26:31,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:31,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:31,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:31,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:26:35,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:35,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:35,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:35,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:35,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 4661 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:26:35,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-01-09 17:26:37,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:37,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253248728] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:37,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:37,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:26:37,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728090632] [2025-01-09 17:26:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:37,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:26:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:37,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:26:37,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:26:37,053 INFO L87 Difference]: Start difference. First operand 546 states and 781 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 17:26:40,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:40,765 INFO L93 Difference]: Finished difference Result 1046 states and 1510 transitions. [2025-01-09 17:26:40,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:26:40,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2025-01-09 17:26:40,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:40,774 INFO L225 Difference]: With dead ends: 1046 [2025-01-09 17:26:40,774 INFO L226 Difference]: Without dead ends: 548 [2025-01-09 17:26:40,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:26:40,778 INFO L435 NwaCegarLoop]: 704 mSDtfsCounter, 791 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:40,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 2729 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-01-09 17:26:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-01-09 17:26:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2025-01-09 17:26:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 310 states have (on average 1.2258064516129032) internal successors, (380), 313 states have internal predecessors, (380), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2025-01-09 17:26:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 792 transitions. [2025-01-09 17:26:40,820 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 792 transitions. Word has length 197 [2025-01-09 17:26:40,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:40,821 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 792 transitions. [2025-01-09 17:26:40,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 17:26:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 792 transitions. [2025-01-09 17:26:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-01-09 17:26:40,824 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:40,825 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 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] [2025-01-09 17:26:40,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 17:26:41,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:41,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:41,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1498861906, now seen corresponding path program 1 times [2025-01-09 17:26:41,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:41,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947953128] [2025-01-09 17:26:41,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:45,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 17:26:45,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 17:26:45,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:45,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-01-09 17:26:47,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947953128] [2025-01-09 17:26:47,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947953128] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475951854] [2025-01-09 17:26:47,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:47,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:47,502 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:26:47,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:26:51,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 17:26:52,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 17:26:52,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:52,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:52,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 4711 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:26:52,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:54,074 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-01-09 17:26:54,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:54,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475951854] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:54,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:54,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:26:54,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600747994] [2025-01-09 17:26:54,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:54,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:26:54,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:54,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:26:54,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:26:54,077 INFO L87 Difference]: Start difference. First operand 548 states and 792 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-01-09 17:27:02,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:02,294 INFO L93 Difference]: Finished difference Result 1069 states and 1590 transitions. [2025-01-09 17:27:02,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:27:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2025-01-09 17:27:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:02,302 INFO L225 Difference]: With dead ends: 1069 [2025-01-09 17:27:02,302 INFO L226 Difference]: Without dead ends: 569 [2025-01-09 17:27:02,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:27:02,308 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 822 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:02,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 3955 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2025-01-09 17:27:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-01-09 17:27:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 567. [2025-01-09 17:27:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 326 states have (on average 1.2331288343558282) internal successors, (402), 329 states have internal predecessors, (402), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-01-09 17:27:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 850 transitions. [2025-01-09 17:27:02,357 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 850 transitions. Word has length 205 [2025-01-09 17:27:02,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:02,358 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 850 transitions. [2025-01-09 17:27:02,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-01-09 17:27:02,358 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 850 transitions. [2025-01-09 17:27:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-01-09 17:27:02,361 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:02,361 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:02,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:27:02,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:02,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:02,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:02,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1468096396, now seen corresponding path program 1 times [2025-01-09 17:27:02,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:02,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379899026] [2025-01-09 17:27:02,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:06,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-09 17:27:06,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-09 17:27:06,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:06,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2025-01-09 17:27:08,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:08,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379899026] [2025-01-09 17:27:08,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379899026] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:08,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608163904] [2025-01-09 17:27:08,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:08,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:08,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:08,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:27:08,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:27:12,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-09 17:27:13,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-09 17:27:13,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:13,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:13,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:13,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-01-09 17:27:14,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:14,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608163904] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:14,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:14,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-01-09 17:27:14,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038281413] [2025-01-09 17:27:14,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:14,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:27:14,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:14,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:27:14,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:27:14,847 INFO L87 Difference]: Start difference. First operand 567 states and 850 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-01-09 17:27:20,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:20,128 INFO L93 Difference]: Finished difference Result 1092 states and 1661 transitions. [2025-01-09 17:27:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:27:20,129 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2025-01-09 17:27:20,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:20,134 INFO L225 Difference]: With dead ends: 1092 [2025-01-09 17:27:20,135 INFO L226 Difference]: Without dead ends: 573 [2025-01-09 17:27:20,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:27:20,139 INFO L435 NwaCegarLoop]: 696 mSDtfsCounter, 807 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:20,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 3365 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 17:27:20,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2025-01-09 17:27:20,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2025-01-09 17:27:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 326 states have (on average 1.2331288343558282) internal successors, (402), 329 states have internal predecessors, (402), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-01-09 17:27:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 850 transitions. [2025-01-09 17:27:20,172 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 850 transitions. Word has length 220 [2025-01-09 17:27:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:20,173 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 850 transitions. [2025-01-09 17:27:20,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-01-09 17:27:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 850 transitions. [2025-01-09 17:27:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-01-09 17:27:20,175 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:20,175 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:27:20,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 17:27:20,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:20,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:20,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1550859203, now seen corresponding path program 1 times [2025-01-09 17:27:20,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:20,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365481051] [2025-01-09 17:27:20,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:24,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-01-09 17:27:24,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-01-09 17:27:24,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:24,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat