./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 023d838f 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-023d838-m [2024-11-10 11:02:55,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:02:55,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:02:55,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:02:55,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:02:55,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:02:55,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:02:55,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:02:55,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:02:55,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:02:55,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:02:55,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:02:55,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:02:55,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:02:55,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:02:55,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:02:55,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:02:55,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:02:55,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:02:55,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:02:55,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:02:55,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:02:55,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:02:55,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:02:55,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:02:55,390 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:02:55,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:02:55,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:02:55,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:02:55,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:02:55,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:02:55,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:02:55,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:02:55,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:02:55,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:02:55,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:02:55,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:02:55,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:02:55,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:02:55,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd [2024-11-10 11:02:55,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:02:55,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:02:55,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:02:55,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:02:55,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:02:55,638 INFO L431 ainManager$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 [2024-11-10 11:02:57,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:02:57,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:02:57,445 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-10 11:02:57,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e37d9b6/2d38280f03f540eab13b90e6dca3c730/FLAGd1b2cfa61 [2024-11-10 11:02:57,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e37d9b6/2d38280f03f540eab13b90e6dca3c730 [2024-11-10 11:02:57,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:02:57,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:02:57,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:02:57,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:02:57,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:02:57,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:57" (1/1) ... [2024-11-10 11:02:57,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7419757b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:57, skipping insertion in model container [2024-11-10 11:02:57,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:57" (1/1) ... [2024-11-10 11:02:57,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:02:57,882 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] [2024-11-10 11:02:57,888 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] [2024-11-10 11:02:58,364 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,366 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,366 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,378 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,379 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,380 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,380 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,385 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,386 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,386 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,387 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,753 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,757 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,845 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,845 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,846 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,846 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,850 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,856 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,858 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,858 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:02:58,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:02:58,917 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] [2024-11-10 11:02:58,920 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] [2024-11-10 11:02:58,952 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,953 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,953 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,954 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,955 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,960 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,960 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,961 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,961 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,962 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,962 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,963 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:58,963 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,026 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,029 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-10 11:02:59,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,056 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,114 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,116 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,117 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,123 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,127 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,132 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,135 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,135 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:59,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:02:59,292 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:02:59,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59 WrapperNode [2024-11-10 11:02:59,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:02:59,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:02:59,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:02:59,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:02:59,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,531 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1059 [2024-11-10 11:02:59,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:02:59,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:02:59,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:02:59,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:02:59,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,556 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,640 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 3, 17, 96, 261, 13]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 4, 0, 12, 11]. The 262 writes are split as follows [0, 1, 3, 18, 240, 0]. [2024-11-10 11:02:59,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,672 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:02:59,715 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:02:59,715 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:02:59,716 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:02:59,717 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (1/1) ... [2024-11-10 11:02:59,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:02:59,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:02:59,755 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) [2024-11-10 11:02:59,768 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 [2024-11-10 11:02:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-10 11:02:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-10 11:02:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-10 11:02:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-10 11:02:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:02:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 11:02:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 11:02:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 11:02:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 11:02:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:02:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:02:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-10 11:02:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-10 11:02:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:02:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:02:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:02:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:02:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:02:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:02:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:02:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:02:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:02:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:02:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:02:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:02:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-10 11:02:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:02:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-10 11:02:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 11:02:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 11:02:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:02:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:02:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:02:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 11:02:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:02:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:02:59,809 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:02:59,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:02:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 11:02:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-10 11:02:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-10 11:02:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:02:59,811 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:02:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 11:02:59,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:02:59,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:02:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-10 11:02:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-10 11:02:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:02:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-10 11:02:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-10 11:03:00,096 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:03:00,099 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:03:00,136 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-10 11:03:00,142 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:03:00,171 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2024-11-10 11:03:00,216 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2024-11-10 11:03:00,285 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8272: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2024-11-10 11:03:00,348 INFO L1247 $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; [2024-11-10 11:03:00,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:03:00,411 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8186: havoc ~node~1.base, ~node~1.offset; [2024-11-10 11:03:00,537 INFO L1247 $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; [2024-11-10 11:03:00,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2024-11-10 11:03:00,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2024-11-10 11:03:00,634 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2024-11-10 11:03:00,639 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7392: havoc #t~ret681.base, #t~ret681.offset; [2024-11-10 11:03:00,668 INFO L1247 $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; [2024-11-10 11:03:00,740 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2024-11-10 11:03:06,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8429-2: havoc aws_priority_queue_pop_#t~ret938#1; [2024-11-10 11:03:06,970 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2024-11-10 11:03:06,970 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2024-11-10 11:03:07,153 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-11-10 11:03:07,154 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:03:07,182 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:03:07,182 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:03:07,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:07 BoogieIcfgContainer [2024-11-10 11:03:07,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:03:07,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:03:07,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:03:07,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:03:07,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:02:57" (1/3) ... [2024-11-10 11:03:07,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3db65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:03:07, skipping insertion in model container [2024-11-10 11:03:07,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:59" (2/3) ... [2024-11-10 11:03:07,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3db65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:03:07, skipping insertion in model container [2024-11-10 11:03:07,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:07" (3/3) ... [2024-11-10 11:03:07,197 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2024-11-10 11:03:07,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:03:07,213 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 11:03:07,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:03:07,300 