./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 3289d67d 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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:01:50,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:01:50,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:01:50,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:01:50,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:01:50,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:01:50,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:01:50,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:01:50,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:01:50,290 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:01:50,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:01:50,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:01:50,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:01:50,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:01:50,292 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:01:50,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:01:50,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:01:50,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:01:50,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:01:50,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:01:50,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:01:50,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:01:50,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:01:50,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:01:50,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:01:50,297 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:01:50,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:01:50,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:01:50,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:01:50,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:01:50,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:01:50,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:01:50,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:01:50,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:01:50,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:01:50,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:01:50,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:01:50,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:01:50,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:01:50,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2024-11-16 20:01:50,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:01:50,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:01:50,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:01:50,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:01:50,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:01:50,563 INFO L431 ainManager$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 [2024-11-16 20:01:51,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:01:52,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:01:52,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-16 20:01:52,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a76fb40/5f4c9259847b474aac367a19879cd2a7/FLAG75a109e23 [2024-11-16 20:01:52,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a76fb40/5f4c9259847b474aac367a19879cd2a7 [2024-11-16 20:01:52,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:01:52,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:01:52,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:01:52,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:01:52,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:01:52,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:52" (1/1) ... [2024-11-16 20:01:52,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272aa203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:52, skipping insertion in model container [2024-11-16 20:01:52,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:52" (1/1) ... [2024-11-16 20:01:52,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:01:52,729 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] [2024-11-16 20:01:52,737 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] [2024-11-16 20:01:53,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,247 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,247 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,248 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,249 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,257 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,258 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,259 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,260 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,261 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,751 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,760 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,884 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,885 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,885 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,885 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,886 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,886 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,886 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,887 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,887 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,887 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,888 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,888 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,888 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,894 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,895 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,895 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,895 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,902 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,908 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,909 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,909 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:53,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:01:54,004 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:01:54,022 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] [2024-11-16 20:01:54,022 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] [2024-11-16 20:01:54,053 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,059 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,059 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,060 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,060 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,061 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,061 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,061 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,061 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,194 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,197 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-16 20:01:54,256 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,257 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,257 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,257 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,257 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,261 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,263 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,263 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,264 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,265 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,265 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,265 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,266 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,270 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,274 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,277 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,277 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:01:54,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:01:54,517 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:01:54,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54 WrapperNode [2024-11-16 20:01:54,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:01:54,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:01:54,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:01:54,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:01:54,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,655 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-16 20:01:54,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:01:54,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:01:54,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:01:54,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:01:54,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,746 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 3, 5, 81, 7, 5, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 1, 0, 5, 0, 0, 5]. The 258 writes are split as follows [232, 0, 1, 2, 17, 2, 2, 2]. [2024-11-16 20:01:54,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,782 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:01:54,825 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:01:54,825 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:01:54,825 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:01:54,826 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (1/1) ... [2024-11-16 20:01:54,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:01:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:01:54,867 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) [2024-11-16 20:01:54,877 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 [2024-11-16 20:01:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:01:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:01:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:01:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 20:01:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 20:01:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:01:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:01:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:01:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:01:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:01:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:01:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:01:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:01:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:01:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:01:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:01:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 20:01:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:01:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:01:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:01:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:01:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:01:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:01:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:01:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:01:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:01:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:01:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 20:01:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 20:01:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:01:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:01:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:01:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:01:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:01:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:01:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:01:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:01:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:01:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:01:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:01:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 20:01:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:01:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:01:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:01:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:01:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:01:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:01:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:01:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:01:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:01:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:01:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:01:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:01:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 20:01:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:01:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:01:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-16 