./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e984a9029981b62e4f2c0c4f313850f20633ca16be8aebe99d7cc6e2f39f6fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:12:49,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:12:49,700 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:12:49,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:12:49,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:12:49,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:12:49,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:12:49,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:12:49,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:12:49,729 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:12:49,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:12:49,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:12:49,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:12:49,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:12:49,730 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:12:49,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:12:49,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:12:49,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:12:49,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:12:49,731 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:12:49,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:12:49,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:12:49,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:49,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:12:49,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:12:49,732 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:12:49,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:12:49,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:12:49,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:12:49,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:12:49,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:12:49,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:12:49,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:12:49,733 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e984a9029981b62e4f2c0c4f313850f20633ca16be8aebe99d7cc6e2f39f6fd [2025-03-17 07:12:49,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:12:49,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:12:49,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:12:49,978 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:12:49,978 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:12:49,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-03-17 07:12:51,134 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fc1da9d/e9fdc6fda0fa4d3aa7fc2cb27f5ea68e/FLAG7c6fd2419 [2025-03-17 07:12:51,694 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:12:51,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-03-17 07:12:51,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fc1da9d/e9fdc6fda0fa4d3aa7fc2cb27f5ea68e/FLAG7c6fd2419 [2025-03-17 07:12:51,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fc1da9d/e9fdc6fda0fa4d3aa7fc2cb27f5ea68e [2025-03-17 07:12:51,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:12:51,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:12:51,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:51,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:12:51,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:12:51,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:51" (1/1) ... [2025-03-17 07:12:51,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c9e0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:51, skipping insertion in model container [2025-03-17 07:12:51,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:51" (1/1) ... [2025-03-17 07:12:51,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:12:52,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2025-03-17 07:12:52,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2025-03-17 07:12:52,837 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:52,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,802 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[228146,228159] [2025-03-17 07:12:53,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:53,828 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:12:53,839 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2025-03-17 07:12:53,841 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2025-03-17 07:12:53,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:53,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-17 07:12:54,006 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,042 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[228146,228159] [2025-03-17 07:12:54,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:54,244 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:12:54,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54 WrapperNode [2025-03-17 07:12:54,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:54,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:54,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:12:54,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:12:54,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,375 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 968 [2025-03-17 07:12:54,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:54,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:12:54,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:12:54,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:12:54,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,459 INFO L175 MemorySlicer]: Split 320 memory accesses to 11 slices as follows [238, 2, 5, 13, 39, 6, 2, 3, 3, 4, 5]. 74 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [6, 2, 1, 0, 0, 0, 0, 0, 0, 0, 5]. The 250 writes are split as follows [232, 0, 2, 1, 5, 2, 1, 3, 1, 3, 0]. [2025-03-17 07:12:54,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,503 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:12:54,528 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:12:54,529 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:12:54,529 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:12:54,530 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (1/1) ... [2025-03-17 07:12:54,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:12:54,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:12:54,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:12:54,574 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:12:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:12:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:12:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:12:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:12:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:12:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:12:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:12:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:12:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:12:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:12:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:12:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:12:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:12:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:12:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:12:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:12:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2025-03-17 07:12:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:12:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:12:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:12:54,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:12:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:12:54,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:12:54,903 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:12:54,906 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:12:54,949 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:12:54,983 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume false; [2025-03-17 07:12:54,984 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume !false; [2025-03-17 07:12:55,012 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:12:55,013 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:12:55,099 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9327: havoc #t~ret1201#1; [2025-03-17 07:12:55,140 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:12:55,155 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:12:55,155 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume false; [2025-03-17 07:12:55,155 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume !false; [2025-03-17 07:12:55,198 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:12:55,216 INFO L1322 $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; [2025-03-17 07:12:55,221 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9146: havoc #t~mem1150; [2025-03-17 07:12:55,246 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:12:55,246 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:12:55,246 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:12:55,266 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9123: havoc #t~ret1140; [2025-03-17 07:12:55,281 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:12:55,290 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9773-1: assume false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9773-1: assume !false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume !false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9749-1: assume false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9749-1: assume !false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9784-1: assume false; [2025-03-17 07:13:00,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9784-1: assume !false; [2025-03-17 07:13:00,378 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9779-1: assume false; [2025-03-17 07:13:00,378 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9779-1: assume !false; [2025-03-17 07:13:00,481 INFO L? ?]: Removed 281 outVars from TransFormulas that were not future-live. [2025-03-17 07:13:00,481 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:13:00,502 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:13:00,505 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:13:00,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:00 BoogieIcfgContainer [2025-03-17 07:13:00,506 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:13:00,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:13:00,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:13:00,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:13:00,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:12:51" (1/3) ... [2025-03-17 07:13:00,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a63df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:00, skipping insertion in model container [2025-03-17 07:13:00,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:54" (2/3) ... [2025-03-17 07:13:00,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a63df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:00, skipping insertion in model container [2025-03-17 07:13:00,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:00" (3/3) ... [2025-03-17 07:13:00,515 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness.i [2025-03-17 07:13:00,526 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:13:00,527 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_eq_harness.i that has 25 procedures, 303 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 07:13:00,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:13:00,588 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;@e74b0dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:13:00,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:13:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 195 states have (on average 1.2461538461538462) internal successors, (243), 189 states have internal predecessors, (243), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-03-17 07:13:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-03-17 07:13:00,610 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:00,611 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2025-03-17 07:13:00,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:00,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:00,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1824501958, now seen corresponding path program 1 times [2025-03-17 07:13:00,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:00,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608466179] [2025-03-17 07:13:00,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:00,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:04,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:05,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:05,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:05,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2025-03-17 07:13:05,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:05,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608466179] [2025-03-17 07:13:05,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608466179] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:05,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654696415] [2025-03-17 07:13:05,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:05,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:05,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:05,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:13:10,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:11,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:11,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:11,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:11,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:13:11,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2025-03-17 07:13:11,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:11,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654696415] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:11,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:11,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:13:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779093015] [2025-03-17 07:13:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:11,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:13:11,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:11,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:13:11,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:11,140 INFO L87 Difference]: Start difference. First operand has 303 states, 195 states have (on average 1.2461538461538462) internal successors, (243), 189 states have internal predecessors, (243), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-03-17 07:13:11,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:11,254 INFO L93 Difference]: Finished difference Result 603 states and 911 transitions. [2025-03-17 07:13:11,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:13:11,256 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 292 [2025-03-17 07:13:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:11,265 INFO L225 Difference]: With dead ends: 603 [2025-03-17 07:13:11,265 INFO L226 Difference]: Without dead ends: 299 [2025-03-17 07:13:11,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:11,273 INFO L435 NwaCegarLoop]: 404 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 404 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 [2025-03-17 07:13:11,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 404 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 07:13:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-03-17 07:13:11,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-03-17 07:13:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 185 states have (on average 1.2324324324324325) internal successors, (228), 186 states have internal predecessors, (228), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-17 07:13:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-03-17 07:13:11,348 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 292 [2025-03-17 07:13:11,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:11,349 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-03-17 07:13:11,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-03-17 07:13:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-03-17 07:13:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-03-17 07:13:11,354 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:11,354 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2025-03-17 07:13:11,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:13:11,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:13:11,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:11,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:11,556 INFO L85 PathProgramCache]: Analyzing trace with hash -730967587, now seen corresponding path program 1 times [2025-03-17 07:13:11,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:11,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912947093] [2025-03-17 07:13:11,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:11,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:15,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:15,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:15,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:15,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-17 07:13:16,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:16,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912947093] [2025-03-17 07:13:16,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912947093] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:16,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687665125] [2025-03-17 07:13:16,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:16,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:16,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:16,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:16,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:13:21,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:21,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:21,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:21,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:21,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 07:13:21,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:22,585 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 [2025-03-17 07:13:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-17 07:13:24,641 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:24,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687665125] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:24,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:24,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-03-17 07:13:24,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499186040] [2025-03-17 07:13:24,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:24,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 07:13:24,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:24,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 07:13:24,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2025-03-17 07:13:24,644 INFO L87 Difference]: Start difference. First operand 299 states and 405 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2025-03-17 07:13:40,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:40,192 INFO L93 Difference]: Finished difference Result 671 states and 