./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8b8f2658d38f1d4b62f5a688e80bc5ee30c846710ec78d96c7425bfc1b2b470 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:12:58,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:12:58,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:12:58,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:12:58,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:12:58,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:12:58,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:12:58,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:12:58,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:12:58,175 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:12:58,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:12:58,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:12:58,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:12:58,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:12:58,175 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:12:58,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:12:58,176 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:12:58,177 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:12:58,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:12:58,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:12:58,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:12:58,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:12:58,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:58,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:12:58,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:12:58,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:12:58,178 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 -> c8b8f2658d38f1d4b62f5a688e80bc5ee30c846710ec78d96c7425bfc1b2b470 [2025-03-17 07:12:58,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:12:58,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:12:58,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:12:58,499 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:12:58,500 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:12:58,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2025-03-17 07:12:59,803 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81deafa18/b708aedde66e4fdfa01833358e92a0fa/FLAGa6b0d65ed [2025-03-17 07:13:00,240 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:13:00,241 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_find_harness.i [2025-03-17 07:13:00,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81deafa18/b708aedde66e4fdfa01833358e92a0fa/FLAGa6b0d65ed [2025-03-17 07:13:00,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81deafa18/b708aedde66e4fdfa01833358e92a0fa [2025-03-17 07:13:00,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:13:00,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:13:00,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:13:00,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:13:00,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:13:00,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:00" (1/1) ... [2025-03-17 07:13:00,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c24cdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:00, skipping insertion in model container [2025-03-17 07:13:00,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:00" (1/1) ... [2025-03-17 07:13:00,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:13:00,652 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.i[4493,4506] [2025-03-17 07:13:00,662 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.i[4553,4566] [2025-03-17 07:13:01,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,716 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,716 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,727 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,727 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:01,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,708 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,779 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,779 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,868 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.i[228012,228025] [2025-03-17 07:13:02,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:13:02,893 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:13:02,902 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.i[4493,4506] [2025-03-17 07:13:02,906 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.i[4553,4566] [2025-03-17 07:13:02,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:02,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-17 07:13:03,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:13:03,126 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.i[228012,228025] [2025-03-17 07:13:03,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:13:03,320 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:13:03,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03 WrapperNode [2025-03-17 07:13:03,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:13:03,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:13:03,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:13:03,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:13:03,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,461 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 70, calls inlined = 20, statements flattened = 867 [2025-03-17 07:13:03,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:13:03,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:13:03,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:13:03,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:13:03,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,558 INFO L175 MemorySlicer]: Split 315 memory accesses to 12 slices as follows [238, 2, 6, 2, 4, 3, 1, 36, 3, 9, 6, 5]. 76 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [6, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5]. The 249 writes are split as follows [232, 0, 2, 1, 3, 3, 1, 3, 1, 1, 2, 0]. [2025-03-17 07:13:03,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:13:03,641 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:13:03,641 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:13:03,641 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:13:03,646 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (1/1) ... [2025-03-17 07:13:03,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:13:03,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:03,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:13:03,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:13:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:13:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:13:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:13:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:13:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:13:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:13:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:13:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:13:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:13:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:13:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:13:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:13:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:13:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:13:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 07:13:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:13:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:13:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:13:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:13:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:13:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 07:13:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:13:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:13:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:13:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:13:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:13:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:13:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:13:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:13:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:13:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:13:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:13:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:13:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:13:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_find [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_find [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 07:13:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:13:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:13:04,082 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:13:04,085 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:13:04,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:13:04,160 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume false; [2025-03-17 07:13:04,160 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume !false; [2025-03-17 07:13:04,188 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:13:04,190 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:13:04,333 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9327: havoc #t~ret1201#1; [2025-03-17 07:13:04,358 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume false; [2025-03-17 07:13:04,358 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume !false; [2025-03-17 07:13:04,380 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:13:04,381 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume false; [2025-03-17 07:13:04,381 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume !false; [2025-03-17 07:13:04,433 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:13:04,469 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-17 07:13:04,490 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:13:04,490 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:13:04,490 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:13:04,501 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9123: havoc #t~ret1140; [2025-03-17 07:13:04,525 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:13:04,536 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:13:09,668 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:13:09,669 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-17 07:13:09,669 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:13:09,801 INFO L? ?]: Removed 273 outVars from TransFormulas that were not future-live. [2025-03-17 07:13:09,801 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:13:09,825 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:13:09,827 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:13:09,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:09 BoogieIcfgContainer [2025-03-17 07:13:09,828 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:13:09,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:13:09,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:13:09,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:13:09,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:13:00" (1/3) ... [2025-03-17 07:13:09,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3457fc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:09, skipping insertion in model container [2025-03-17 07:13:09,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:03" (2/3) ... [2025-03-17 07:13:09,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3457fc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:09, skipping insertion in model container [2025-03-17 07:13:09,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:09" (3/3) ... [2025-03-17 07:13:09,836 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_find_harness.i [2025-03-17 07:13:09,847 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:13:09,849 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_find_harness.i that has 23 procedures, 254 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-17 07:13:09,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:13:09,914 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;@19cde3d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:13:09,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:13:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 165 states have (on average 1.2484848484848485) internal successors, (206), 163 states have internal predecessors, (206), 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) [2025-03-17 07:13:09,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 07:13:09,936 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:09,937 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] [2025-03-17 07:13:09,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:09,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:09,942 INFO L85 PathProgramCache]: Analyzing trace with hash 545674149, now seen corresponding path program 1 times [2025-03-17 07:13:09,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:09,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778941927] [2025-03-17 07:13:09,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:09,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:14,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:15,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:15,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:15,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-03-17 07:13:15,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:15,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778941927] [2025-03-17 07:13:15,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778941927] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:15,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560449282] [2025-03-17 07:13:15,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:15,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:15,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:15,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:15,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:13:20,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:20,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:20,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:20,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:20,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:13:20,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-03-17 07:13:20,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:20,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560449282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:20,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:20,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:13:20,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436410257] [2025-03-17 07:13:20,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:20,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:13:20,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:20,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:13:20,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:20,956 INFO L87 Difference]: Start difference. First operand has 254 states, 165 states have (on average 1.2484848484848485) internal successors, (206), 163 states have internal predecessors, (206), 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 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2025-03-17 07:13:21,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:21,045 INFO L93 Difference]: Finished difference Result 503 states and 730 transitions. [2025-03-17 07:13:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:13:21,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (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 180 [2025-03-17 07:13:21,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:21,054 INFO L225 Difference]: With dead ends: 503 [2025-03-17 07:13:21,054 INFO L226 Difference]: Without dead ends: 250 [2025-03-17 07:13:21,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:21,063 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:21,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:13:21,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2025-03-17 07:13:21,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2025-03-17 07:13:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 159 states have (on average 1.2327044025157232) internal successors, (196), 160 states have internal predecessors, (196), 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) [2025-03-17 07:13:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 331 transitions. [2025-03-17 07:13:21,119 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 331 transitions. Word has length 180 [2025-03-17 07:13:21,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:21,120 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 331 transitions. [2025-03-17 07:13:21,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (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) [2025-03-17 07:13:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 331 transitions. [2025-03-17 07:13:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-03-17 07:13:21,125 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:21,126 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] [2025-03-17 07:13:21,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:13:21,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:13:21,327 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:21,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:21,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1790088069, now seen corresponding path program 1 times [2025-03-17 07:13:21,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:21,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058846103] [2025-03-17 07:13:21,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:21,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:25,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:25,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:25,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:25,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-17 07:13:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:26,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058846103] [2025-03-17 07:13:26,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058846103] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:26,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302095681] [2025-03-17 07:13:26,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:26,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:26,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:26,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:13:31,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 180 statements into 1 equivalence classes. [2025-03-17 07:13:32,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 180 of 180 statements. [2025-03-17 07:13:32,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:32,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:32,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 07:13:32,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-17 07:13:33,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 07:13:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2025-03-17 07:13:35,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302095681] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:35,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-17 07:13:35,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 8] total 13 [2025-03-17 07:13:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651673280] [2025-03-17 07:13:35,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:35,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:35,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:35,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:13:35,500 INFO L87 