./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_hash_iter_begin_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 c3fefd4a3fa45c7535dc41b0ccf3bb4989a6d3f39e95f31dc5e87197d363f726 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:47:13,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:47:13,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:47:13,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:47:13,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:47:13,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:47:13,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:47:13,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:47:13,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:47:13,178 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:47:13,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:47:13,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:47:13,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:47:13,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:47:13,180 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:47:13,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:47:13,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:47:13,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:47:13,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:13,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:47:13,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:47:13,182 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:47:13,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:47:13,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:47:13,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:47:13,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:47:13,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:47:13,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:47:13,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:47:13,183 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 -> c3fefd4a3fa45c7535dc41b0ccf3bb4989a6d3f39e95f31dc5e87197d363f726 [2025-02-08 01:47:13,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:47:13,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:47:13,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:47:13,425 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:47:13,425 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:47:13,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness_negated.i [2025-02-08 01:47:14,503 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c15f6b7f/76bea87118d94d9ebc13aab787f1b426/FLAGc9dcdef9b [2025-02-08 01:47:15,007 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:47:15,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness_negated.i [2025-02-08 01:47:15,052 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c15f6b7f/76bea87118d94d9ebc13aab787f1b426/FLAGc9dcdef9b [2025-02-08 01:47:15,096 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c15f6b7f/76bea87118d94d9ebc13aab787f1b426 [2025-02-08 01:47:15,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:47:15,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:47:15,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:15,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:47:15,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:47:15,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:15" (1/1) ... [2025-02-08 01:47:15,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddeb986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:15, skipping insertion in model container [2025-02-08 01:47:15,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:15" (1/1) ... [2025-02-08 01:47:15,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:47:15,396 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_hash_iter_begin_harness_negated.i[4493,4506] [2025-02-08 01:47:15,403 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_hash_iter_begin_harness_negated.i[4553,4566] [2025-02-08 01:47:16,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,728 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_hash_iter_begin_harness_negated.i[227849,227862] [2025-02-08 01:47:16,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:16,750 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:47:16,762 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_hash_iter_begin_harness_negated.i[4493,4506] [2025-02-08 01:47:16,763 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_hash_iter_begin_harness_negated.i[4553,4566] [2025-02-08 01:47:16,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-08 01:47:16,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:16,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:17,023 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_hash_iter_begin_harness_negated.i[227849,227862] [2025-02-08 01:47:17,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:17,206 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:47:17,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17 WrapperNode [2025-02-08 01:47:17,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:17,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:17,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:47:17,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:47:17,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,336 INFO L138 Inliner]: procedures = 763, calls = 2441, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 623 [2025-02-08 01:47:17,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:17,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:47:17,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:47:17,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:47:17,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,415 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 247, 3, 51, 6, 2, 23, 5]. 73 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 6, 0, 9, 0, 0, 0, 5]. The 249 writes are split as follows [0, 233, 1, 11, 2, 1, 1, 0]. [2025-02-08 01:47:17,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:47:17,469 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:47:17,473 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:47:17,473 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:47:17,474 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (1/1) ... [2025-02-08 01:47:17,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:17,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:17,508 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) [2025-02-08 01:47:17,514 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 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:47:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:47:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:47:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:47:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:47:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:47:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:47:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-02-08 01:47:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 01:47:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-08 01:47:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-08 01:47:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:47:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:47:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-08 01:47:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:47:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:47:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:47:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:47:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:47:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:47:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:47:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:47:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:47:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:47:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:47:17,900 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:47:17,905 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:47:17,967 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:47:17,994 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:47:17,996 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:47:18,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-2: havoc #t~mem1400.base, #t~mem1400.offset;havoc #t~mem1401.base, #t~mem1401.offset;havoc #t~mem1402.base, #t~mem1402.offset;havoc #t~mem1403;havoc #t~mem1404;havoc #t~mem1405;havoc #t~mem1406;havoc #t~mem1407.base, #t~mem1407.offset;havoc #t~mem1408.base, #t~mem1408.offset; [2025-02-08 01:47:18,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume false; [2025-02-08 01:47:18,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume !false; [2025-02-08 01:47:18,217 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:47:18,294 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-08 01:47:18,321 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:47:18,331 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:47:23,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret633#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#4(save_byte_from_array_#t~ret633#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret633#1;call save_byte_from_array_#t~mem634#1 := read~int#4(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:47:23,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#4(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem636#1 := read~int#6(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#4(save_byte_from_array_#t~mem636#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem635#1;havoc save_byte_from_array_#t~mem636#1; [2025-02-08 01:47:23,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem634#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:47:23,516 INFO L? ?]: Removed 177 outVars from TransFormulas that were not future-live. [2025-02-08 01:47:23,516 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:47:23,531 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:47:23,533 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:47:23,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:23 BoogieIcfgContainer [2025-02-08 01:47:23,534 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:47:23,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:47:23,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:47:23,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:47:23,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:47:15" (1/3) ... [2025-02-08 01:47:23,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4012e826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:23, skipping insertion in model container [2025-02-08 01:47:23,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:17" (2/3) ... [2025-02-08 01:47:23,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4012e826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:23, skipping insertion in model container [2025-02-08 01:47:23,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:23" (3/3) ... [2025-02-08 01:47:23,540 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness_negated.i [2025-02-08 01:47:23,550 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:47:23,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_begin_harness_negated.i that has 25 procedures, 195 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-02-08 01:47:23,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:47:23,602 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;@5187f497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:47:23,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:47:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 110 states have internal predecessors, (138), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 01:47:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-08 01:47:23,617 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:23,617 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2025-02-08 01:47:23,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:23,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash -777947810, now seen corresponding path program 1 times [2025-02-08 01:47:23,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:23,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472613244] [2025-02-08 01:47:23,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:23,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:28,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-08 01:47:28,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-08 01:47:28,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:28,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-02-08 01:47:29,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472613244] [2025-02-08 01:47:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472613244] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:29,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738786459] [2025-02-08 01:47:29,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:29,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:29,685 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) [2025-02-08 01:47:29,687 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 [2025-02-08 01:47:34,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-08 01:47:34,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-08 01:47:34,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:34,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:34,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 4541 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:47:34,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:47:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-02-08 01:47:34,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:47:34,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738786459] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:47:34,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:47:34,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2025-02-08 01:47:34,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866410614] [2025-02-08 01:47:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:47:34,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:47:34,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:47:34,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:47:34,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:47:34,865 INFO L87 Difference]: Start difference. First operand has 167 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 110 states have internal predecessors, (138), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-08 01:47:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:47:34,907 INFO L93 Difference]: Finished difference Result 326 states and 452 transitions. [2025-02-08 01:47:34,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:47:34,913 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 144 [2025-02-08 01:47:34,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:47:34,921 INFO L225 Difference]: With dead ends: 326 [2025-02-08 01:47:34,922 INFO L226 Difference]: Without dead ends: 153 [2025-02-08 01:47:34,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:47:34,926 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:47:34,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:47:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2025-02-08 01:47:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2025-02-08 01:47:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-08 01:47:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 195 transitions. [2025-02-08 01:47:34,955 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 195 transitions. Word has length 144 [2025-02-08 01:47:34,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:47:34,956 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 195 transitions. [2025-02-08 01:47:34,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-02-08 01:47:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 195 transitions. [2025-02-08 01:47:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-08 01:47:34,959 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:34,959 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2025-02-08 01:47:34,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:47:35,160 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 [2025-02-08 01:47:35,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:35,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash -368674700, now seen corresponding path program 1 times [2025-02-08 01:47:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934493363] [2025-02-08 01:47:35,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:39,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-08 01:47:39,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 01:47:39,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:39,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-02-08 01:47:39,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:39,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934493363] [2025-02-08 01:47:39,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934493363] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:39,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519415588] [2025-02-08 01:47:39,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:39,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:39,845 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) [2025-02-08 01:47:39,851 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 [2025-02-08 01:47:44,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-08 01:47:44,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 01:47:44,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:44,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:44,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:47:44,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:47:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-02-08 01:47:48,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:47:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2025-02-08 01:47:51,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519415588] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:51,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-08 01:47:51,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 8] total 15 [2025-02-08 01:47:51,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831659974] [2025-02-08 01:47:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:47:51,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:47:51,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:47:51,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:47:51,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:47:51,772 INFO L87 Difference]: Start difference. First operand 153 states and 195 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-08 01:47:54,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:47:54,492 INFO L93 Difference]: Finished difference Result 231 states and 300 transitions. [2025-02-08 01:47:54,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:47:54,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 151 [2025-02-08 01:47:54,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:47:54,495 INFO L225 Difference]: With dead ends: 231 [2025-02-08 01:47:54,495 INFO L226 Difference]: Without dead ends: 161 [2025-02-08 01:47:54,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2025-02-08 01:47:54,496 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 197 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-08 01:47:54,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 784 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-08 01:47:54,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-02-08 01:47:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2025-02-08 01:47:54,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.23) internal successors, (123), 102 states have internal predecessors, (123), 37 states have call successors, (37), 16 states have call predecessors, (37), 17 states have return successors, (37), 36 states have call predecessors, (37), 36 states have call successors, (37) [2025-02-08 01:47:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 197 transitions. [2025-02-08 01:47:54,508 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 197 transitions. Word has length 151 [2025-02-08 01:47:54,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:47:54,508 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 197 transitions. [2025-02-08 01:47:54,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-08 01:47:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 197 transitions. [2025-02-08 01:47:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-02-08 01:47:54,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:54,510 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2025-02-08 01:47:54,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:47:54,711 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 [2025-02-08 01:47:54,711 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:54,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash -459589998, now seen corresponding path program 1 times [2025-02-08 01:47:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:54,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174664828] [2025-02-08 01:47:54,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:58,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-02-08 01:47:58,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-02-08 01:47:58,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:58,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-02-08 01:47:59,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:59,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174664828] [2025-02-08 01:47:59,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174664828] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:59,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626072126] [2025-02-08 01:47:59,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:59,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:59,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:59,093 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) [2025-02-08 