./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_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 421f397ecb374fcc22201279d98969d7d1e8c35a1593d9d42549f7d3b356eac0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:10:59,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:10:59,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:10:59,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:10:59,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:10:59,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:10:59,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:10:59,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:10:59,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:10:59,998 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:10:59,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:10:59,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:10:59,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:10:59,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:10:59,999 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:10:59,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:11:00,000 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:11:00,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:11:00,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:11:00,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:11:00,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:11:00,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:11:00,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:11:00,001 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:11:00,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:11:00,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:11:00,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:11:00,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:11:00,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:11:00,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:11:00,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:11:00,002 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 -> 421f397ecb374fcc22201279d98969d7d1e8c35a1593d9d42549f7d3b356eac0 [2025-03-17 07:11:00,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:11:00,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:11:00,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:11:00,222 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:11:00,222 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:11:00,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2025-03-17 07:11:01,372 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29dadb3b0/759ab5484ed14f409c7ee4a6f46f9b8c/FLAG398435828 [2025-03-17 07:11:01,798 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:11:01,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_begin_harness.i [2025-03-17 07:11:01,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29dadb3b0/759ab5484ed14f409c7ee4a6f46f9b8c/FLAG398435828 [2025-03-17 07:11:01,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29dadb3b0/759ab5484ed14f409c7ee4a6f46f9b8c [2025-03-17 07:11:01,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:11:01,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:11:01,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:11:01,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:11:01,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:11:01,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:11:01" (1/1) ... [2025-03-17 07:11:01,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9de71cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:01, skipping insertion in model container [2025-03-17 07:11:01,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:11:01" (1/1) ... [2025-03-17 07:11:01,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:11:02,159 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_iter_begin_harness.i[4493,4506] [2025-03-17 07:11:02,167 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_iter_begin_harness.i[4553,4566] [2025-03-17 07:11:02,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,702 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,706 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:02,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,347 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_iter_begin_harness.i[227550,227563] [2025-03-17 07:11:03,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:11:03,370 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:11:03,382 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_iter_begin_harness.i[4493,4506] [2025-03-17 07:11:03,382 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_iter_begin_harness.i[4553,4566] [2025-03-17 07:11:03,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-17 07:11:03,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:11:03,617 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_iter_begin_harness.i[227550,227563] [2025-03-17 07:11:03,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:11:03,763 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:11:03,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03 WrapperNode [2025-03-17 07:11:03,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:11:03,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:11:03,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:11:03,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:11:03,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,891 INFO L138 Inliner]: procedures = 763, calls = 2441, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 623 [2025-03-17 07:11:03,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:11:03,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:11:03,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:11:03,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:11:03,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,909 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,964 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 247, 51, 3, 2, 23, 6, 5]. 73 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 6, 9, 0, 0, 0, 0, 5]. The 249 writes are split as follows [0, 233, 11, 1, 1, 1, 2, 0]. [2025-03-17 07:11:03,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:03,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:04,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:04,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:04,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:11:04,032 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:11:04,032 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:11:04,032 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:11:04,033 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (1/1) ... [2025-03-17 07:11:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:11:04,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:11:04,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:11:04,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:11:04,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:11:04,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:11:04,353 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:11:04,355 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:11:04,398 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:11:04,431 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:11:04,433 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:11:04,545 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-1: assume false; [2025-03-17 07:11:04,546 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-1: assume !false; [2025-03-17 07:11:04,546 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-2: havoc #t~mem1400.base, #t~mem1400.offset;havoc #t~mem1401.base, #t~mem1401.offset;havoc #t~mem1402.base, #t~mem1402.offset;havoc #t~mem1403;havoc #t~mem1404;havoc #t~mem1405;havoc #t~mem1406;havoc #t~mem1407.base, #t~mem1407.offset;havoc #t~mem1408.base, #t~mem1408.offset; [2025-03-17 07:11:04,659 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:11:04,702 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-17 07:11:04,723 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:11:04,735 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:11:09,808 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:11:09,918 INFO L? ?]: Removed 183 outVars from TransFormulas that were not future-live. [2025-03-17 07:11:09,919 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:11:09,939 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:11:09,941 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:11:09,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:11:09 BoogieIcfgContainer [2025-03-17 07:11:09,942 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:11:09,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:11:09,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:11:09,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:11:09,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:11:01" (1/3) ... [2025-03-17 07:11:09,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70883301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:11:09, skipping insertion in model container [2025-03-17 07:11:09,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:03" (2/3) ... [2025-03-17 07:11:09,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70883301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:11:09, skipping insertion in model container [2025-03-17 07:11:09,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:11:09" (3/3) ... [2025-03-17 07:11:09,949 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness.i [2025-03-17 07:11:09,959 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:11:09,962 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_begin_harness.i that has 25 procedures, 195 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-03-17 07:11:10,006 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:11:10,016 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;@29a6d8ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:11:10,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:11:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 109 states have internal predecessors, (140), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 