./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_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_pop_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 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:00:09,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:00:09,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:00:09,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:00:09,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:00:09,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:00:09,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:00:09,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:00:09,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:00:09,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:00:09,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:00:09,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:00:09,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:00:09,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:00:09,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:00:09,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:00:09,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:00:09,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:00:09,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:00:09,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:00:09,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:00:09,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:00:09,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:00:09,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:00:09,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:00:09,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:00:09,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:00:09,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:00:09,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:00:09,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:00:09,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:00:09,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:00:09,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:00:09,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:00:09,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:00:09,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:00:09,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:00:09,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:00:09,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:00:09,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd [2024-11-16 20:00:09,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:00:09,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:00:09,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:00:09,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:00:09,572 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:00:09,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-16 20:00:10,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:00:11,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:00:11,298 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-16 20:00:11,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83bb680e7/c0093689ad8f42dabbd4150854550879/FLAG00d4e3913 [2024-11-16 20:00:11,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83bb680e7/c0093689ad8f42dabbd4150854550879 [2024-11-16 20:00:11,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:00:11,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:00:11,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:00:11,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:00:11,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:00:11,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:11" (1/1) ... [2024-11-16 20:00:11,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f3486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:11, skipping insertion in model container [2024-11-16 20:00:11,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:00:11" (1/1) ... [2024-11-16 20:00:11,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:00:11,658 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_pop_harness.i[4496,4509] [2024-11-16 20:00:11,663 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_pop_harness.i[4556,4569] [2024-11-16 20:00:12,113 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,117 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,125 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,125 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,126 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,126 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,128 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,128 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,129 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,129 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,503 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,508 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,558 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,559 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,559 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,560 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,560 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,563 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,564 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,564 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,566 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,568 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,569 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,569 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,569 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,571 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,572 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,577 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,577 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:00:12,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:00:12,646 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_pop_harness.i[4496,4509] [2024-11-16 20:00:12,648 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_pop_harness.i[4556,4569] [2024-11-16 20:00:12,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,690 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,690 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,691 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,691 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,696 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,697 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,697 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,698 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,699 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,699 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,699 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,700 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,770 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,775 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-16 20:00:12,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,809 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,809 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,809 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,810 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,810 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,811 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,811 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,814 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,814 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,815 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,815 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,815 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,816 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,817 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:00:12,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:00:13,114 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:00:13,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13 WrapperNode [2024-11-16 20:00:13,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:00:13,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:00:13,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:00:13,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:00:13,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,276 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1059 [2024-11-16 20:00:13,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:00:13,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:00:13,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:00:13,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:00:13,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,380 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 3, 17, 13, 96, 261]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 4, 11, 0, 12]. The 262 writes are split as follows [0, 1, 3, 0, 18, 240]. [2024-11-16 20:00:13,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:00:13,473 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:00:13,473 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:00:13,473 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:00:13,474 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (1/1) ... [2024-11-16 20:00:13,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:00:13,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:00:13,505 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 20:00:13,515 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 20:00:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-16 20:00:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-16 20:00:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:00:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:00:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:00:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 20:00:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 20:00:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:00:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:00:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:00:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:00:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-16 20:00:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-16 20:00:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:00:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:00:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:00:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:00:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:00:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:00:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:00:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:00:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:00:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-16 20:00:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-16 20:00:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 20:00:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 20:00:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 20:00:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-16 20:00:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-16 20:00:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:00:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-16 20:00:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:00:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:00:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:00:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:00:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:00:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-16 20:00:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-16 20:00:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-16 20:00:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:00:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-16 20:00:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-16 20:00:13,882 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:00:13,884 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:00:13,907 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-16 20:00:13,910 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:00:13,926 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2024-11-16 20:00:13,949 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 20:00:13,993 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2024-11-16 20:00:14,057 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 20:00:14,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:00:14,103 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2024-11-16 20:00:14,177 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8382: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2024-11-16 20:00:14,200 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2024-11-16 20:00:14,200 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2024-11-16 20:00:14,217 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2024-11-16 20:00:14,222 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2024-11-16 20:00:14,252 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8082: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2024-11-16 20:00:14,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2024-11-16 20:00:19,945 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8429-2: havoc aws_priority_queue_pop_#t~ret938#1; [2024-11-16 20:00:20,180 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2024-11-16 20:00:20,180 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2024-11-16 20:00:20,282 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-11-16 20:00:20,283 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:00:20,309 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:00:20,309 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:00:20,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:00:20 BoogieIcfgContainer [2024-11-16 20:00:20,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:00:20,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:00:20,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:00:20,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:00:20,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:00:11" (1/3) ... [2024-11-16 20:00:20,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56712d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:20, skipping insertion in model container [2024-11-16 20:00:20,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:00:13" (2/3) ... [2024-11-16 20:00:20,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56712d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:00:20, skipping insertion in model container [2024-11-16 20:00:20,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:00:20" (3/3) ... [2024-11-16 20:00:20,323 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2024-11-16 20:00:20,347 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:00:20,348 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 20:00:20,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:00:20,448 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;@4841fc77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:00:20,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 20:00:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 268 states have (on average 1.2462686567164178) internal successors, (334), 272 states have internal predecessors, (334), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-16 20:00:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 20:00:20,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:20,465 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:00:20,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:20,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:20,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1932167900, now seen corresponding path program 1 times [2024-11-16 20:00:20,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:20,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058245189] [2024-11-16 20:00:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:00:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:00:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:00:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:00:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:00:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:00:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:00:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:00:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:00:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:00:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:00:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:00:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:00:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:00:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:00:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:00:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:00:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:00:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:00:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 20:00:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 20:00:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 20:00:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 20:00:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 20:00:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 20:00:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 20:00:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 20:00:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:00:26,654 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-16 20:00:26,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:00:26,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058245189] [2024-11-16 20:00:26,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058245189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:00:26,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:00:26,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 20:00:26,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763092103] [2024-11-16 20:00:26,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:00:26,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 20:00:26,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:00:26,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 20:00:26,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:00:26,686 INFO L87 Difference]: Start difference. First operand has 461 states, 268 states have (on average 1.2462686567164178) internal successors, (334), 272 states have internal predecessors, (334), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-16 20:00:30,757 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 20:00:35,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:39,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:00:59,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:00:59,114 INFO L93 Difference]: Finished difference Result 1074 states and 1814 transitions. [2024-11-16 20:00:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:00:59,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 164 [2024-11-16 20:00:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:00:59,140 INFO L225 Difference]: With dead ends: 1074 [2024-11-16 20:00:59,141 INFO L226 Difference]: Without dead ends: 634 [2024-11-16 20:00:59,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 20:00:59,160 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 339 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 544 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2024-11-16 20:00:59,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1059 Invalid, 1632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [544 Valid, 1085 Invalid, 3 Unknown, 0 Unchecked, 31.6s Time] [2024-11-16 20:00:59,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-16 20:00:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 453. [2024-11-16 20:00:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 262 states have (on average 1.217557251908397) internal successors, (319), 265 states have internal predecessors, (319), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-16 20:00:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 641 transitions. [2024-11-16 20:00:59,246 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 641 transitions. Word has length 164 [2024-11-16 20:00:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:00:59,246 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 641 transitions. [2024-11-16 20:00:59,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-16 20:00:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 641 transitions. [2024-11-16 20:00:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 20:00:59,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:00:59,255 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:00:59,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:00:59,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:00:59,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:00:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1422270461, now seen corresponding path program 1 times [2024-11-16 20:00:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:00:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485145312] [2024-11-16 20:00:59,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:00:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:01:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:01:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:01:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:01:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:01:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:01:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:01:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:01:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:01:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:01:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:01:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:01:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:01:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:01:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:04,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:01:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:01:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:01:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:01:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 