20:01:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:01:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:01:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 20:01:55,242 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:01:55,245 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:01:55,281 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-16 20:01:55,297 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:01:55,320 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2024-11-16 20:01:55,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2024-11-16 20:01:55,391 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8271: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2024-11-16 20:01:55,443 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 20:01:55,445 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:01:55,456 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8185: havoc ~node~1.base, ~node~1.offset; [2024-11-16 20:02:01,776 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-16 20:02:01,776 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:02:01,788 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:02:01,788 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:02:01,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:02:01 BoogieIcfgContainer [2024-11-16 20:02:01,789 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:02:01,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:02:01,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:02:01,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:02:01,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:01:52" (1/3) ... [2024-11-16 20:02:01,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519dd221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:02:01, skipping insertion in model container [2024-11-16 20:02:01,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:54" (2/3) ... [2024-11-16 20:02:01,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519dd221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:02:01, skipping insertion in model container [2024-11-16 20:02:01,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:02:01" (3/3) ... [2024-11-16 20:02:01,795 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2024-11-16 20:02:01,807 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:02:01,807 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:02:01,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:02:01,879 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;@19237286, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:02:01,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:02:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 220 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 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) [2024-11-16 20:02:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 20:02:01,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:02:01,903 INFO L215 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] [2024-11-16 20:02:01,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:02:01,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:02:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash 200978435, now seen corresponding path program 1 times [2024-11-16 20:02:01,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:02:01,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965541546] [2024-11-16 20:02:01,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:02:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:02:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:02:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:02:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:02:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:02:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:02:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:02:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:02:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:02:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:02:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:02:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:02:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:02:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:02:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:02:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:02:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:02:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:02:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:02:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:02:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:02:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 20:02:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:02:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 20:02:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:02:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-16 20:02:08,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:02:08,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965541546] [2024-11-16 20:02:08,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965541546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:02:08,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:02:08,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:02:08,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766093253] [2024-11-16 20:02:08,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:02:08,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:02:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:02:08,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:02:08,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:02:08,173 INFO L87 Difference]: Start difference. First operand has 220 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 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) [2024-11-16 20:02:12,248 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 [] [2024-11-16 20:02:16,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:02:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:02:23,468 INFO L93 Difference]: Finished difference Result 442 states and 629 transitions. [2024-11-16 20:02:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:02:23,479 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 [2024-11-16 20:02:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:02:23,501 INFO L225 Difference]: With dead ends: 442 [2024-11-16 20:02:23,501 INFO L226 Difference]: Without dead ends: 240 [2024-11-16 20:02:23,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:02:23,508 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 169 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2024-11-16 20:02:23,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 295 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 320 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2024-11-16 20:02:23,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-16 20:02:23,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 214. [2024-11-16 20:02:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 137 states have (on average 1.2043795620437956) internal successors, (165), 138 states have internal predecessors, (165), 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) [2024-11-16 20:02:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 282 transitions. [2024-11-16 20:02:23,568 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 282 transitions. Word has length 142 [2024-11-16 20:02:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:02:23,568 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 282 transitions. [2024-11-16 20:02:23,569 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) [2024-11-16 20:02:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2024-11-16 20:02:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 20:02:23,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:02:23,572 INFO L215 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] [2024-11-16 20:02:23,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:02:23,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:02:23,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:02:23,573 INFO L85 PathProgramCache]: Analyzing trace with hash -248066558, now seen corresponding path program 1 times [2024-11-16 20:02:23,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:02:23,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659169319] [2024-11-16 20:02:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:02:23,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:02:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:02:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:02:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:02:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:02:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:02:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:02:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:02:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:02:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:02:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:02:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:02:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:02:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:02:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:02:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:02:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:02:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:31,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:02:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:02:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:02:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:02:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 20:02:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:02:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 20:02:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:02:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-16 20:02:32,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:02:32,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659169319] [2024-11-16 20:02:32,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659169319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:02:32,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77371205] [2024-11-16 20:02:32,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:02:32,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:02:32,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:02:32,427 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) [2024-11-16 20:02:32,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:02:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:02:38,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-16 20:02:38,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:02:38,639 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 [2024-11-16 20:02:38,696 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 [2024-11-16 20:02:43,377 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= |c_#memory_$Pointer$#4.base| (store |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8)))) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#4.offset|))) is different from true [2024-11-16 20:02:43,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 20:02:43,542 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 [2024-11-16 20:02:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 20:02:43,617 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 [2024-11-16 20:02:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 114 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 2 not checked. [2024-11-16 20:02:46,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 20:02:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-16 20:02:51,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77371205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 20:02:51,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 20:02:51,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 8] total 23 [2024-11-16 20:02:51,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108663777] [2024-11-16 20:02:51,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 20:02:51,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 20:02:51,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:02:51,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 20:02:51,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=410, Unknown=1, NotChecked=40, Total=506 [2024-11-16 20:02:51,938 INFO L87 Difference]: Start difference. First operand 214 states and 282 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) [2024-11-16 20:02:55,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:00,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:21,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]