./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_remove_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 a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:55:55,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:55:55,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:55:55,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:55:55,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:55:55,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:55:55,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:55:55,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:55:55,932 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:55:55,932 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:55:55,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:55:55,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:55:55,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:55:55,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:55:55,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:55:55,934 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:55:55,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:55:55,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:55:55,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:55:55,935 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 -> a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 [2025-03-04 02:55:56,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:55:56,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:55:56,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:55:56,152 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:55:56,152 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:55:56,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-03-04 02:55:57,414 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe681c6b/a99f79f12faa413380cd3f32e1b608da/FLAG3f3dcc519 [2025-03-04 02:55:57,985 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:55:57,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-03-04 02:55:58,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe681c6b/a99f79f12faa413380cd3f32e1b608da/FLAG3f3dcc519 [2025-03-04 02:55:58,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe681c6b/a99f79f12faa413380cd3f32e1b608da [2025-03-04 02:55:58,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:55:58,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:55:58,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:55:58,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:55:58,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:55:58,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:55:58" (1/1) ... [2025-03-04 02:55:58,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774c9f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:55:58, skipping insertion in model container [2025-03-04 02:55:58,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:55:58" (1/1) ... [2025-03-04 02:55:58,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:55:58,370 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_remove_harness.i[4495,4508] [2025-03-04 02:55:58,378 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_remove_harness.i[4555,4568] [2025-03-04 02:55:59,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,074 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,087 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,089 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,761 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_remove_harness.i[229734,229747] [2025-03-04 02:55:59,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:55:59,787 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:55:59,796 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_remove_harness.i[4495,4508] [2025-03-04 02:55:59,796 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_remove_harness.i[4555,4568] [2025-03-04 02:55:59,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:55:59,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-03-04 02:56:00,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:00,049 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_remove_harness.i[229734,229747] [2025-03-04 02:56:00,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:56:00,217 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:56:00,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00 WrapperNode [2025-03-04 02:56:00,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:56:00,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:56:00,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:56:00,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:56:00,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,337 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-03-04 02:56:00,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:56:00,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:56:00,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:56:00,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:56:00,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,436 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [2, 7, 2, 15, 4, 1, 3, 14, 2, 243, 72, 3]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 10, 0, 11, 0, 0]. The 256 writes are split as follows [0, 3, 1, 1, 2, 1, 3, 0, 1, 232, 10, 2]. [2025-03-04 02:56:00,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:56:00,530 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:56:00,530 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:56:00,530 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:56:00,531 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:56:00,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:00,559 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) [2025-03-04 02:56:00,562 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 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:56:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:56:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-04 02:56:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-04 02:56:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-04 02:56:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-04 02:56:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-04 02:56:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:56:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:56:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:56:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:56:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:56:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:56:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:56:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:56:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:56:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:56:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:56:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:56:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:56:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:56:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:56:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-04 02:56:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:56:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-04 02:56:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-04 02:56:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-04 02:56:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-04 02:56:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:56:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 02:56:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:56:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:56:00,951 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:56:00,952 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:56:00,983 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:56:01,017 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-03-04 02:56:01,018 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-03-04 02:56:01,042 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:56:01,045 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:56:01,151 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-03-04 02:56:01,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-03-04 02:56:01,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-03-04 02:56:01,231 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume false; [2025-03-04 02:56:01,231 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume !false; [2025-03-04 02:56:01,248 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-03-04 02:56:01,249 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-03-04 02:56:01,249 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-04 02:56:01,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:56:01,300 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc #t~ret690.base, #t~ret690.offset; [2025-03-04 02:56:01,323 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-04 02:56:01,326 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:56:01,369 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:56:01,370 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:56:01,370 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 02:56:01,377 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-03-04 02:56:01,392 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:56:01,401 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:56:06,464 INFO L1325 $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; [2025-03-04 02:56:06,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume false; [2025-03-04 02:56:06,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume !false; [2025-03-04 02:56:06,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-04 02:56:06,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume false; [2025-03-04 02:56:06,465 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume !false; [2025-03-04 02:56:06,558 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2025-03-04 02:56:06,558 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:56:06,587 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:56:06,590 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:56:06,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:06 BoogieIcfgContainer [2025-03-04 02:56:06,591 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:56:06,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:56:06,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:56:06,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:56:06,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:55:58" (1/3) ... [2025-03-04 02:56:06,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ade1b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:06, skipping insertion in model container [2025-03-04 02:56:06,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00" (2/3) ... [2025-03-04 02:56:06,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ade1b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:06, skipping insertion in model container [2025-03-04 02:56:06,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:06" (3/3) ... [2025-03-04 02:56:06,601 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2025-03-04 02:56:06,611 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:56:06,612 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness.i that has 28 procedures, 336 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-04 02:56:06,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:56:06,670 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;@181027bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:56:06,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:56:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-04 02:56:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-04 02:56:06,683 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:06,684 