07:11:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-17 07:11:10,030 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:11:10,031 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:11:10,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:11:10,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:11:10,035 INFO L85 PathProgramCache]: Analyzing trace with hash 56194062, now seen corresponding path program 1 times [2025-03-17 07:11:10,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:11:10,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777478721] [2025-03-17 07:11:10,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:10,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:11:14,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-17 07:11:14,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-17 07:11:14,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:14,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-03-17 07:11:16,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:11:16,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777478721] [2025-03-17 07:11:16,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777478721] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:11:16,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89818039] [2025-03-17 07:11:16,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:16,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:11:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:11:16,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:11:16,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:11:20,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-17 07:11:21,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-17 07:11:21,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:21,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:21,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 4541 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:11:21,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:11:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-03-17 07:11:21,448 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:11:21,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89818039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:11:21,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:11:21,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-03-17 07:11:21,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278176326] [2025-03-17 07:11:21,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:11:21,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:11:21,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:11:21,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:11:21,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:11:21,472 INFO L87 Difference]: Start difference. First operand has 167 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 109 states have internal predecessors, (140), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-17 07:11:21,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:11:21,507 INFO L93 Difference]: Finished difference Result 326 states and 461 transitions. [2025-03-17 07:11:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:11:21,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 146 [2025-03-17 07:11:21,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:11:21,521 INFO L225 Difference]: With dead ends: 326 [2025-03-17 07:11:21,521 INFO L226 Difference]: Without dead ends: 163 [2025-03-17 07:11:21,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:11:21,527 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:11:21,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:11:21,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-03-17 07:11:21,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2025-03-17 07:11:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 105 states have (on average 1.2476190476190476) internal successors, (131), 106 states have internal predecessors, (131), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-17 07:11:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 210 transitions. [2025-03-17 07:11:21,571 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 210 transitions. Word has length 146 [2025-03-17 07:11:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:11:21,575 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 210 transitions. [2025-03-17 07:11:21,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-17 07:11:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 210 transitions. [2025-03-17 07:11:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-17 07:11:21,580 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:11:21,580 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:11:21,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 07:11:21,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:11:21,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:11:21,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:11:21,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2111188652, now seen corresponding path program 1 times [2025-03-17 07:11:21,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:11:21,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159466068] [2025-03-17 07:11:21,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:21,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:11:25,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-17 07:11:25,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-17 07:11:25,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:25,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-03-17 07:11:26,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:11:26,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159466068] [2025-03-17 07:11:26,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159466068] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:11:26,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414080810] [2025-03-17 07:11:26,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:11:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:11:26,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:11:26,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:11:30,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-17 07:11:31,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-17 07:11:31,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:31,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:31,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:11:31,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:11:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-03-17 07:11:34,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 07:11:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-17 07:11:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414080810] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 07:11:38,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-17 07:11:38,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2025-03-17 07:11:38,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714668361] [2025-03-17 07:11:38,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:11:38,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:11:38,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:11:38,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:11:38,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2025-03-17 07:11:38,650 INFO L87 Difference]: Start difference. First operand 163 states and 210 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-03-17 07:11:41,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:11:41,805 INFO L93 Difference]: Finished difference Result 240 states and 314 transitions. [2025-03-17 07:11:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 07:11:41,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 152 [2025-03-17 07:11:41,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:11:41,809 INFO L225 Difference]: With dead ends: 240 [2025-03-17 07:11:41,809 INFO L226 Difference]: Without dead ends: 171 [2025-03-17 07:11:41,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2025-03-17 07:11:41,810 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 211 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:11:41,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 1022 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-17 07:11:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2025-03-17 07:11:41,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2025-03-17 07:11:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 106 states have (on average 1.2452830188679245) internal successors, (132), 108 states have internal predecessors, (132), 40 states have call successors, (40), 17 states have call predecessors, (40), 18 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2025-03-17 07:11:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 212 transitions. [2025-03-17 07:11:41,831 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 212 transitions. Word has length 152 [2025-03-17 07:11:41,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:11:41,832 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 212 transitions. [2025-03-17 07:11:41,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-03-17 07:11:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 212 transitions. [2025-03-17 07:11:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-17 07:11:41,834 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:11:41,834 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:11:41,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:11:42,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 07:11:42,035 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:11:42,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:11:42,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1271194678, now seen corresponding path program 1 times [2025-03-17 07:11:42,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:11:42,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282609659] [2025-03-17 07:11:42,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:42,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:11:45,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-17 