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;@522a19b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:03:07,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 11:03:07,308 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) [2024-11-10 11:03:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 11:03:07,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:03:07,326 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] [2024-11-10 11:03:07,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:03:07,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:03:07,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1932167900, now seen corresponding path program 1 times [2024-11-10 11:03:07,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:03:07,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168176263] [2024-11-10 11:03:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:03:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:03:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:03:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:03:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:03:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:03:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:03:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:03:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:03:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:03:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:03:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:03:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:03:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:03:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:03:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:03:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:03:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:03:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:03:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 11:03:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 11:03:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 11:03:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 11:03:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:16,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 11:03:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 11:03:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:16,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 11:03:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 11:03:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-10 11:03:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:03:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168176263] [2024-11-10 11:03:16,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168176263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:03:16,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:03:16,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 11:03:16,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239583445] [2024-11-10 11:03:16,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:03:16,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 11:03:16,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:03:16,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 11:03:16,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:03:16,093 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) [2024-11-10 11:03:20,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:03:24,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:03:28,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:03:49,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:03:49,529 INFO L93 Difference]: Finished difference Result 1074 states and 1814 transitions. [2024-11-10 11:03:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 11:03:49,533 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 [2024-11-10 11:03:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:03:49,548 INFO L225 Difference]: With dead ends: 1074 [2024-11-10 11:03:49,548 INFO L226 Difference]: Without dead ends: 634 [2024-11-10 11:03:49,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 11:03:49,558 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 339 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 550 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2024-11-10 11:03:49,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1055 Invalid, 1639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [550 Valid, 1086 Invalid, 3 Unknown, 0 Unchecked, 32.4s Time] [2024-11-10 11:03:49,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-10 11:03:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 453. [2024-11-10 11:03:49,658 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) [2024-11-10 11:03:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 641 transitions. [2024-11-10 11:03:49,672 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 641 transitions. Word has length 164 [2024-11-10 11:03:49,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:03:49,673 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 641 transitions. [2024-11-10 11:03:49,673 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) [2024-11-10 11:03:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 641 transitions. [2024-11-10 11:03:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 11:03:49,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:03:49,683 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] [2024-11-10 11:03:49,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:03:49,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:03:49,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:03:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1422270461, now seen corresponding path program 1 times [2024-11-10 11:03:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:03:49,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772485859] [2024-11-10 11:03:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:49,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:03:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:03:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:03:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:03:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:03:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:03:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:03:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:03:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:03:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:03:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:03:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:03:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:03:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:03:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:03:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:03:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:03:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:03:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:03:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 11:03:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 11:03:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 11:03:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 11:03:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 11:03:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 11:03:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 11:03:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 11:03:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-10 11:03:57,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:03:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772485859] [2024-11-10 11:03:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772485859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:03:57,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948773152] [2024-11-10 11:03:57,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:57,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:03:57,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:03:57,689 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) [2024-11-10 11:03:57,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 11:04:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:02,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 4543 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 11:04:02,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:04:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 11:04:04,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 11:04:04,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948773152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:04:04,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 11:04:04,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-10 11:04:04,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545632491] [2024-11-10 11:04:04,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:04:04,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 11:04:04,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:04:04,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 11:04:04,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 11:04:04,703 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) [2024-11-10 11:04:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:04:09,634 INFO L93 Difference]: Finished difference Result 857 states and 1231 transitions. [2024-11-10 11:04:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 11:04:09,635 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 [2024-11-10 11:04:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:04:09,644 INFO L225 Difference]: With dead ends: 857 [2024-11-10 11:04:09,644 INFO L226 Difference]: Without dead ends: 455 [2024-11-10 11:04:09,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 11:04:09,649 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 645 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-10 11:04:09,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 2229 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-10 11:04:09,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-10 11:04:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-10 11:04:09,703 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) [2024-11-10 11:04:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 655 transitions. [2024-11-10 11:04:09,708 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 655 transitions. Word has length 164 [2024-11-10 11:04:09,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:04:09,709 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 655 transitions. [2024-11-10 11:04:09,709 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) [2024-11-10 11:04:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 655 transitions. [2024-11-10 11:04:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-10 11:04:09,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:04:09,712 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] [2024-11-10 11:04:09,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 11:04:09,913 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 [2024-11-10 11:04:09,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:04:09,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:04:09,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1409761595, now seen corresponding path program 1 times [2024-11-10 11:04:09,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:04:09,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288057448] [2024-11-10 11:04:09,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:04:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:04:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:04:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:04:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:04:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:04:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:04:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:04:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:04:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:04:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:04:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:04:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:04:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:04:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:04:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:04:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:04:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:04:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:04:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-10 11:04:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 11:04:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:04:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 11:04:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 11:04:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 11:04:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 11:04:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 11:04:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-10 11:04:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 11:04:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 11:04:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-10 11:04:19,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:04:19,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288057448] [2024-11-10 11:04:19,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288057448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:04:19,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330331593] [2024-11-10 11:04:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:04:19,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:04:19,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:04:19,380 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) [2024-11-10 11:04:19,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 11:04:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:25,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 4593 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 11:04:25,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:04:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 11:04:28,024 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 11:04:28,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330331593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:04:28,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 11:04:28,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-10 11:04:28,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188317933] [2024-11-10 11:04:28,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:04:28,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 11:04:28,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:04:28,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 11:04:28,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-10 11:04:28,025 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)