926 transitions. [2025-03-17 07:13:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 07:13:40,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) Word has length 292 [2025-03-17 07:13:40,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:40,198 INFO L225 Difference]: With dead ends: 671 [2025-03-17 07:13:40,198 INFO L226 Difference]: Without dead ends: 375 [2025-03-17 07:13:40,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2025-03-17 07:13:40,200 INFO L435 NwaCegarLoop]: 435 mSDtfsCounter, 395 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:40,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 3189 Invalid, 1372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2025-03-17 07:13:40,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-03-17 07:13:40,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2025-03-17 07:13:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 232 states have (on average 1.2155172413793103) internal successors, (282), 234 states have internal predecessors, (282), 103 states have call successors, (103), 35 states have call predecessors, (103), 35 states have return successors, (119), 101 states have call predecessors, (119), 102 states have call successors, (119) [2025-03-17 07:13:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 504 transitions. [2025-03-17 07:13:40,249 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 504 transitions. Word has length 292 [2025-03-17 07:13:40,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:40,250 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 504 transitions. [2025-03-17 07:13:40,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 9 states have internal predecessors, (92), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2025-03-17 07:13:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 504 transitions. [2025-03-17 07:13:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-03-17 07:13:40,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:40,256 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2025-03-17 07:13:40,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:13:40,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 07:13:40,457 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:40,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:40,458 INFO L85 PathProgramCache]: Analyzing trace with hash 822119774, now seen corresponding path program 1 times [2025-03-17 07:13:40,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:40,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931389928] [2025-03-17 07:13:40,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:44,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:44,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:44,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:44,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-17 07:13:45,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:45,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931389928] [2025-03-17 07:13:45,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931389928] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:45,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567247382] [2025-03-17 07:13:45,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:45,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:45,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:45,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:13:49,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:50,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:50,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:50,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:50,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:13:50,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-17 07:13:50,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:50,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567247382] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:50,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:50,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:13:50,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936002498] [2025-03-17 07:13:50,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:50,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:50,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:50,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:50,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:13:50,933 INFO L87 Difference]: Start difference. First operand 371 states and 504 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-17 07:13:51,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:51,751 INFO L93 Difference]: Finished difference Result 677 states and 949 transitions. [2025-03-17 07:13:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:51,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 292 [2025-03-17 07:13:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:51,755 INFO L225 Difference]: With dead ends: 677 [2025-03-17 07:13:51,755 INFO L226 Difference]: Without dead ends: 376 [2025-03-17 07:13:51,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:13:51,757 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 58 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:51,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1090 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 07:13:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2025-03-17 07:13:51,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2025-03-17 07:13:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 235 states have (on average 1.2127659574468086) internal successors, (285), 238 states have internal predecessors, (285), 104 states have call successors, (104), 35 states have call predecessors, (104), 36 states have return successors, (135), 102 states have call predecessors, (135), 103 states have call successors, (135) [2025-03-17 07:13:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 524 transitions. [2025-03-17 07:13:51,792 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 524 transitions. Word has length 292 [2025-03-17 07:13:51,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:51,792 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 524 transitions. [2025-03-17 07:13:51,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-17 07:13:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 524 transitions. [2025-03-17 07:13:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2025-03-17 07:13:51,795 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:51,795 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2025-03-17 07:13:51,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:13:51,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:51,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:51,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash -69114072, now seen corresponding path program 1 times [2025-03-17 07:13:51,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:51,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101210632] [2025-03-17 07:13:51,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:51,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:55,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-03-17 07:13:55,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-03-17 07:13:55,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:55,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-17 07:13:56,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:56,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101210632] [2025-03-17 07:13:56,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101210632] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:56,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155121470] [2025-03-17 07:13:56,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:56,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:56,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:56,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:56,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:14:01,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 298 statements into 1 equivalence classes. [2025-03-17 07:14:01,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 298 of 298 statements. [2025-03-17 07:14:01,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:01,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:01,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 5327 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 07:14:01,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:02,770 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 [2025-03-17 07:14:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-17 07:14:05,592 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:05,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155121470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:05,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:05,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2025-03-17 07:14:05,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482058395] [2025-03-17 07:14:05,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:05,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 07:14:05,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:05,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 07:14:05,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2025-03-17 07:14:05,594 INFO L87 Difference]: Start difference. First operand 376 states and 524 transitions. Second operand has 13 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 5 states have call successors, (44), 3 states have call predecessors, (44), 6 states have return successors, (43), 6 states have call predecessors, (43), 5 states have call successors, (43) [2025-03-17 07:14:09,657 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 []