./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_clean_up_harness_negated.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 50d4d1f2ae5bba89cc186bb0972ef2b0cd77f1837349703818d4cbd39178a465 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:05:18,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:05:18,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:05:18,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:05:18,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:05:18,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:05:18,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:05:18,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:05:18,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:05:18,101 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:05:18,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:05:18,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:05:18,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:05:18,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:05:18,101 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:05:18,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:05:18,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:05:18,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:05:18,102 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:18,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:05:18,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:05:18,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:05:18,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:05:18,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:05:18,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:05:18,107 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 -> 50d4d1f2ae5bba89cc186bb0972ef2b0cd77f1837349703818d4cbd39178a465 [2025-03-08 18:05:18,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:05:18,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:05:18,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:05:18,515 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:05:18,515 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:05:18,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness_negated.i [2025-03-08 18:05:19,805 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a35a7e83/48ea1d4668e14ad8bfeacd41fb10e822/FLAGd2242b7a8 [2025-03-08 18:05:20,360 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:05:20,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_clean_up_harness_negated.i [2025-03-08 18:05:20,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a35a7e83/48ea1d4668e14ad8bfeacd41fb10e822/FLAGd2242b7a8 [2025-03-08 18:05:20,424 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a35a7e83/48ea1d4668e14ad8bfeacd41fb10e822 [2025-03-08 18:05:20,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:05:20,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:05:20,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:20,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:05:20,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:05:20,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:20" (1/1) ... [2025-03-08 18:05:20,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eaa85da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:20, skipping insertion in model container [2025-03-08 18:05:20,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:20" (1/1) ... [2025-03-08 18:05:20,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:05:20,809 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_clean_up_harness_negated.i[4497,4510] [2025-03-08 18:05:20,819 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_clean_up_harness_negated.i[4557,4570] [2025-03-08 18:05:22,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:22,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,128 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_clean_up_harness_negated.i[228637,228650] [2025-03-08 18:05:23,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:23,158 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:05:23,174 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_clean_up_harness_negated.i[4497,4510] [2025-03-08 18:05:23,175 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_clean_up_harness_negated.i[4557,4570] [2025-03-08 18:05:23,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7553-7564] [2025-03-08 18:05:23,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,444 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:23,471 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_clean_up_harness_negated.i[228637,228650] [2025-03-08 18:05:23,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:23,640 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:05:23,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23 WrapperNode [2025-03-08 18:05:23,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:23,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:23,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:05:23,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:05:23,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,789 INFO L138 Inliner]: procedures = 764, calls = 2440, calls flagged for inlining = 72, calls inlined = 16, statements flattened = 716 [2025-03-08 18:05:23,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:23,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:05:23,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:05:23,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:05:23,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,862 INFO L175 MemorySlicer]: Split 304 memory accesses to 8 slices as follows [238, 2, 2, 16, 2, 37, 6, 1]. 78 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 0, 2, 0, 0, 0, 5, 0]. The 243 writes are split as follows [232, 1, 0, 2, 1, 6, 0, 1]. [2025-03-08 18:05:23,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:05:23,923 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:05:23,923 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:05:23,923 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:05:23,924 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (1/1) ... [2025-03-08 18:05:23,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:23,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:23,952 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) [2025-03-08 18:05:23,955 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 [2025-03-08 18:05:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure memset_override_0_impl [2025-03-08 18:05:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_override_0_impl [2025-03-08 18:05:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:05:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:05:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:05:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:05:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:05:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:05:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:05:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:05:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:05:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:05:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:05:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:05:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:05:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:05:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:05:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:05:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:05:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 18:05:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 18:05:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:05:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:05:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:05:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:05:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:05:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:05:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:05:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:05:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 18:05:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:05:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:05:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:05:24,315 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:05:24,316 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:05:24,358 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:05:24,376 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10096: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:05:24,455 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:05:24,456 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:05:24,469 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7383: havoc #t~ret691.base, #t~ret691.offset; [2025-03-08 18:05:24,498 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9983: havoc #t~mem1492.base, #t~mem1492.offset;havoc #t~short1493;havoc #t~mem1494.base, #t~mem1494.offset;havoc #t~ret1495;havoc #t~short1496; [2025-03-08 18:05:24,507 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:05:24,590 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:05:24,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:05:29,706 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: 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; [2025-03-08 18:05:29,706 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-08 18:05:29,784 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2025-03-08 18:05:29,784 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:05:29,803 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:05:29,805 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:05:29,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:29 BoogieIcfgContainer [2025-03-08 18:05:29,805 