01:47:59,094 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 [2025-02-08 01:48:03,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-02-08 01:48:03,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-02-08 01:48:03,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:03,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:03,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 4572 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:48:03,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-02-08 01:48:03,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:48:03,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626072126] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:48:03,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:48:03,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-02-08 01:48:03,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679081508] [2025-02-08 01:48:03,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:03,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:48:03,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:03,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:48:03,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:48:03,946 INFO L87 Difference]: Start difference. First operand 155 states and 197 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:48:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:04,053 INFO L93 Difference]: Finished difference Result 299 states and 381 transitions. [2025-02-08 01:48:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:48:04,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2025-02-08 01:48:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:04,056 INFO L225 Difference]: With dead ends: 299 [2025-02-08 01:48:04,056 INFO L226 Difference]: Without dead ends: 155 [2025-02-08 01:48:04,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 01:48:04,057 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:04,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 570 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:48:04,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-08 01:48:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-02-08 01:48:04,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.22) internal successors, (122), 102 states have internal predecessors, (122), 37 states have call successors, (37), 16 states have call predecessors, (37), 17 states have return successors, (37), 36 states have call predecessors, (37), 36 states have call successors, (37) [2025-02-08 01:48:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 196 transitions. [2025-02-08 01:48:04,067 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 196 transitions. Word has length 152 [2025-02-08 01:48:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:04,067 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 196 transitions. [2025-02-08 01:48:04,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:48:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2025-02-08 01:48:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 01:48:04,069 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:04,069 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:04,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:48:04,270 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 [2025-02-08 01:48:04,270 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:04,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:04,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1394068528, now seen corresponding path program 1 times [2025-02-08 01:48:04,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:04,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647411966] [2025-02-08 01:48:04,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:08,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:08,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:08,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:08,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-02-08 01:48:11,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:11,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647411966] [2025-02-08 01:48:11,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647411966] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:11,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338487819] [2025-02-08 01:48:11,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:11,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:11,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:11,246 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) [2025-02-08 01:48:11,247 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 [2025-02-08 01:48:15,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:15,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:15,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:15,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:16,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 4760 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:48:16,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 01:48:16,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:48:16,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338487819] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:48:16,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:48:16,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2025-02-08 01:48:16,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105732552] [2025-02-08 01:48:16,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:16,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 01:48:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:16,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 01:48:16,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:48:16,435 INFO L87 Difference]: Start difference. First operand 155 states and 196 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2025-02-08 01:48:16,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:16,518 INFO L93 Difference]: Finished difference Result 299 states and 379 transitions. [2025-02-08 01:48:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 01:48:16,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 174 [2025-02-08 01:48:16,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:16,521 INFO L225 Difference]: With dead ends: 299 [2025-02-08 01:48:16,521 INFO L226 Difference]: Without dead ends: 155 [2025-02-08 01:48:16,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:48:16,522 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:16,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 567 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:48:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-08 01:48:16,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-02-08 01:48:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.21) internal successors, (121), 102 states have internal predecessors, (121), 37 states have call successors, (37), 16 states have call predecessors, (37), 17 states have return successors, (37), 36 states have call predecessors, (37), 36 states have call successors, (37) [2025-02-08 01:48:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 195 transitions. [2025-02-08 01:48:16,538 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 195 transitions. Word has length 174 [2025-02-08 01:48:16,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:16,538 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 195 transitions. [2025-02-08 01:48:16,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2025-02-08 01:48:16,538 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 195 transitions. [2025-02-08 01:48:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 01:48:16,543 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:16,543 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:16,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:48:16,743 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 [2025-02-08 01:48:16,744 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:16,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:16,744 INFO L85 PathProgramCache]: Analyzing trace with hash -70382388, now seen corresponding path program 1 times [2025-02-08 01:48:16,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:16,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690974664] [2025-02-08 01:48:16,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:16,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:20,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:20,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:20,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:20,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-02-08 01:48:23,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:23,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690974664] [2025-02-08 01:48:23,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690974664] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:23,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676291874] [2025-02-08 01:48:23,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:23,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:23,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:23,393 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:48:23,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 01:48:27,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:28,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:28,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:28,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:28,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 4762 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-02-08 01:48:28,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:29,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-08 01:48:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 01:48:35,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:48:35,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676291874] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:48:35,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:48:35,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2025-02-08 01:48:35,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944564933] [2025-02-08 01:48:35,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:35,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 01:48:35,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:35,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 01:48:35,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2025-02-08 01:48:35,788 INFO L87 Difference]: Start difference. First operand 155 states and 195 transitions. Second operand has 13 states, 12 states have (on average 8.25) internal successors, (99), 11 states have internal predecessors, (99), 6 states have call successors, (30), 4 states have call predecessors, (30), 5 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-02-08 01:48:39,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 01:48:44,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-08 01:48:48,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]