./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_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 c8b8f2658d38f1d4b62f5a688e80bc5ee30c846710ec78d96c7425bfc1b2b470 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:49:05,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:49:05,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:49:05,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:49:05,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:49:05,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:49:05,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:49:05,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:49:05,922 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:49:05,922 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:49:05,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:49:05,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:49:05,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:49:05,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:49:05,924 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:49:05,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:49:05,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:49:05,925 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:49:05,925 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:49:05,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:49:05,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:49:05,926 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 -> c8b8f2658d38f1d4b62f5a688e80bc5ee30c846710ec78d96c7425bfc1b2b470 [2025-02-08 01:49:06,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:49:06,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:49:06,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:49:06,230 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:49:06,231 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:49:06,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2025-02-08 01:49:07,735 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6db8c75d6/e5e51dfd5f55403896cc340579d0fbaf/FLAG9e5ecb46b [2025-02-08 01:49:08,306 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:49:08,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2025-02-08 01:49:08,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6db8c75d6/e5e51dfd5f55403896cc340579d0fbaf/FLAG9e5ecb46b [2025-02-08 01:49:08,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6db8c75d6/e5e51dfd5f55403896cc340579d0fbaf [2025-02-08 01:49:08,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:49:08,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:49:08,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:49:08,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:49:08,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:49:08,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:49:08" (1/1) ... [2025-02-08 01:49:08,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a842e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:08, skipping insertion in model container [2025-02-08 01:49:08,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:49:08" (1/1) ... [2025-02-08 01:49:08,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:49:08,791 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_find_harness.i[4493,4506] [2025-02-08 01:49:08,800 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_find_harness.i[4553,4566] [2025-02-08 01:49:09,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:09,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,793 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,859 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_find_harness.i[228012,228025] [2025-02-08 01:49:10,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:49:10,899 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:49:10,915 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_find_harness.i[4493,4506] [2025-02-08 01:49:10,916 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_find_harness.i[4553,4566] [2025-02-08 01:49:10,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,959 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,959 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,960 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:10,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-02-08 01:49:11,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:49:11,228 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_find_harness.i[228012,228025] [2025-02-08 01:49:11,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:49:11,426 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:49:11,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11 WrapperNode [2025-02-08 01:49:11,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:49:11,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:49:11,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:49:11,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:49:11,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,631 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-02-08 01:49:11,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:49:11,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:49:11,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:49:11,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:49:11,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,744 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 2, 1, 3, 9, 6, 4, 3, 2, 36, 5, 6]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0]. The 249 writes are split as follows [232, 0, 1, 3, 1, 2, 3, 1, 1, 3, 0, 2]. [2025-02-08 01:49:11,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:49:11,829 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:49:11,831 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:49:11,831 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:49:11,833 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (1/1) ... [2025-02-08 01:49:11,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:49:11,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:11,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:49:11,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:49:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:49:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:49:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:49:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:49:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-08 01:49:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:49:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:49:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:49:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:49:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:49:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-08 01:49:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-08 01:49:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-08 01:49:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:49:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:49:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:49:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:49:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:49:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:49:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:49:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:49:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:49:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:49:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:49:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-08 01:49:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-08 01:49:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-08 01:49:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:49:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-08 01:49:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-08 01:49:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-08 01:49:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:49:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:49:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:49:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-08 01:49:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:49:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:49:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:49:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:49:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:49:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:49:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:49:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:49:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-02-08 01:49:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:49:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-08 01:49:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-02-08 01:49:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:49:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-08 01:49:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:49:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:49:12,340 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:49:12,342 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:49:12,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:49:12,453 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume false; [2025-02-08 01:49:12,453 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume !false; [2025-02-08 01:49:12,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:49:12,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:49:12,656 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9327: havoc #t~ret1201#1; [2025-02-08 01:49:12,693 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume false; [2025-02-08 01:49:12,693 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume !false; [2025-02-08 01:49:12,732 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-08 01:49:12,732 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume false; [2025-02-08 01:49:12,732 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume !false; [2025-02-08 01:49:12,796 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:49:12,829 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-08 01:49:12,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #res#1 := #t~funptrres1553#1;havoc #t~funptrres1553#1;havoc #t~ret1554#1;havoc #t~ret1555#1; [2025-02-08 01:49:12,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1;#t~ret1555#1 := uninterpreted_equals_assert_inputs_nonnull_#res#1;havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1, uninterpreted_equals_assert_inputs_nonnull_~a#1.base, uninterpreted_equals_assert_inputs_nonnull_~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_~b#1.base, uninterpreted_equals_assert_inputs_nonnull_~b#1.offset;havoc