Difference]: Start difference. First operand 250 states and 331 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 07:13:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:36,087 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2025-03-17 07:13:36,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:36,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2025-03-17 07:13:36,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:36,096 INFO L225 Difference]: With dead ends: 256 [2025-03-17 07:13:36,096 INFO L226 Difference]: Without dead ends: 254 [2025-03-17 07:13:36,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:13:36,099 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 4 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:36,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1279 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 07:13:36,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-03-17 07:13:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2025-03-17 07:13:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 162 states have (on average 1.228395061728395) internal successors, (199), 163 states have internal predecessors, (199), 68 states have call successors, (68), 23 states have call predecessors, (68), 23 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-03-17 07:13:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 334 transitions. [2025-03-17 07:13:36,122 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 334 transitions. Word has length 180 [2025-03-17 07:13:36,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:36,123 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 334 transitions. [2025-03-17 07:13:36,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-03-17 07:13:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 334 transitions. [2025-03-17 07:13:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-17 07:13:36,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:36,129 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:36,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:13:36,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 07:13:36,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:36,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1231933306, now seen corresponding path program 1 times [2025-03-17 07:13:36,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357108348] [2025-03-17 07:13:36,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:40,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-17 07:13:40,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-17 07:13:40,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:40,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2025-03-17 07:13:41,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:41,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357108348] [2025-03-17 07:13:41,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357108348] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:41,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489759398] [2025-03-17 07:13:41,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:41,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:41,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:41,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:41,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:13:45,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-17 07:13:46,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-17 07:13:46,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:46,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:46,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 07:13:46,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:47,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 07:13:55,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-03-17 07:13:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-03-17 07:13:56,310 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:56,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489759398] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:56,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:56,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2025-03-17 07:13:56,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452057844] [2025-03-17 07:13:56,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:56,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 07:13:56,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:56,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 07:13:56,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2025-03-17 07:13:56,312 INFO L87 Difference]: Start difference. First operand 254 states and 334 transitions. Second operand has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2025-03-17 07:14:00,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:14:04,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:14:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:16,360 INFO L93 Difference]: Finished difference Result 471 states and 610 transitions. [2025-03-17 07:14:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 07:14:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 192 [2025-03-17 07:14:16,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:16,364 INFO L225 Difference]: With dead ends: 471 [2025-03-17 07:14:16,364 INFO L226 Difference]: Without dead ends: 308 [2025-03-17 07:14:16,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 154 SyntacticMatches, 27 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2025-03-17 07:14:16,366 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 241 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 43 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:16,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 3306 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 798 Invalid, 2 Unknown, 0 Unchecked, 18.6s Time] [2025-03-17 07:14:16,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-03-17 07:14:16,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 306. [2025-03-17 07:14:16,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 198 states have (on average 1.2171717171717171) internal successors, (241), 200 states have internal predecessors, (241), 74 states have call successors, (74), 32 states have call predecessors, (74), 33 states have return successors, (76), 73 states have call predecessors, (76), 73 states have call successors, (76) [2025-03-17 07:14:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 391 transitions. [2025-03-17 07:14:16,393 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 391 transitions. Word has length 192 [2025-03-17 07:14:16,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:16,394 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 391 transitions. [2025-03-17 07:14:16,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2025-03-17 07:14:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 391 transitions. [2025-03-17 07:14:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-17 07:14:16,396 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:16,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:16,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:14:16,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:16,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:16,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:16,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1222201941, now seen corresponding path program 1 times [2025-03-17 07:14:16,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:16,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96428456] [2025-03-17 07:14:16,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:16,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:20,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-17 07:14:20,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 07:14:20,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:20,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2025-03-17 07:14:21,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:21,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96428456] [2025-03-17 07:14:21,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96428456] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:21,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953419367] [2025-03-17 07:14:21,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:21,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:21,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:21,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:21,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:14:26,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-03-17 07:14:26,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 07:14:26,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:26,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:26,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 4714 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-17 07:14:26,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:28,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 07:14:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-03-17 07:14:29,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:29,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953419367] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:29,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:29,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2025-03-17 07:14:29,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461949588] [2025-03-17 07:14:29,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:29,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 07:14:29,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:29,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 07:14:29,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:14:29,881 INFO L87 Difference]: Start difference. First operand 306 states and 391 transitions. Second operand has 11 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31)