07:11:46,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-17 07:11:46,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:46,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-03-17 07:11:46,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:11:46,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282609659] [2025-03-17 07:11:46,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282609659] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:11:46,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731752195] [2025-03-17 07:11:46,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:46,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:11:46,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:11:46,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:11:46,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:11:51,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-17 07:11:51,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-17 07:11:51,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:51,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:51,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 4571 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:11:51,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:11:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-03-17 07:11:51,634 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:11:51,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731752195] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:11:51,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:11:51,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-17 07:11:51,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351366650] [2025-03-17 07:11:51,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:11:51,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:11:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:11:51,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:11:51,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:11:51,638 INFO L87 Difference]: Start difference. First operand 165 states and 212 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:11:51,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:11:51,855 INFO L93 Difference]: Finished difference Result 324 states and 417 transitions. [2025-03-17 07:11:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:11:51,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2025-03-17 07:11:51,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:11:51,860 INFO L225 Difference]: With dead ends: 324 [2025-03-17 07:11:51,861 INFO L226 Difference]: Without dead ends: 170 [2025-03-17 07:11:51,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:11:51,862 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:11:51,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 820 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 07:11:51,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-03-17 07:11:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2025-03-17 07:11:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.2363636363636363) internal successors, (136), 112 states have internal predecessors, (136), 40 states have call successors, (40), 17 states have call predecessors, (40), 19 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2025-03-17 07:11:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2025-03-17 07:11:51,876 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 153 [2025-03-17 07:11:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:11:51,876 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2025-03-17 07:11:51,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 07:11:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2025-03-17 07:11:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-17 07:11:51,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:11:51,880 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:11:51,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:11:52,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:11:52,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:11:52,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:11:52,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1669973174, now seen corresponding path program 1 times [2025-03-17 07:11:52,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:11:52,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429457516] [2025-03-17 07:11:52,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:52,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:11:55,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-17 07:11:55,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-17 07:11:55,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:11:55,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:11:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-03-17 07:11:59,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:11:59,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429457516] [2025-03-17 07:11:59,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429457516] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:11:59,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241031218] [2025-03-17 07:11:59,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:11:59,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:11:59,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:11:59,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:11:59,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:12:03,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-17 07:12:04,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-17 07:12:04,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:12:04,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:12:04,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 4571 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 07:12:04,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:12:05,982 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 22 treesize of output 1 [2025-03-17 07:12:10,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2025-03-17 07:12:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2025-03-17 07:12:12,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:12:12,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241031218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:12:12,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:12:12,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 23 [2025-03-17 07:12:12,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364191883] [2025-03-17 07:12:12,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:12:12,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 07:12:12,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:12:12,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 07:12:12,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2025-03-17 07:12:12,420 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 15 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 8 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-03-17 07:12:16,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:12:20,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:12:25,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 07:12:35,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:12:35,639 INFO L93 Difference]: Finished difference Result 344 states and 443 transitions. [2025-03-17 07:12:35,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 07:12:35,640 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 8 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 163 [2025-03-17 07:12:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:12:35,642 INFO L225 Difference]: With dead ends: 344 [2025-03-17 07:12:35,642 INFO L226 Difference]: Without dead ends: 273 [2025-03-17 07:12:35,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 146 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=130, Invalid=1060, Unknown=0, NotChecked=0, Total=1190 [2025-03-17 07:12:35,644 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 219 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 60 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:12:35,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1854 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 719 Invalid, 3 Unknown, 0 Unchecked, 20.3s Time] [2025-03-17 07:12:35,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2025-03-17 07:12:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2025-03-17 07:12:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 180 states have (on average 1.2722222222222221) internal successors, (229), 184 states have internal predecessors, (229), 53 states have call successors, (53), 26 states have call predecessors, (53), 31 states have return successors, (56), 54 states have call predecessors, (56), 51 states have call successors, (56) [2025-03-17 07:12:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 338 transitions. [2025-03-17 07:12:35,673 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 338 transitions. Word has length 163 [2025-03-17 07:12:35,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:12:35,674 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 338 transitions. [2025-03-17 07:12:35,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 8 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-03-17 07:12:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 338 transitions. [2025-03-17 07:12:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-17 07:12:35,676 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:12:35,676 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:12:35,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 07:12:35,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:12:35,876 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:12:35,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:12:35,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1388357754, now seen corresponding path program 1 times [2025-03-17 07:12:35,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:12:35,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410128414] [2025-03-17 07:12:35,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:12:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms