./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_priority_queue_s_swap_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 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:57:26,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:57:26,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:57:26,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:57:26,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:57:26,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:57:26,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:57:26,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:57:26,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:57:26,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:57:26,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:57:26,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:57:26,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:57:26,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:57:26,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:57:26,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:57:26,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:57:26,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:57:26,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:57:26,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:57:26,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:57:26,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:57:26,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:57:26,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:57:26,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:57:26,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:57:26,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:57:26,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:57:26,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:57:26,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:57:26,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:57:26,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:57:26,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:57:26,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:57:26,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:57:26,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:57:26,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:57:26,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:57:26,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:57:26,943 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2024-11-12 08:57:27,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:57:27,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:57:27,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:57:27,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:57:27,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:57:27,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-12 08:57:28,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:57:29,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:57:29,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-12 08:57:29,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c9b90672/2a3f77f7797647409a4c6ee88420723e/FLAGc7f31fe50 [2024-11-12 08:57:29,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c9b90672/2a3f77f7797647409a4c6ee88420723e [2024-11-12 08:57:29,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:57:29,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:57:29,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:57:29,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:57:29,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:57:29,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:57:29" (1/1) ... [2024-11-12 08:57:29,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767fe705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:29, skipping insertion in model container [2024-11-12 08:57:29,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:57:29" (1/1) ... [2024-11-12 08:57:29,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:57:29,609 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_priority_queue_s_swap_harness.i[4499,4512] [2024-11-12 08:57:29,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2024-11-12 08:57:30,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,470 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,971 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:30,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:57:31,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:57:31,042 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_priority_queue_s_swap_harness.i[4499,4512] [2024-11-12 08:57:31,042 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_priority_queue_s_swap_harness.i[4559,4572] [2024-11-12 08:57:31,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,096 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-12 08:57:31,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:31,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:57:31,472 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:57:31,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31 WrapperNode [2024-11-12 08:57:31,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:57:31,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:57:31,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:57:31,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:57:31,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,626 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-12 08:57:31,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:57:31,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:57:31,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:57:31,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:57:31,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,806 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 3, 7, 5, 81, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 1, 0, 0, 5, 5]. The 258 writes are split as follows [232, 0, 2, 1, 2, 2, 17, 2]. [2024-11-12 08:57:31,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:57:31,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:57:31,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:57:31,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:57:31,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (1/1) ... [2024-11-12 08:57:31,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:57:31,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:57:32,000 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) [2024-11-12 08:57:32,027 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 [2024-11-12 08:57:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:57:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:57:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:57:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:57:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:57:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:57:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:57:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:57:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:57:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:57:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:57:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:57:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 08:57:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:57:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:57:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:57:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:57:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:57:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:57:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:57:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:57:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:57:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:57:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:57:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 08:57:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:57:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:57:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:57:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:57:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:57:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:57:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:57:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:57:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:57:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:57:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:57:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:57:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:57:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 08:57:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:57:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:57:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:57:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:57:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:57:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:57:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:57:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:57:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:57:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:57:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:57:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 08:57:32,410 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:57:32,413 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:57:38,424 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-12 08:57:38,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:57:38,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:57:38,450 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 08:57:38,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:57:38 BoogieIcfgContainer [2024-11-12 08:57:38,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:57:38,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:57:38,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:57:38,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:57:38,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:57:29" (1/3) ... [2024-11-12 08:57:38,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb0a334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:57:38, skipping insertion in model container [2024-11-12 08:57:38,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:31" (2/3) ... [2024-11-12 08:57:38,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb0a334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:57:38, skipping insertion in model container [2024-11-12 08:57:38,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:57:38" (3/3) ... [2024-11-12 08:57:38,461 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2024-11-12 08:57:38,476 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:57:38,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:57:38,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:57:38,556 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;@68efc3ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:57:38,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:57:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 08:57:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 08:57:38,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:57:38,578 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2024-11-12 08:57:38,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:57:38,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:57:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-12 08:57:38,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:57:38,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643293538] [2024-11-12 08:57:38,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:57:38,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:57:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:57:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:57:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:57:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:57:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:57:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:57:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:57:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:57:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:57:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:57:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:57:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:57:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:57:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:57:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:57:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:57:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 08:57:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 08:57:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:57:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:44,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:57:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-12 08:57:45,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:57:45,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643293538] [2024-11-12 08:57:45,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643293538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:57:45,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:57:45,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:57:45,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623207485] [2024-11-12 08:57:45,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:57:45,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:57:45,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:57:45,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:57:45,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:57:45,034 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 08:57:49,112 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 [] [2024-11-12 08:57:53,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:58:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:58:00,515 INFO L93 Difference]: Finished difference Result 439 states and 626 transitions. [2024-11-12 08:58:00,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:58:00,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-12 08:58:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:58:00,540 INFO L225 Difference]: With dead ends: 439 [2024-11-12 08:58:00,540 INFO L226 Difference]: Without dead ends: 239 [2024-11-12 08:58:00,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:58:00,556 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 167 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-12 08:58:00,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 293 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 319 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2024-11-12 08:58:00,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-12 08:58:00,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2024-11-12 08:58:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 137 states have internal predecessors, (164), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 08:58:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-12 08:58:00,638 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-12 08:58:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:58:00,639 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-12 08:58:00,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-12 08:58:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-12 08:58:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-12 08:58:00,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:58:00,643 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2024-11-12 08:58:00,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:58:00,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:58:00,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:58:00,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-12 08:58:00,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:58:00,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491516301] [2024-11-12 08:58:00,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:00,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:58:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:58:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:58:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:58:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:58:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:58:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:58:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:58:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:58:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:58:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:58:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:08,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:58:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:58:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:58:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:58:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:58:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 08:58:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 08:58:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:58:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:58:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-12 08:58:09,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:58:09,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491516301] [2024-11-12 08:58:09,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491516301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:58:09,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703119944] [2024-11-12 08:58:09,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:09,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:58:09,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:09,976 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) [2024-11-12 08:58:09,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:58:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-12 08:58:16,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:58:16,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-12 08:58:16,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-12 08:58:21,475 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= (store |c_old(#memory_$Pointer$#6.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#6.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#6.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#6.offset|) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= |c_#memory_$Pointer$#6.base| (store |c_old(#memory_$Pointer$#6.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#6.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#6.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8)))))) is different from true [2024-11-12 08:58:21,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-12 08:58:21,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-12 08:58:21,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-12 08:58:21,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-12 08:58:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 114 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 2 not checked. [2024-11-12 08:58:24,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 08:58:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-12 08:58:31,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703119944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 08:58:31,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 08:58:31,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 8] total 23 [2024-11-12 08:58:31,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265261478] [2024-11-12 08:58:31,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 08:58:31,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-12 08:58:31,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:58:31,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-12 08:58:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=410, Unknown=1, NotChecked=40, Total=506 [2024-11-12 08:58:31,304 INFO L87 Difference]: Start difference. First operand 213 states and 281 transitions. Second operand has 23 states, 19 states have (on average 4.7894736842105265) internal successors, (91), 17 states have internal predecessors, (91), 9 states have call successors, (45), 7 states have call predecessors, (45), 9 states have return successors, (41), 8 states have call predecessors, (41), 9 states have call successors, (41) [2024-11-12 08:58:35,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:58:57,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-12 08:59:06,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]