20:01:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 20:01:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 20:01:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 20:01:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 20:01:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 20:01:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 20:01:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 20:01:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-16 20:01:05,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:01:05,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485145312] [2024-11-16 20:01:05,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485145312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:01:05,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988978272] [2024-11-16 20:01:05,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:05,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:01:05,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:01:05,957 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 20:01:05,958 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 20:01:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:11,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 4543 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 20:01:11,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:01:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-16 20:01:13,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:01:13,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988978272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:01:13,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:01:13,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-16 20:01:13,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636369912] [2024-11-16 20:01:13,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:01:13,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 20:01:13,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:01:13,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 20:01:13,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-16 20:01:13,205 INFO L87 Difference]: Start difference. First operand 453 states and 641 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-16 20:01:18,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:01:18,250 INFO L93 Difference]: Finished difference Result 857 states and 1231 transitions. [2024-11-16 20:01:18,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 20:01:18,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 164 [2024-11-16 20:01:18,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:01:18,261 INFO L225 Difference]: With dead ends: 857 [2024-11-16 20:01:18,261 INFO L226 Difference]: Without dead ends: 455 [2024-11-16 20:01:18,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-16 20:01:18,267 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 645 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-16 20:01:18,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 2229 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-16 20:01:18,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-16 20:01:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-16 20:01:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 263 states have (on average 1.2167300380228137) internal successors, (320), 267 states have internal predecessors, (320), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2024-11-16 20:01:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 655 transitions. [2024-11-16 20:01:18,397 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 655 transitions. Word has length 164 [2024-11-16 20:01:18,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:01:18,398 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 655 transitions. [2024-11-16 20:01:18,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-16 20:01:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 655 transitions. [2024-11-16 20:01:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 20:01:18,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:01:18,401 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:01:18,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 20:01:18,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:01:18,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:01:18,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:01:18,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1409761595, now seen corresponding path program 1 times [2024-11-16 20:01:18,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:01:18,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756442841] [2024-11-16 20:01:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:18,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:01:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:01:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:01:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:01:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:01:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:01:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:01:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:01:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:01:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:01:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:01:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:01:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:01:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:01:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:01:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:01:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:25,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:01:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 20:01:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 20:01:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 20:01:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 20:01:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 20:01:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 20:01:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 20:01:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 20:01:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 20:01:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 20:01:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 20:01:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-16 20:01:26,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:01:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756442841] [2024-11-16 20:01:26,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756442841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:01:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882266108] [2024-11-16 20:01:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:26,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:01:26,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:01:26,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:01:26,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 20:01:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:01:31,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 4593 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 20:01:31,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 20:01:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-16 20:01:34,168 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 20:01:34,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882266108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:01:34,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 20:01:34,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-16 20:01:34,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581189214] [2024-11-16 20:01:34,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:01:34,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 20:01:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:01:34,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 20:01:34,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-16 20:01:34,170 INFO L87 Difference]: Start difference. First operand 455 states and 655 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-16 20:01:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:01:44,248 INFO L93 Difference]: Finished difference Result 880 states and 1302 transitions. [2024-11-16 20:01:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 20:01:44,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 172 [2024-11-16 20:01:44,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:01:44,255 INFO L225 Difference]: With dead ends: 880 [2024-11-16 20:01:44,256 INFO L226 Difference]: Without dead ends: 476 [2024-11-16 20:01:44,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2024-11-16 20:01:44,259 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 678 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-16 20:01:44,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 3283 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-16 20:01:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-16 20:01:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 474. [2024-11-16 20:01:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 279 states have (on average 1.2258064516129032) internal successors, (342), 283 states have internal predecessors, (342), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2024-11-16 20:01:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 698 transitions. [2024-11-16 20:01:44,293 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 698 transitions. Word has length 172 [2024-11-16 20:01:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:01:44,295 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 698 transitions. [2024-11-16 20:01:44,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-16 20:01:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 698 transitions. [2024-11-16 20:01:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-16 20:01:44,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:01:44,300 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 20:01:44,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 20:01:44,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-16 20:01:44,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:01:44,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:01:44,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1840741060, now seen corresponding path program 1 times [2024-11-16 20:01:44,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:01:44,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121635822] [2024-11-16 20:01:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:01:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms