./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_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_find_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 f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:05:42,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:05:42,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:05:42,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:05:42,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:05:42,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:05:42,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:05:42,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:05:42,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:05:42,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:05:42,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:05:42,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:05:42,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:05:42,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:42,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:05:42,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:05:42,358 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 -> f75d0ef33a31287833e190b2032d34d4d62b29cbbc430e756e509abfe84aec7a [2025-03-08 18:05:42,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:05:42,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:05:42,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:05:42,642 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:05:42,642 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:05:42,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-03-08 18:05:44,225 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd854b439/85b8498b5c0a4212975e043ef0e6769a/FLAG66fc8b39a [2025-03-08 18:05:45,253 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:05:45,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness_negated.i [2025-03-08 18:05:45,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd854b439/85b8498b5c0a4212975e043ef0e6769a/FLAG66fc8b39a [2025-03-08 18:05:45,853 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd854b439/85b8498b5c0a4212975e043ef0e6769a [2025-03-08 18:05:45,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:05:45,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:05:45,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:45,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:05:45,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:05:45,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:45" (1/1) ... [2025-03-08 18:05:45,877 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 06:05:45, skipping insertion in model container [2025-03-08 18:05:45,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:45" (1/1) ... [2025-03-08 18:05:46,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:05:46,633 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_find_harness_negated.i[4493,4506] [2025-03-08 18:05:46,656 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_find_harness_negated.i[4553,4566] [2025-03-08 18:05:48,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:48,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:49,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,065 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_find_harness_negated.i[228314,228327] [2025-03-08 18:05:50,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:50,122 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:05:50,139 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_find_harness_negated.i[4493,4506] [2025-03-08 18:05:50,144 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_find_harness_negated.i[4553,4566] [2025-03-08 18:05:50,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-08 18:05:50,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:50,574 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_find_harness_negated.i[228314,228327] [2025-03-08 18:05:50,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:50,928 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:05:50,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50 WrapperNode [2025-03-08 18:05:50,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:50,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:50,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:05:50,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:05:50,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,237 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-03-08 18:05:51,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:51,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:05:51,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:05:51,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:05:51,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,412 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [4, 238, 2, 3, 1, 36, 2, 9, 3, 6, 6, 5]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 249 writes are split as follows [3, 232, 0, 1, 1, 3, 1, 1, 3, 2, 2, 0]. [2025-03-08 18:05:51,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:05:51,569 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:05:51,569 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:05:51,570 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:05:51,570 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (1/1) ... [2025-03-08 18:05:51,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:51,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:51,640 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 18:05:51,649 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 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:05:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:05:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-08 18:05:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-08 18:05:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-08 18:05:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-08 18:05:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-08 18:05:51,689 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-08 18:05:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:05:51,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:05:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:05:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:05:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:05:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:05:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:05:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:05:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-08 18:05:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:05:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:05:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 18:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:05:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:05:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:05:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:05:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:05:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 18:05:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 18:05:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 18:05:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:05:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:05:52,350 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:05:52,352 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:05:52,405 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:05:52,473 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume false; [2025-03-08 18:05:52,473 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume !false; [2025-03-08 18:05:52,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:05:52,525 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:05:52,816 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9293: havoc #t~ret1201#1; [2025-03-08 18:05:52,880 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume false; [2025-03-08 18:05:52,881 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume !false; [2025-03-08 18:05:52,928 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-08 18:05:52,929 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume false; [2025-03-08 18:05:52,929 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume !false; [2025-03-08 18:05:53,023 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:05:53,081 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-08 18:05:53,123 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:05:53,123 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:05:53,123 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:05:53,141 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9091: havoc #t~ret1140; [2025-03-08 18:05:53,187 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:05:53,226 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:05:59,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 18:05:59,082 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 18:05:59,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-08 18:05:59,271 INFO L? ?]: Removed 281 outVars from TransFormulas that were not future-live. [2025-03-08 18:05:59,274 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:05:59,317 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:05:59,317 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:05:59,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:59 BoogieIcfgContainer [2025-03-08 18:05:59,321 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:05:59,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:05:59,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:05:59,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:05:59,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:05:45" (1/3) ... [2025-03-08 18:05:59,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3e41a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:59, skipping insertion in model container [2025-03-08 18:05:59,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:50" (2/3) ... [2025-03-08 18:05:59,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3e41a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:59, skipping insertion in model container [2025-03-08 18:05:59,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:59" (3/3) ... [2025-03-08 18:05:59,336 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness_negated.i [2025-03-08 18:05:59,363 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:05:59,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness_negated.i that has 23 procedures, 264 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-08 18:05:59,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:05:59,495 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;@14c7c710, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:05:59,499 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:05:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-08 18:05:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-08 18:05:59,534 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:59,535 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:05:59,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:59,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:59,546 INFO L85 PathProgramCache]: Analyzing trace with hash 115322286, now seen corresponding path program 1 times [2025-03-08 18:05:59,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:59,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499281653] [2025-03-08 18:05:59,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:06,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 18:06:07,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 18:06:07,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:07,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-03-08 18:06:07,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:07,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499281653] [2025-03-08 18:06:07,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499281653] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:07,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34492394] [2025-03-08 18:06:07,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:07,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:07,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:07,866 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 18:06:07,868 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 18:06:14,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 18:06:15,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 18:06:15,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:15,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:15,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:06:15,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-03-08 18:06:15,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:06:15,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34492394] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:15,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:06:15,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:06:15,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578600622] [2025-03-08 18:06:15,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:15,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:06:15,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:15,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:06:15,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:06:16,005 INFO L87 Difference]: Start difference. First operand has 264 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 173 states have internal predecessors, (216), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-08 18:06:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:16,216 INFO L93 Difference]: Finished difference Result 522 states and 749 transitions. [2025-03-08 18:06:16,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:06:16,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 184 [2025-03-08 18:06:16,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:16,231 INFO L225 Difference]: With dead ends: 522 [2025-03-08 18:06:16,232 INFO L226 Difference]: Without dead ends: 257 [2025-03-08 18:06:16,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 18:06:16,246 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:16,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 18:06:16,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-03-08 18:06:16,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2025-03-08 18:06:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.2228915662650603) internal successors, (203), 167 states have internal predecessors, (203), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-03-08 18:06:16,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2025-03-08 18:06:16,377 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 184 [2025-03-08 18:06:16,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:16,378 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2025-03-08 18:06:16,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-03-08 18:06:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2025-03-08 18:06:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-08 18:06:16,389 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:16,390 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:16,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:06:16,594 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 18:06:16,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:16,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1812560880, now seen corresponding path program 1 times [2025-03-08 18:06:16,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:16,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777030578] [2025-03-08 18:06:16,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:16,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:21,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 18:06:22,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 18:06:22,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:22,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-08 18:06:24,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:24,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777030578] [2025-03-08 18:06:24,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777030578] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:24,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543178462] [2025-03-08 18:06:24,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:24,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:24,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:24,911 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 18:06:24,915 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 18:06:30,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 18:06:31,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 18:06:31,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:31,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:31,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 4655 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:06:31,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-03-08 18:06:31,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:06:31,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543178462] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:31,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:06:31,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-03-08 18:06:31,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472948432] [2025-03-08 18:06:31,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:31,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:06:31,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:31,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:06:31,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:31,622 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 18:06:32,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:32,098 INFO L93 Difference]: Finished difference Result 510 states and 670 transitions. [2025-03-08 18:06:32,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:06:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 184 [2025-03-08 18:06:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:32,106 INFO L225 Difference]: With dead ends: 510 [2025-03-08 18:06:32,106 INFO L226 Difference]: Without dead ends: 262 [2025-03-08 18:06:32,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:06:32,114 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 0 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1320 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 18:06:32,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1320 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 18:06:32,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2025-03-08 18:06:32,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2025-03-08 18:06:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 170 states have (on average 1.2176470588235293) internal successors, (207), 171 states have internal predecessors, (207), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (68), 68 states have call predecessors, (68), 67 states have call successors, (68) [2025-03-08 18:06:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 343 transitions. [2025-03-08 18:06:32,170 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 343 transitions. Word has length 184 [2025-03-08 18:06:32,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:32,172 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 343 transitions. [2025-03-08 18:06:32,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 18:06:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 343 transitions. [2025-03-08 18:06:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-08 18:06:32,178 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:32,179 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-08 18:06:32,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:06:32,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 18:06:32,384 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:32,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:32,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1136074990, now seen corresponding path program 1 times [2025-03-08 18:06:32,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977852805] [2025-03-08 18:06:32,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:37,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 18:06:37,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 18:06:37,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:37,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-03-08 18:06:45,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:45,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977852805] [2025-03-08 18:06:45,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977852805] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:45,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230642750] [2025-03-08 18:06:45,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:45,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:45,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:45,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:06:45,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:06:50,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 18:06:50,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 18:06:50,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:50,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:50,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-03-08 18:06:50,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:52,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 18:07:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-03-08 18:07:02,726 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:02,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230642750] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:02,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:02,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2025-03-08 18:07:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064929911] [2025-03-08 18:07:02,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:02,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 18:07:02,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:02,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 18:07:02,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2025-03-08 18:07:02,730 INFO L87 Difference]: Start difference. First operand 262 states and 343 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-03-08 18:07:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:14,849 INFO L93 Difference]: Finished difference Result 567 states and 734 transitions. [2025-03-08 18:07:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-08 18:07:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 196 [2025-03-08 18:07:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:14,853 INFO L225 Difference]: With dead ends: 567 [2025-03-08 18:07:14,853 INFO L226 Difference]: Without dead ends: 323 [2025-03-08 18:07:14,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 165 SyntacticMatches, 22 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2025-03-08 18:07:14,855 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 254 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:14,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 2801 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2025-03-08 18:07:14,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-03-08 18:07:14,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 320. [2025-03-08 18:07:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 212 states have (on average 1.2028301886792452) internal successors, (255), 213 states have internal predecessors, (255), 74 states have call successors, (74), 31 states have call predecessors, (74), 33 states have return successors, (75), 75 states have call predecessors, (75), 73 states have call successors, (75) [2025-03-08 18:07:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 404 transitions. [2025-03-08 18:07:14,883 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 404 transitions. Word has length 196 [2025-03-08 18:07:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:14,884 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 404 transitions. [2025-03-08 18:07:14,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 6 states have call successors, (33), 4 states have call predecessors, (33), 5 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2025-03-08 18:07:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 404 transitions. [2025-03-08 18:07:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-08 18:07:14,885 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:14,886 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-08 18:07:14,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 18:07:15,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:15,086 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:15,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1084012979, now seen corresponding path program 1 times [2025-03-08 18:07:15,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:15,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794125893] [2025-03-08 18:07:15,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:18,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 18:07:18,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 18:07:18,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:18,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-03-08 18:07:20,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:20,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794125893] [2025-03-08 18:07:20,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794125893] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:20,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758161551] [2025-03-08 18:07:20,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:20,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:20,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:20,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:07:20,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:07:25,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 18:07:25,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 18:07:25,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:25,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:25,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 18:07:25,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-03-08 18:07:27,149 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:27,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758161551] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:27,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:27,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:07:27,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363800444] [2025-03-08 18:07:27,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:27,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:07:27,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:27,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:07:27,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:07:27,156 INFO L87 Difference]: Start difference. First operand 320 states and 404 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-03-08 18:07:29,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:29,282 INFO L93 Difference]: Finished difference Result 568 states and 730 transitions. [2025-03-08 18:07:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:07:29,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 196 [2025-03-08 18:07:29,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:29,286 INFO L225 Difference]: With dead ends: 568 [2025-03-08 18:07:29,286 INFO L226 Difference]: Without dead ends: 325 [2025-03-08 18:07:29,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:07:29,288 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 342 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:29,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1145 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-08 18:07:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-08 18:07:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2025-03-08 18:07:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 215 states have (on average 1.2) internal successors, (258), 217 states have internal predecessors, (258), 75 states have call successors, (75), 31 states have call predecessors, (75), 34 states have return successors, (78), 76 states have call predecessors, (78), 74 states have call successors, (78) [2025-03-08 18:07:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 411 transitions. [2025-03-08 18:07:29,313 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 411 transitions. Word has length 196 [2025-03-08 18:07:29,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:29,313 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 411 transitions. [2025-03-08 18:07:29,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-03-08 18:07:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 411 transitions. [2025-03-08 18:07:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-03-08 18:07:29,317 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:29,317 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-08 18:07:29,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 18:07:29,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:29,521 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:29,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:29,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2007189997, now seen corresponding path program 1 times [2025-03-08 18:07:29,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:29,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234414518] [2025-03-08 18:07:29,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:29,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:33,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-08 18:07:33,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-08 18:07:33,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:33,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat