./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.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 8f8d49a5761bf3d84140233b4dcef84d471a160de32d47830642b1223a2a4e54 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:18:48,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:18:48,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:18:48,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:18:48,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:18:48,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:18:48,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:18:48,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:18:48,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:18:48,911 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:18:48,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:18:48,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:18:48,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:18:48,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:18:48,912 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:18:48,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:18:48,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:18:48,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:18:48,913 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:48,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:48,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:48,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:18:48,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:18:48,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:18:48,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:18:48,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:18:48,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:18:48,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:18:48,915 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 -> 8f8d49a5761bf3d84140233b4dcef84d471a160de32d47830642b1223a2a4e54 [2025-01-09 17:18:49,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:18:49,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:18:49,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:18:49,117 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:18:49,117 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:18:49,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2025-01-09 17:18:50,243 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd908b0d3/4f73dc0cacea408fbe650020c70e7b9f/FLAGc3324dfcb [2025-01-09 17:18:50,829 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:18:50,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2025-01-09 17:18:50,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd908b0d3/4f73dc0cacea408fbe650020c70e7b9f/FLAGc3324dfcb [2025-01-09 17:18:51,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fd908b0d3/4f73dc0cacea408fbe650020c70e7b9f [2025-01-09 17:18:51,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:18:51,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:18:51,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:51,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:18:51,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:18:51,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:51" (1/1) ... [2025-01-09 17:18:51,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cae652c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:51, skipping insertion in model container [2025-01-09 17:18:51,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:18:51" (1/1) ... [2025-01-09 17:18:51,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:18:51,678 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_table_move_harness.i[4493,4506] [2025-01-09 17:18:51,686 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_table_move_harness.i[4553,4566] [2025-01-09 17:18:52,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:52,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,467 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_table_move_harness.i[227509,227522] [2025-01-09 17:18:53,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:53,486 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:18:53,493 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_table_move_harness.i[4493,4506] [2025-01-09 17:18:53,494 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_table_move_harness.i[4553,4566] [2025-01-09 17:18:53,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-01-09 17:18:53,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:18:53,651 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_table_move_harness.i[227509,227522] [2025-01-09 17:18:53,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:18:53,826 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:18:53,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53 WrapperNode [2025-01-09 17:18:53,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:18:53,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:53,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:18:53,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:18:53,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,912 INFO L138 Inliner]: procedures = 763, calls = 2427, calls flagged for inlining = 70, calls inlined = 12, statements flattened = 620 [2025-01-09 17:18:53,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:18:53,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:18:53,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:18:53,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:18:53,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,967 INFO L175 MemorySlicer]: Split 281 memory accesses to 8 slices as follows [2, 238, 6, 17, 2, 8, 3, 5]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 5]. The 240 writes are split as follows [0, 232, 2, 1, 1, 3, 1, 0]. [2025-01-09 17:18:53,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,986 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:53,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:54,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:54,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:54,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:18:54,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:18:54,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:18:54,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:18:54,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (1/1) ... [2025-01-09 17:18:54,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:18:54,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:18:54,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:18:54,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:18:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:18:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:18:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:18:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:18:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:18:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:18:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:18:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:18:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:18:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:18:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 17:18:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 17:18:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:18:54,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:18:54,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:18:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:18:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-01-09 17:18:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-01-09 17:18:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:18:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:18:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:18:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:18:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:18:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-01-09 17:18:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-01-09 17:18:54,332 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:18:54,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:19:00,121 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2025-01-09 17:19:00,121 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:19:00,131 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:19:00,131 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:19:00,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:19:00 BoogieIcfgContainer [2025-01-09 17:19:00,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:19:00,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:19:00,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:19:00,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:19:00,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:18:51" (1/3) ... [2025-01-09 17:19:00,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a8af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:19:00, skipping insertion in model container [2025-01-09 17:19:00,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:18:53" (2/3) ... [2025-01-09 17:19:00,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a8af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:19:00, skipping insertion in model container [2025-01-09 17:19:00,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:19:00" (3/3) ... [2025-01-09 17:19:00,140 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness.i [2025-01-09 17:19:00,153 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:19:00,154 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_move_harness.i that has 22 procedures, 160 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-01-09 17:19:00,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:19:00,211 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;@3bd9ef08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:19:00,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:19:00,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 85 states have (on average 1.188235294117647) internal successors, (101), 85 states have internal predecessors, (101), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-09 17:19:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-09 17:19:00,224 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:00,224 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:00,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:00,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash -231411020, now seen corresponding path program 1 times [2025-01-09 17:19:00,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:00,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682347929] [2025-01-09 17:19:00,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:00,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:04,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-09 17:19:05,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-09 17:19:05,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:05,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-09 17:19:05,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:05,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682347929] [2025-01-09 17:19:05,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682347929] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:05,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36749834] [2025-01-09 17:19:05,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:05,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:05,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:05,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:19:05,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:19:09,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-09 17:19:10,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-09 17:19:10,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:10,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:10,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 4416 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:19:10,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-09 17:19:10,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36749834] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:10,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:10,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:19:10,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159405479] [2025-01-09 17:19:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:10,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:19:10,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:10,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:19:10,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:19:10,272 INFO L87 Difference]: Start difference. First operand has 132 states, 85 states have (on average 1.188235294117647) internal successors, (101), 85 states have internal predecessors, (101), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 17:19:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:10,291 INFO L93 Difference]: Finished difference Result 256 states and 343 transitions. [2025-01-09 17:19:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:19:10,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2025-01-09 17:19:10,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:10,296 INFO L225 Difference]: With dead ends: 256 [2025-01-09 17:19:10,299 INFO L226 Difference]: Without dead ends: 126 [2025-01-09 17:19:10,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:19:10,303 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:10,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:19:10,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-01-09 17:19:10,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-01-09 17:19:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 80 states have internal predecessors, (91), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-09 17:19:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 154 transitions. [2025-01-09 17:19:10,338 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 154 transitions. Word has length 141 [2025-01-09 17:19:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:10,339 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 154 transitions. [2025-01-09 17:19:10,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 17:19:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 154 transitions. [2025-01-09 17:19:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-01-09 17:19:10,343 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:10,344 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:10,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 17:19:10,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:19:10,548 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:10,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:10,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1445385488, now seen corresponding path program 1 times [2025-01-09 17:19:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:10,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150944420] [2025-01-09 17:19:10,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:14,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-09 17:19:14,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-09 17:19:14,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:14,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2025-01-09 17:19:15,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:15,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150944420] [2025-01-09 17:19:15,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150944420] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:15,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867621301] [2025-01-09 17:19:15,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:15,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:15,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:19:15,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 17:19:19,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-09 17:19:19,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-09 17:19:19,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:19,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:19,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 4441 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:19:19,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-01-09 17:19:19,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867621301] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:19,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-01-09 17:19:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106248355] [2025-01-09 17:19:19,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:19:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:19,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:19:19,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:19:19,945 INFO L87 Difference]: Start difference. First operand 126 states and 154 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 17:19:20,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:20,131 INFO L93 Difference]: Finished difference Result 245 states and 300 transitions. [2025-01-09 17:19:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:19:20,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2025-01-09 17:19:20,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:20,138 INFO L225 Difference]: With dead ends: 245 [2025-01-09 17:19:20,139 INFO L226 Difference]: Without dead ends: 131 [2025-01-09 17:19:20,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:19:20,140 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:20,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 600 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:19:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-01-09 17:19:20,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-01-09 17:19:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 83 states have (on average 1.144578313253012) internal successors, (95), 84 states have internal predecessors, (95), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2025-01-09 17:19:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2025-01-09 17:19:20,157 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 147 [2025-01-09 17:19:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:20,158 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2025-01-09 17:19:20,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 17:19:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2025-01-09 17:19:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 17:19:20,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:20,160 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:20,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 17:19:20,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:20,364 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:20,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1303266352, now seen corresponding path program 1 times [2025-01-09 17:19:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:20,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726798716] [2025-01-09 17:19:20,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:20,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:24,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 17:19:24,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 17:19:24,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:24,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 17:19:27,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:27,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726798716] [2025-01-09 17:19:27,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726798716] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:27,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013214546] [2025-01-09 17:19:27,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:27,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:27,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:27,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:19:27,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:19:31,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 17:19:31,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 17:19:31,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:31,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:31,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-01-09 17:19:32,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:19:33,328 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 [2025-01-09 17:19:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-09 17:19:40,255 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:19:40,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013214546] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:19:40,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:19:40,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2025-01-09 17:19:40,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076190776] [2025-01-09 17:19:40,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:19:40,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 17:19:40,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:19:40,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 17:19:40,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:19:40,260 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-01-09 17:19:47,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:51,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-09 17:19:52,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:19:52,723 INFO L93 Difference]: Finished difference Result 333 states and 400 transitions. [2025-01-09 17:19:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 17:19:52,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) Word has length 159 [2025-01-09 17:19:52,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:19:52,727 INFO L225 Difference]: With dead ends: 333 [2025-01-09 17:19:52,728 INFO L226 Difference]: Without dead ends: 226 [2025-01-09 17:19:52,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 137 SyntacticMatches, 14 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2025-01-09 17:19:52,732 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 77 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:19:52,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1501 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 389 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2025-01-09 17:19:52,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-01-09 17:19:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 221. [2025-01-09 17:19:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 149 states have internal predecessors, (170), 45 states have call successors, (45), 25 states have call predecessors, (45), 29 states have return successors, (48), 46 states have call predecessors, (48), 43 states have call successors, (48) [2025-01-09 17:19:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 263 transitions. [2025-01-09 17:19:52,748 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 263 transitions. Word has length 159 [2025-01-09 17:19:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:19:52,749 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 263 transitions. [2025-01-09 17:19:52,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 6 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (25), 7 states have call predecessors, (25), 6 states have call successors, (25) [2025-01-09 17:19:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 263 transitions. [2025-01-09 17:19:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 17:19:52,751 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:19:52,751 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:19:52,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 17:19:52,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:52,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:19:52,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:19:52,953 INFO L85 PathProgramCache]: Analyzing trace with hash -630166768, now seen corresponding path program 1 times [2025-01-09 17:19:52,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:19:52,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795062666] [2025-01-09 17:19:52,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:19:56,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 17:19:56,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 17:19:56,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:19:56,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:19:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 17:19:57,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:19:57,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795062666] [2025-01-09 17:19:57,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795062666] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:19:57,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638289429] [2025-01-09 17:19:57,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:19:57,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:19:57,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:19:57,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:19:57,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:20:01,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 17:20:02,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 17:20:02,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:02,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:02,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 4439 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 17:20:02,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:20:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-09 17:20:02,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:20:02,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638289429] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:20:02,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:20:02,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:20:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419918683] [2025-01-09 17:20:02,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:20:02,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:20:02,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:20:02,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:20:02,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:20:02,946 INFO L87 Difference]: Start difference. First operand 221 states and 263 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-01-09 17:20:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:20:04,089 INFO L93 Difference]: Finished difference Result 386 states and 467 transitions. [2025-01-09 17:20:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:20:04,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 159 [2025-01-09 17:20:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:20:04,091 INFO L225 Difference]: With dead ends: 386 [2025-01-09 17:20:04,094 INFO L226 Difference]: Without dead ends: 233 [2025-01-09 17:20:04,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:20:04,096 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 151 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:20:04,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 358 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-09 17:20:04,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-01-09 17:20:04,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 226. [2025-01-09 17:20:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 149 states have (on average 1.1610738255033557) internal successors, (173), 153 states have internal predecessors, (173), 46 states have call successors, (46), 25 states have call predecessors, (46), 30 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2025-01-09 17:20:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 271 transitions. [2025-01-09 17:20:04,138 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 271 transitions. Word has length 159 [2025-01-09 17:20:04,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:20:04,138 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 271 transitions. [2025-01-09 17:20:04,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2025-01-09 17:20:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 271 transitions. [2025-01-09 17:20:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-01-09 17:20:04,144 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:20:04,145 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:20:04,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 17:20:04,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:20:04,345 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:20:04,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:20:04,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1140468897, now seen corresponding path program 1 times [2025-01-09 17:20:04,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:20:04,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014826469] [2025-01-09 17:20:04,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:20:07,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-01-09 17:20:07,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-01-09 17:20:07,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:07,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-01-09 17:20:10,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:20:10,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014826469] [2025-01-09 17:20:10,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014826469] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:20:10,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919901751] [2025-01-09 17:20:10,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:10,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:20:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:20:10,041 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) [2025-01-09 17:20:10,042 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 [2025-01-09 17:20:14,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-01-09 17:20:14,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-01-09 17:20:14,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:14,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:14,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 4468 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 17:20:14,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:20:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-01-09 17:20:16,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:20:16,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919901751] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:20:16,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:20:16,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-01-09 17:20:16,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763355020] [2025-01-09 17:20:16,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:20:16,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:20:16,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:20:16,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:20:16,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:20:16,265 INFO L87 Difference]: Start difference. First operand 226 states and 271 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2025-01-09 17:20:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:20:17,803 INFO L93 Difference]: Finished difference Result 335 states and 404 transitions. [2025-01-09 17:20:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:20:17,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 165 [2025-01-09 17:20:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:20:17,805 INFO L225 Difference]: With dead ends: 335 [2025-01-09 17:20:17,805 INFO L226 Difference]: Without dead ends: 233 [2025-01-09 17:20:17,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:20:17,806 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 148 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:20:17,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 486 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 17:20:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2025-01-09 17:20:17,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 223. [2025-01-09 17:20:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 147 states have (on average 1.163265306122449) internal successors, (171), 150 states have internal predecessors, (171), 46 states have call successors, (46), 25 states have call predecessors, (46), 29 states have return successors, (49), 47 states have call predecessors, (49), 44 states have call successors, (49) [2025-01-09 17:20:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 266 transitions. [2025-01-09 17:20:17,818 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 266 transitions. Word has length 165 [2025-01-09 17:20:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:20:17,818 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 266 transitions. [2025-01-09 17:20:17,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2025-01-09 17:20:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 266 transitions. [2025-01-09 17:20:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-01-09 17:20:17,819 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:20:17,819 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 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] [2025-01-09 17:20:17,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 17:20:18,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:20:18,020 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:20:18,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:20:18,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1297341776, now seen corresponding path program 1 times [2025-01-09 17:20:18,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:20:18,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013496616] [2025-01-09 17:20:18,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:18,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:20:21,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-01-09 17:20:21,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-01-09 17:20:21,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:20:21,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:20:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-01-09 17:20:23,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:20:23,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013496616] [2025-01-09 17:20:23,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013496616] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:20:23,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169902478] [2025-01-09 17:20:23,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:20:23,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:20:23,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:20:23,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:20:23,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process