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:56:06,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:06,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash 982292415, now seen corresponding path program 1 times [2025-03-04 02:56:06,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:06,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507893117] [2025-03-04 02:56:06,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:06,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:11,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 02:56:11,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 02:56:11,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:11,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-04 02:56:12,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:12,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507893117] [2025-03-04 02:56:12,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507893117] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:12,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759808041] [2025-03-04 02:56:12,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:12,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:12,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:12,040 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) [2025-03-04 02:56:12,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:56:16,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 02:56:17,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 02:56:17,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:17,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:17,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 4563 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:56:17,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-03-04 02:56:17,098 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:17,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759808041] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:17,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:17,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:56:17,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022357018] [2025-03-04 02:56:17,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:17,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:56:17,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:17,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:56:17,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:56:17,123 INFO L87 Difference]: Start difference. First operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 02:56:17,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:17,235 INFO L93 Difference]: Finished difference Result 666 states and 976 transitions. [2025-03-04 02:56:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:56:17,237 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2025-03-04 02:56:17,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:17,245 INFO L225 Difference]: With dead ends: 666 [2025-03-04 02:56:17,245 INFO L226 Difference]: Without dead ends: 328 [2025-03-04 02:56:17,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:56:17,253 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 02:56:17,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 438 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 02:56:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-04 02:56:17,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2025-03-04 02:56:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 213 states have (on average 1.2347417840375587) internal successors, (263), 215 states have internal predecessors, (263), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-04 02:56:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 435 transitions. [2025-03-04 02:56:17,297 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 435 transitions. Word has length 182 [2025-03-04 02:56:17,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:17,298 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 435 transitions. [2025-03-04 02:56:17,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 02:56:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2025-03-04 02:56:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-04 02:56:17,301 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:17,301 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:56:17,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 02:56:17,501 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 [2025-03-04 02:56:17,502 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:17,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:17,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1274443454, now seen corresponding path program 1 times [2025-03-04 02:56:17,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:17,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266354031] [2025-03-04 02:56:17,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:17,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:21,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 02:56:21,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 02:56:21,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:21,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-04 02:56:22,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:22,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266354031] [2025-03-04 02:56:22,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266354031] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:22,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 02:56:22,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 02:56:22,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090365812] [2025-03-04 02:56:22,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:22,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:56:22,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:22,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:56:22,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:56:22,558 INFO L87 Difference]: Start difference. First operand 328 states and 435 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 02:56:22,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:22,966 INFO L93 Difference]: Finished difference Result 619 states and 825 transitions. [2025-03-04 02:56:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:56:22,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 182 [2025-03-04 02:56:22,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:22,971 INFO L225 Difference]: With dead ends: 619 [2025-03-04 02:56:22,971 INFO L226 Difference]: Without dead ends: 333 [2025-03-04 02:56:22,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:56:22,976 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 02:56:22,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1700 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 02:56:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2025-03-04 02:56:22,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2025-03-04 02:56:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 217 states have (on average 1.2304147465437787) internal successors, (267), 219 states have internal predecessors, (267), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-04 02:56:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 440 transitions. [2025-03-04 02:56:22,999 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 440 transitions. Word has length 182 [2025-03-04 02:56:23,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:23,000 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 440 transitions. [2025-03-04 02:56:23,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-04 02:56:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 440 transitions. [2025-03-04 02:56:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-04 02:56:23,006 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:23,006 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:56:23,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 02:56:23,007 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:23,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1728227807, now seen corresponding path program 1 times [2025-03-04 02:56:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:23,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464541464] [2025-03-04 02:56:23,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:23,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:26,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 02:56:26,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 02:56:26,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:26,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-04 02:56:30,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:30,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464541464] [2025-03-04 02:56:30,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464541464] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:30,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674606784] [2025-03-04 02:56:30,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:30,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:30,694 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) [2025-03-04 02:56:30,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:56:35,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 02:56:35,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 02:56:35,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:35,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:35,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-04 02:56:35,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-03-04 02:56:37,305 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 02:56:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-04 02:56:39,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674606784] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:39,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 02:56:39,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 18 [2025-03-04 02:56:39,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764984040] [2025-03-04 02:56:39,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:39,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:56:39,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:39,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:56:39,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-03-04 02:56:39,645 INFO L87 Difference]: Start difference. First operand 333 states and 440 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-03-04 02:56:40,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:40,390 INFO L93 Difference]: Finished difference Result 339 states and 445 transitions. [2025-03-04 02:56:40,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:56:40,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188 [2025-03-04 02:56:40,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:40,394 INFO L225 Difference]: With dead ends: 339 [2025-03-04 02:56:40,394 INFO L226 Difference]: Without dead ends: 337 [2025-03-04 02:56:40,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2025-03-04 02:56:40,395 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 4 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 02:56:40,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1684 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 02:56:40,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-04 02:56:40,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2025-03-04 02:56:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 220 states have (on average 1.2272727272727273) internal successors, (270), 222 states have internal predecessors, (270), 87 states have call successors, (87), 28 states have call predecessors, (87), 29 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-04 02:56:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 443 