uninterpreted_equals_assert_inputs_nonnull_#in~a#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~a#1.offset, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.base, uninterpreted_equals_assert_inputs_nonnull_#in~b#1.offset;assume { :end_inline_uninterpreted_equals_assert_inputs_nonnull } true;#t~funptrres1553#1 := #t~ret1555#1; [2025-02-08 01:49:12,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1;#t~ret1554#1 := nondet_compare_#res#1;havoc nondet_compare_#t~ret677#1, nondet_compare_~a#1.base, nondet_compare_~a#1.offset, nondet_compare_~b#1.base, nondet_compare_~b#1.offset;havoc nondet_compare_#in~a#1.base, nondet_compare_#in~a#1.offset, nondet_compare_#in~b#1.base, nondet_compare_#in~b#1.offset;assume { :end_inline_nondet_compare } true;assume -2147483648 <= #t~ret1554#1 && #t~ret1554#1 <= 2147483647;#t~funptrres1553#1 := #t~ret1554#1; [2025-02-08 01:49:12,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ##fun~$Pointer$~X~$Pointer$~TO~intFINAL: assume true; [2025-02-08 01:49:12,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1;nondet_compare_#t~ret677#1 := nondet_int_#res#1;havoc nondet_int_#t~nondet5#1;assume { :end_inline_nondet_int } true;assume -2147483648 <= nondet_compare_#t~ret677#1 && nondet_compare_#t~ret677#1 <= 2147483647;nondet_compare_#res#1 := nondet_compare_#t~ret677#1;havoc nondet_compare_#t~ret677#1; [2025-02-08 01:49:12,866 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9123: havoc #t~ret1140; [2025-02-08 01:49:12,900 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:49:12,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:49:18,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret633#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#5(save_byte_from_array_#t~ret633#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret633#1;call save_byte_from_array_#t~mem634#1 := read~int#5(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:49:18,289 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-02-08 01:49:18,289 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7198: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#5(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem636#1 := read~int#9(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#5(save_byte_from_array_#t~mem636#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem635#1;havoc save_byte_from_array_#t~mem636#1; [2025-02-08 01:49:18,289 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-08 01:49:18,290 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7198-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem634#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:49:18,429 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2025-02-08 01:49:18,429 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:49:18,459 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:49:18,459 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:49:18,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:18 BoogieIcfgContainer [2025-02-08 01:49:18,460 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:49:18,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:49:18,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:49:18,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:49:18,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:49:08" (1/3) ... [2025-02-08 01:49:18,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459a31d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:18, skipping insertion in model container [2025-02-08 01:49:18,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:11" (2/3) ... [2025-02-08 01:49:18,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459a31d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:18, skipping insertion in model container [2025-02-08 01:49:18,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:18" (3/3) ... [2025-02-08 01:49:18,473 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness.i [2025-02-08 01:49:18,488 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:49:18,489 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness.i that has 23 procedures, 252 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-08 01:49:18,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:49:18,566 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;@d0fe767, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:49:18,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:49:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 156 states have (on average 1.2820512820512822) internal successors, (200), 161 states have internal predecessors, (200), 67 states have call successors, (67), 22 states have call predecessors, (67), 21 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2025-02-08 01:49:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:49:18,591 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:18,592 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:18,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:18,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:18,599 INFO L85 PathProgramCache]: Analyzing trace with hash -290567138, now seen corresponding path program 1 times [2025-02-08 01:49:18,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:18,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821127962] [2025-02-08 01:49:18,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:18,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:23,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:24,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:24,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:24,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2025-02-08 01:49:24,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:24,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821127962] [2025-02-08 01:49:24,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821127962] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:24,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330963590] [2025-02-08 01:49:24,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:24,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:24,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:24,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:24,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:49:29,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:30,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:30,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:30,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:30,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:49:30,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2025-02-08 01:49:30,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:49:30,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330963590] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:49:30,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:49:30,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:49:30,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074427635] [2025-02-08 01:49:30,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:30,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:49:30,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:30,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:49:30,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:49:30,654 INFO L87 Difference]: Start difference. First operand has 251 states, 156 states have (on average 1.2820512820512822) internal successors, (200), 161 states have internal predecessors, (200), 67 states have call successors, (67), 22 states have call predecessors, (67), 21 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-08 01:49:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:30,759 INFO L93 Difference]: Finished difference Result 495 states and 707 transitions. [2025-02-08 01:49:30,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:49:30,762 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2025-02-08 01:49:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:30,775 INFO L225 Difference]: With dead ends: 495 [2025-02-08 01:49:30,775 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 01:49:30,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:49:30,787 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:30,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:49:30,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 01:49:30,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2025-02-08 01:49:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 146 states have (on average 1.2328767123287672) internal successors, (180), 149 states have internal predecessors, (180), 64 states have call successors, (64), 21 states have call predecessors, (64), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-08 01:49:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 304 transitions. [2025-02-08 01:49:30,858 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 304 transitions. Word has length 178 [2025-02-08 01:49:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:30,860 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 304 transitions. [2025-02-08 01:49:30,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-02-08 01:49:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 304 transitions. [2025-02-08 01:49:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-08 01:49:30,867 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:30,867 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:30,889 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 [2025-02-08 01:49:31,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:49:31,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:31,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:31,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1945861438, now seen corresponding path program 1 times [2025-02-08 01:49:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:31,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668222819] [2025-02-08 01:49:31,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:35,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:35,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:35,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:35,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-02-08 01:49:36,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:36,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668222819] [2025-02-08 01:49:36,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668222819] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:36,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704003096] [2025-02-08 