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:05:29,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:05:29,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:05:29,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:05:29,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:05:20" (1/3) ... [2025-03-08 18:05:29,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b0e256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:29, skipping insertion in model container [2025-03-08 18:05:29,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:23" (2/3) ... [2025-03-08 18:05:29,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b0e256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:29, skipping insertion in model container [2025-03-08 18:05:29,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:29" (3/3) ... [2025-03-08 18:05:29,814 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_clean_up_harness_negated.i [2025-03-08 18:05:29,827 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:05:29,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_clean_up_harness_negated.i that has 20 procedures, 198 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 18:05:29,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:05:29,888 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;@71abd9cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:05:29,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:05:29,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 131 states have internal predecessors, (155), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-08 18:05:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 18:05:29,902 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:29,902 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:05:29,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:29,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:29,906 INFO L85 PathProgramCache]: Analyzing trace with hash 440707454, now seen corresponding path program 1 times [2025-03-08 18:05:29,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:29,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666666121] [2025-03-08 18:05:29,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:34,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:05:34,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:05:34,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:34,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-08 18:05:35,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:35,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666666121] [2025-03-08 18:05:35,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666666121] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:05:35,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620896989] [2025-03-08 18:05:35,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:35,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:05:35,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:35,189 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) [2025-03-08 18:05:35,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:05:39,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:05:40,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:05:40,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:40,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:40,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 4328 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:05:40,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:05:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2025-03-08 18:05:40,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:05:40,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620896989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:40,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:05:40,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:05:40,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878182180] [2025-03-08 18:05:40,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:40,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:05:40,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:40,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:05:40,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:05:40,627 INFO L87 Difference]: Start difference. First operand has 198 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 131 states have internal predecessors, (155), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:05:40,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:40,692 INFO L93 Difference]: Finished difference Result 391 states and 523 transitions. [2025-03-08 18:05:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:05:40,695 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2025-03-08 18:05:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:40,704 INFO L225 Difference]: With dead ends: 391 [2025-03-08 18:05:40,705 INFO L226 Difference]: Without dead ends: 191 [2025-03-08 18:05:40,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:05:40,712 INFO L435 NwaCegarLoop]: 244 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, 244 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 [2025-03-08 18:05:40,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:05:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-03-08 18:05:40,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2025-03-08 18:05:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 124 states have (on average 1.1612903225806452) internal successors, (144), 125 states have internal predecessors, (144), 47 states have call successors, (47), 19 states have call predecessors, (47), 19 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-08 18:05:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 237 transitions. [2025-03-08 18:05:40,762 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 237 transitions. Word has length 134 [2025-03-08 18:05:40,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:40,763 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 237 transitions. [2025-03-08 18:05:40,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:05:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 237 transitions. [2025-03-08 18:05:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 18:05:40,767 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:40,767 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:05:40,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:05:40,968 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 [2025-03-08 18:05:40,969 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:40,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:40,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1481133982, now seen corresponding path program 1 times [2025-03-08 18:05:40,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:40,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130623139] [2025-03-08 18:05:40,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:45,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:05:45,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:05:45,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:45,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-08 18:05:47,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:47,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130623139] [2025-03-08 18:05:47,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130623139] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:47,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:05:47,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:05:47,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684102305] [2025-03-08 18:05:47,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:47,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:05:47,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:47,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:05:47,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:05:47,131 INFO L87 Difference]: Start difference. First operand 191 states and 237 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:05:47,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:47,468 INFO L93 Difference]: Finished difference Result 345 states and 429 transitions. [2025-03-08 18:05:47,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:05:47,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2025-03-08 18:05:47,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:47,472 INFO L225 Difference]: With dead ends: 345 [2025-03-08 18:05:47,472 INFO L226 Difference]: Without dead ends: 196 [2025-03-08 18:05:47,475 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 [2025-03-08 18:05:47,475 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 0 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:05:47,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 928 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 18:05:47,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2025-03-08 18:05:47,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2025-03-08 18:05:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 128 states have (on average 1.15625) internal successors, (148), 129 states have internal predecessors, (148), 47 states have call successors, (47), 19 states have call predecessors, (47), 20 states have return successors, (47), 47 states have call predecessors, (47), 46 states have call successors, (47) [2025-03-08 18:05:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2025-03-08 18:05:47,492 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 134 [2025-03-08 18:05:47,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:47,493 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2025-03-08 18:05:47,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 18:05:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2025-03-08 18:05:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 18:05:47,495 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:47,496 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:05:47,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:05:47,496 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:47,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash -559455556, now seen corresponding path program 1 times [2025-03-08 18:05:47,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:47,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432347153] [2025-03-08 18:05:47,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:51,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 18:05:52,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 18:05:52,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:52,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-08 18:05:56,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:56,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432347153] [2025-03-08 18:05:56,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432347153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:56,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:05:56,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-08 18:05:56,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907678711] [2025-03-08 18:05:56,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:56,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 18:05:56,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:56,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 18:05:56,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-08 18:05:56,565 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-08 18:06:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:01,251 INFO L93 Difference]: Finished difference Result 340 states and 427 transitions. [2025-03-08 18:06:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 18:06:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 140 [2025-03-08 18:06:01,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:01,255 INFO L225 Difference]: With dead ends: 340 [2025-03-08 18:06:01,255 INFO L226 Difference]: Without dead ends: 205 [2025-03-08 18:06:01,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:06:01,260 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 53 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:01,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1496 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-03-08 18:06:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-03-08 18:06:01,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 201. [2025-03-08 18:06:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 132 states have (on average 1.1590909090909092) internal successors, (153), 134 states have internal predecessors, (153), 47 states have call successors, (47), 19 states have call predecessors, (47), 21 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2025-03-08 18:06:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 250 transitions. [2025-03-08 18:06:01,279 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 250 transitions. Word has length 140 [2025-03-08 18:06:01,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:01,279 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 250 transitions. [2025-03-08 18:06:01,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-08 18:06:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 250 transitions. [2025-03-08 18:06:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 18:06:01,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:01,281 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:06:01,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 18:06:01,282 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:01,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:01,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1514976835, now seen corresponding path program 1 times [2025-03-08 18:06:01,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:01,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662580170] [2025-03-08 18:06:01,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:01,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:05,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 18:06:05,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 18:06:05,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:05,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-08 18:06:06,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:06,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662580170] [2025-03-08 18:06:06,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662580170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:06,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:06:06,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:06:06,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993408379] [2025-03-08 18:06:06,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:06,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:06:06,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:06,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:06:06,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:06,836 INFO L87 Difference]: Start difference. First operand 201 states and 250 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-08 18:06:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:07,492 INFO L93 Difference]: Finished difference Result 346 states and 436 transitions. [2025-03-08 18:06:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:06:07,493 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), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 140 [2025-03-08 18:06:07,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:07,495 INFO L225 Difference]: With dead ends: 346 [2025-03-08 18:06:07,495 INFO L226 Difference]: Without dead ends: 206 [2025-03-08 18:06:07,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:07,497 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 52 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:07,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 836 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 18:06:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-03-08 18:06:07,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2025-03-08 18:06:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 133 states have (on average 1.1578947368421053) internal successors, (154), 135 states have internal predecessors, (154), 48 states have call successors, (48), 19 states have call predecessors, (48), 21 states have return successors, (51), 48 states have call predecessors, (51), 47 states have call successors, (51) [2025-03-08 18:06:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 253 transitions. [2025-03-08 18:06:07,516 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 253 transitions. Word has length 140 [2025-03-08 18:06:07,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:07,516 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 253 transitions. [2025-03-08 18:06:07,517 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), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-08 18:06:07,517 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 253 transitions. [2025-03-08 18:06:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 18:06:07,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:07,518 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:06:07,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 18:06:07,519 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:07,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash -393574502, now seen corresponding path program 1 times [2025-03-08 18:06:07,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:07,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248823650] [2025-03-08 18:06:07,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:11,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 18:06:11,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 18:06:11,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:11,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-08 18:06:14,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:14,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248823650] [2025-03-08 18:06:14,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248823650] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:14,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:06:14,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 18:06:14,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605751681] [2025-03-08 18:06:14,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:14,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:06:14,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:14,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:06:14,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:06:14,500 INFO L87 Difference]: Start difference. First operand 203 states and 253 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2025-03-08 18:06:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:15,569 INFO L93 Difference]: Finished difference Result 348 states and 444 transitions. [2025-03-08 18:06:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:06:15,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 146 [2025-03-08 18:06:15,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:15,573 INFO L225 Difference]: With dead ends: 348 [2025-03-08 18:06:15,573 INFO L226 Difference]: Without dead ends: 204 [2025-03-08 18:06:15,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:06:15,574 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 3 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:15,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1339 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 18:06:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-03-08 18:06:15,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2025-03-08 18:06:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 133 states have (on average 1.150375939849624) internal successors, (153), 135 states have internal predecessors, (153), 48 states have call successors, (48), 19 states have call predecessors, (48), 21 states have return successors, (51), 48 states have call predecessors, (51), 47 states have call successors, (51) [2025-03-08 18:06:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2025-03-08 18:06:15,587 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 146 [2025-03-08 18:06:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:15,588 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2025-03-08 18:06:15,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2025-03-08 18:06:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2025-03-08 18:06:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-08 18:06:15,591 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:15,591 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2025-03-08 18:06:15,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 18:06:15,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:15,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:15,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1893965315, now seen corresponding path program 1 times [2025-03-08 18:06:15,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:15,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636861032] [2025-03-08 18:06:15,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:15,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:19,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-08 18:06:19,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-08 18:06:19,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:19,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-08 18:06:22,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636861032] [2025-03-08 18:06:22,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636861032] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:22,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:06:22,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 18:06:22,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973314794] [2025-03-08 18:06:22,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:22,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:06:22,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:22,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:06:22,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-08 18:06:22,506 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-08 18:06:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:25,369 INFO L93 Difference]: Finished difference Result 225 states and 274 transitions. [2025-03-08 18:06:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 18:06:25,370 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) Word has length 153 [2025-03-08 18:06:25,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:25,375 INFO L225 Difference]: With dead ends: 225 [2025-03-08 18:06:25,375 INFO L226 Difference]: Without dead ends: 203 [2025-03-08 18:06:25,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-08 18:06:25,376 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 59 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:25,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1329 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-08 18:06:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-03-08 18:06:25,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2025-03-08 18:06:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 133 states have (on average 1.1428571428571428) internal successors, (152), 135 states have internal predecessors, (152), 48 states have call successors, (48), 19 states have call predecessors, (48), 21 states have return successors, (51), 48 states have call predecessors, (51), 47 states have call successors, (51) [2025-03-08 18:06:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 251 transitions. [2025-03-08 18:06:25,388 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 251 transitions. Word has length 153 [2025-03-08 18:06:25,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:25,388 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 251 transitions. [2025-03-08 18:06:25,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-08 18:06:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions. [2025-03-08 18:06:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-03-08 18:06:25,390 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:25,390 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:25,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 18:06:25,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:25,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:25,390 INFO L85 PathProgramCache]: Analyzing trace with hash -589131572, now seen corresponding path program 1 times [2025-03-08 18:06:25,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:25,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845592190] [2025-03-08 18:06:25,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:25,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:29,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-08 18:06:29,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-08 18:06:29,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:29,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2025-03-08 18:06:30,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:30,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845592190] [2025-03-08 18:06:30,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845592190] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:30,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:06:30,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:06:30,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885110767] [2025-03-08 18:06:30,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:30,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:06:30,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:30,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:06:30,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:30,842 INFO L87 Difference]: Start difference. First operand 203 states and 251 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-08 18:06:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:31,424 INFO L93 Difference]: Finished difference Result 314 states and 388 transitions. [2025-03-08 18:06:31,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:06:31,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 178 [2025-03-08 18:06:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:31,427 INFO L225 Difference]: With dead ends: 314 [2025-03-08 18:06:31,427 INFO L226 Difference]: Without dead ends: 203 [2025-03-08 18:06:31,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-08 18:06:31,428 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 2 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:31,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 673 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 18:06:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-03-08 18:06:31,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2025-03-08 18:06:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 133 states have (on average 1.1353383458646618) internal successors, (151), 135 states have internal predecessors, (151), 48 states have call successors, (48), 19 states have call predecessors, (48), 21 states have return successors, (51), 48 states have call predecessors, (51), 47 states have call successors, (51) [2025-03-08 18:06:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 250 transitions. [2025-03-08 18:06:31,438 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 250 transitions. Word has length 178 [2025-03-08 18:06:31,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:31,439 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 250 transitions. [2025-03-08 18:06:31,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-08 18:06:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2025-03-08 18:06:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-08 18:06:31,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:31,441 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2025-03-08 18:06:31,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 18:06:31,442 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:31,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:31,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1802796208, now seen corresponding path program 1 times [2025-03-08 18:06:31,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:31,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270486982] [2025-03-08 18:06:31,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:35,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-08 18:06:35,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-08 18:06:35,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:35,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2025-03-08 18:06:40,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:40,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270486982] [2025-03-08 18:06:40,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270486982] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:40,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353426986] [2025-03-08 18:06:40,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:40,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:40,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:40,148 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) [2025-03-08 18:06:40,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:06:45,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-08 18:06:46,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-08 18:06:46,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:46,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:46,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 4522 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-08 18:06:46,080 INFO L279 TraceCheckSpWp]: Computing forward predicates...