transitions. [2025-03-04 02:56:40,411 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 443 transitions. Word has length 188 [2025-03-04 02:56:40,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:40,412 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 443 transitions. [2025-03-04 02:56:40,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-03-04 02:56:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2025-03-04 02:56:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-04 02:56:40,414 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:40,414 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:56:40,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 02:56:40,615 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,SelfDestructingSolverStorable2 [2025-03-04 02:56:40,615 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:40,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash -27542872, now seen corresponding path program 1 times [2025-03-04 02:56:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718507589] [2025-03-04 02:56:40,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:44,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-04 02:56:44,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 02:56:44,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:44,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-04 02:56:47,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:47,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718507589] [2025-03-04 02:56:47,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718507589] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:47,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340713911] [2025-03-04 02:56:47,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:47,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:47,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:47,856 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) [2025-03-04 02:56:47,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:56:52,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-04 02:56:52,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 02:56:52,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:52,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:52,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 4601 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-04 02:56:52,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:53,185 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 [2025-03-04 02:56:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-03-04 02:56:54,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:54,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340713911] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:54,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:54,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2025-03-04 02:56:54,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501053152] [2025-03-04 02:56:54,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:54,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 02:56:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:54,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 02:56:54,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-03-04 02:56:54,756 INFO L87 Difference]: Start difference. First operand 337 states and 443 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-04 02:57:04,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:57:04,988 INFO L93 Difference]: Finished difference Result 644 states and 857 transitions. [2025-03-04 02:57:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 02:57:04,989 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 201 [2025-03-04 02:57:04,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:57:04,993 INFO L225 Difference]: With dead ends: 644 [2025-03-04 02:57:04,993 INFO L226 Difference]: Without dead ends: 368 [2025-03-04 02:57:04,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-03-04 02:57:04,994 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 403 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2025-03-04 02:57:04,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 2427 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2025-03-04 02:57:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-04 02:57:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 358. [2025-03-04 02:57:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 237 states have (on average 1.2236286919831223) internal successors, (290), 240 states have internal predecessors, (290), 87 states have call successors, (87), 31 states have call predecessors, (87), 33 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2025-03-04 02:57:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 466 transitions. [2025-03-04 02:57:05,024 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 466 transitions. Word has length 201 [2025-03-04 02:57:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:57:05,024 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 466 transitions. [2025-03-04 02:57:05,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 9 states have internal predecessors, (87), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-04 02:57:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 466 transitions. [2025-03-04 02:57:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-04 02:57:05,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:57:05,028 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:57:05,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 02:57:05,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:05,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:57:05,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:57:05,229 INFO L85 PathProgramCache]: Analyzing trace with hash 739969318, now seen corresponding path program 1 times [2025-03-04 02:57:05,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:57:05,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285176202] [2025-03-04 02:57:05,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:05,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:57:09,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-04 02:57:09,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 02:57:09,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:09,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-04 02:57:10,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:57:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285176202] [2025-03-04 02:57:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285176202] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:57:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007993614] [2025-03-04 02:57:10,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:10,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:10,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:57:10,256 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) [2025-03-04 02:57:10,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:57:14,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-04 02:57:15,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 02:57:15,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:15,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:15,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 4591 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 02:57:15,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:57:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-03-04 02:57:16,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:57:16,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007993614] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:57:16,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:57:16,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:57:16,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541062445] [2025-03-04 02:57:16,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:57:16,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:57:16,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:57:16,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:57:16,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:57:16,142 INFO L87 Difference]: Start difference. First operand 358 states and 466 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2025-03-04 02:57:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:57:18,136 INFO L93 Difference]: Finished difference Result 644 states and 855 transitions. [2025-03-04 02:57:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 02:57:18,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 201 [2025-03-04 02:57:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:57:18,139 INFO L225 Difference]: With dead ends: 644 [2025-03-04 02:57:18,139 INFO L226 Difference]: Without dead ends: 363 [2025-03-04 02:57:18,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:57:18,141 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 446 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-04 02:57:18,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1086 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-04 02:57:18,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-03-04 02:57:18,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 360. [2025-03-04 02:57:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 238 states have (on average 1.2226890756302522) internal successors, (291), 241 states have internal predecessors, (291), 88 states have call successors, (88), 31 states have call predecessors, (88), 33 states have return successors, (90), 87 states have call predecessors, (90), 86 states have call successors, (90) [2025-03-04 02:57:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 469 transitions. [2025-03-04 02:57:18,162 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 469 transitions. Word has length 201 [2025-03-04 02:57:18,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:57:18,162 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 469 transitions. [2025-03-04 02:57:18,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2025-03-04 02:57:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 469 transitions. [2025-03-04 02:57:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-03-04 02:57:18,165 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:57:18,165 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:57:18,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 02:57:18,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:18,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:57:18,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:57:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1700352248, now seen corresponding path program 1 times [2025-03-04 02:57:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:57:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275651873] [2025-03-04 02:57:18,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:18,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:57:22,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-04 02:57:22,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-04 02:57:22,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:22,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2025-03-04 02:57:24,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:57:24,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275651873] [2025-03-04 02:57:24,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275651873] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:57:24,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420881317] [2025-03-04 02:57:24,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:24,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:24,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:57:24,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:57:24,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process