01:49:36,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:36,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:36,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:36,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:36,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:49:41,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-02-08 01:49:42,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-02-08 01:49:42,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:42,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:42,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 01:49:42,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-02-08 01:49:43,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:49:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2025-02-08 01:49:45,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704003096] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:45,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-08 01:49:45,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 8] total 12 [2025-02-08 01:49:45,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092021320] [2025-02-08 01:49:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:49:45,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:49:45,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:49:45,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:49:45,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:49:45,905 INFO L87 Difference]: Start difference. First operand 231 states and 304 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-08 01:49:46,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:49:46,513 INFO L93 Difference]: Finished difference Result 237 states and 309 transitions. [2025-02-08 01:49:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:49:46,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2025-02-08 01:49:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:49:46,517 INFO L225 Difference]: With dead ends: 237 [2025-02-08 01:49:46,517 INFO L226 Difference]: Without dead ends: 235 [2025-02-08 01:49:46,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:49:46,519 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 4 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:49:46,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1171 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 01:49:46,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-02-08 01:49:46,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2025-02-08 01:49:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 64 states have call successors, (64), 22 states have call predecessors, (64), 21 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-08 01:49:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 307 transitions. [2025-02-08 01:49:46,539 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 307 transitions. Word has length 178 [2025-02-08 01:49:46,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:49:46,540 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 307 transitions. [2025-02-08 01:49:46,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-02-08 01:49:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 307 transitions. [2025-02-08 01:49:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-02-08 01:49:46,543 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:49:46,543 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:49:46,562 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 [2025-02-08 01:49:46,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:46,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:49:46,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:49:46,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1379618730, now seen corresponding path program 1 times [2025-02-08 01:49:46,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:49:46,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55011716] [2025-02-08 01:49:46,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:46,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:49:50,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-02-08 01:49:50,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-02-08 01:49:50,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:50,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-02-08 01:49:51,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:49:51,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55011716] [2025-02-08 01:49:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55011716] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:49:51,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953472897] [2025-02-08 01:49:51,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:49:51,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:49:51,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:49:51,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:49:51,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 01:49:56,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-02-08 01:49:57,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-02-08 01:49:57,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:49:57,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:49:57,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 4683 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 01:49:57,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:58,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-08 01:50:05,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-02-08 01:50:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-08 01:50:07,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:50:07,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953472897] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:50:07,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:50:07,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4] total 16 [2025-02-08 01:50:07,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582336736] [2025-02-08 01:50:07,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:50:07,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 01:50:07,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:50:07,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 01:50:07,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2025-02-08 01:50:07,021 INFO L87 Difference]: Start difference. First operand 235 states and 307 transitions. Second operand has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 11 states have internal predecessors, (82), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2025-02-08 01:50:11,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:50:15,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:50:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:50:27,886 INFO L93 Difference]: Finished difference Result 436 states and 561 transitions. [2025-02-08 01:50:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 01:50:27,887 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 11 states have internal predecessors, (82), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 191 [2025-02-08 01:50:27,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:50:27,892 INFO L225 Difference]: With dead ends: 436 [2025-02-08 01:50:27,892 INFO L226 Difference]: Without dead ends: 280 [2025-02-08 01:50:27,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 153 SyntacticMatches, 27 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2025-02-08 01:50:27,894 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 220 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 42 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:50:27,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 2917 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 758 Invalid, 2 Unknown, 0 Unchecked, 19.4s Time] [2025-02-08 01:50:27,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-02-08 01:50:27,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 278. [2025-02-08 01:50:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 179 states have (on average 1.2122905027932962) internal successors, (217), 183 states have internal predecessors, (217), 68 states have call successors, (68), 30 states have call predecessors, (68), 30 states have return successors, (67), 64 states have call predecessors, (67), 64 states have call successors, (67) [2025-02-08 01:50:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 352 transitions. [2025-02-08 01:50:27,926 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 352 transitions. Word has length 191 [2025-02-08 01:50:27,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:50:27,927 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 352 transitions. [2025-02-08 01:50:27,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 11 states have internal predecessors, (82), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2025-02-08 01:50:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 352 transitions. [2025-02-08 01:50:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2025-02-08 01:50:27,930 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:50:27,931 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:50:27,952 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 [2025-02-08 01:50:28,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:28,131 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:50:28,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:50:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash 118144076, now seen corresponding path program 1 times [2025-02-08 01:50:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:50:28,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755297226] [2025-02-08 01:50:28,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:50:31,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-02-08 01:50:31,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-02-08 01:50:31,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:50:31,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:50:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2025-02-08 01:50:33,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:50:33,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755297226] [2025-02-08 01:50:33,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755297226] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:50:33,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180407377] [2025-02-08 01:50:33,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:50:33,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:50:33,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:50:33,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:50:33,021 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