./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.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 c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:11:53,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:11:54,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:11:54,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:11:54,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:11:54,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:11:54,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:11:54,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:11:54,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:11:54,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:11:54,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:11:54,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:11:54,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:11:54,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:11:54,145 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:11:54,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:11:54,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:11:54,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:11:54,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:11:54,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:11:54,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:11:54,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:11:54,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:11:54,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:11:54,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:11:54,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:11:54,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:11:54,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:11:54,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:11:54,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:11:54,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:11:54,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:11:54,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2024-11-20 10:11:54,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:11:54,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:11:54,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:11:54,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:11:54,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:11:54,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-20 10:11:55,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:11:56,165 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:11:56,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-20 10:11:56,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edd79e8e1/ade2ab2369974e5a8656b3dfed3782dd/FLAG5f0a12761 [2024-11-20 10:11:56,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edd79e8e1/ade2ab2369974e5a8656b3dfed3782dd [2024-11-20 10:11:56,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:11:56,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:11:56,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:11:56,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:11:56,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:11:56,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:56" (1/1) ... [2024-11-20 10:11:56,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c54c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:56, skipping insertion in model container [2024-11-20 10:11:56,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:56" (1/1) ... [2024-11-20 10:11:56,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:11:56,616 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_negated.i[4496,4509] [2024-11-20 10:11:56,624 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_negated.i[4556,4569] [2024-11-20 10:11:57,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,444 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,785 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:11:57,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:11:57,944 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_negated.i[4496,4509] [2024-11-20 10:11:57,946 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_negated.i[4556,4569] [2024-11-20 10:11:57,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,988 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:57,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-20 10:11:58,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,091 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,092 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,096 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:58,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:11:58,338 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:11:58,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58 WrapperNode [2024-11-20 10:11:58,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:11:58,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:11:58,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:11:58,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:11:58,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,499 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1062 [2024-11-20 10:11:58,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:11:58,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:11:58,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:11:58,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:11:58,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,603 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 13, 3, 17, 96, 261]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 11, 1, 4, 0, 12]. The 262 writes are split as follows [0, 0, 1, 3, 18, 240]. [2024-11-20 10:11:58,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:11:58,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:11:58,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:11:58,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:11:58,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (1/1) ... [2024-11-20 10:11:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:11:58,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:11:58,715 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) [2024-11-20 10:11:58,719 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 [2024-11-20 10:11:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-20 10:11:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-20 10:11:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:11:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:11:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:11:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 10:11:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 10:11:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:11:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:11:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:11:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:11:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-20 10:11:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:11:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:11:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:11:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:11:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:11:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:11:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:11:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-20 10:11:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-20 10:11:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:11:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-20 10:11:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 10:11:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:11:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:11:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:11:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:11:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:11:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-20 10:11:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 10:11:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-20 10:11:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-20 10:11:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:11:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 10:11:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-20 10:11:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:11:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:11:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-20 10:11:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:11:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:11:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:11:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:11:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-20 10:11:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-20 10:11:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:11:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-20 10:11:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-20 10:11:59,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:11:59,075 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:12:04,987 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-20 10:12:04,988 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:12:05,022 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:12:05,022 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-20 10:12:05,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:05 BoogieIcfgContainer [2024-11-20 10:12:05,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:12:05,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:12:05,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:12:05,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:12:05,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:11:56" (1/3) ... [2024-11-20 10:12:05,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af40475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:05, skipping insertion in model container [2024-11-20 10:12:05,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:58" (2/3) ... [2024-11-20 10:12:05,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af40475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:05, skipping insertion in model container [2024-11-20 10:12:05,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:05" (3/3) ... [2024-11-20 10:12:05,031 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2024-11-20 10:12:05,046 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:12:05,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 10:12:05,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:12:05,126 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;@190f3163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:12:05,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 10:12:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 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) [2024-11-20 10:12:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 10:12:05,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:05,153 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] [2024-11-20 10:12:05,153 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:05,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:05,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1039494375, now seen corresponding path program 1 times [2024-11-20 10:12:05,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:05,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926598859] [2024-11-20 10:12:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:12:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:12:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:12:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:12:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:12:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:12:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:12:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:12:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:12:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:12:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:12:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:12:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:12:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:12:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:12:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:12:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:12:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:12:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:12:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 10:12:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 10:12:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 10:12:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 10:12:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 10:12:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 10:12:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 10:12:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 10:12:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-20 10:12:11,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:12:11,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926598859] [2024-11-20 10:12:11,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926598859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:12:11,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:12:11,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:12:11,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745962139] [2024-11-20 10:12:11,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:12:11,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:12:11,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:12:11,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:12:11,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:12:11,107 INFO L87 Difference]: Start difference. First operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 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 11.4) internal successors, (57), 2 states have internal predecessors, (57), 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) [2024-11-20 10:12:15,181 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 [] [2024-11-20 10:12:19,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:23,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:43,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:12:43,242 INFO L93 Difference]: Finished difference Result 1067 states and 1807 transitions. [2024-11-20 10:12:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:12:43,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 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 163 [2024-11-20 10:12:43,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:12:43,270 INFO L225 Difference]: With dead ends: 1067 [2024-11-20 10:12:43,270 INFO L226 Difference]: Without dead ends: 631 [2024-11-20 10:12:43,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:12:43,285 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 337 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 566 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 566 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2024-11-20 10:12:43,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1017 Invalid, 1641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [566 Valid, 1072 Invalid, 3 Unknown, 0 Unchecked, 31.3s Time] [2024-11-20 10:12:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-20 10:12:43,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2024-11-20 10:12:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 259 states have (on average 1.22007722007722) internal successors, (316), 262 states have internal predecessors, (316), 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) [2024-11-20 10:12:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2024-11-20 10:12:43,419 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 163 [2024-11-20 10:12:43,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:12:43,420 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2024-11-20 10:12:43,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 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) [2024-11-20 10:12:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2024-11-20 10:12:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 10:12:43,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:43,424 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] [2024-11-20 10:12:43,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:12:43,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:43,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:43,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1287744279, now seen corresponding path program 1 times [2024-11-20 10:12:43,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:43,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958439556] [2024-11-20 10:12:43,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:43,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:12:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:12:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:12:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:12:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:12:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:12:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:12:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:12:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:12:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:12:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:12:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:12:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:12:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:12:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:12:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:12:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:12:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:49,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:12:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:12:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 10:12:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 10:12:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 10:12:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 10:12:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 10:12:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 10:12:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 10:12:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 10:12:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-20 10:12:50,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:12:50,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958439556] [2024-11-20 10:12:50,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958439556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:12:50,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809089020] [2024-11-20 10:12:50,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:50,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:12:50,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:12:50,208 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) [2024-11-20 10:12:50,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 10:12:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:55,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 10:12:55,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 10:12:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-20 10:12:57,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 10:12:57,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809089020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:12:57,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 10:12:57,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-20 10:12:57,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516230213] [2024-11-20 10:12:57,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:12:57,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 10:12:57,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:12:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 10:12:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-20 10:12:57,551 INFO L87 Difference]: Start difference. First operand 450 states and 638 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-11-20 10:13:02,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:13:02,670 INFO L93 Difference]: Finished difference Result 851 states and 1225 transitions. [2024-11-20 10:13:02,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 10:13:02,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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 163 [2024-11-20 10:13:02,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:13:02,680 INFO L225 Difference]: With dead ends: 851 [2024-11-20 10:13:02,681 INFO L226 Difference]: Without dead ends: 452 [2024-11-20 10:13:02,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-20 10:13:02,685 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 641 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-20 10:13:02,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 2218 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-20 10:13:02,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-20 10:13:02,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-20 10:13:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 264 states have internal predecessors, (317), 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) [2024-11-20 10:13:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 652 transitions. [2024-11-20 10:13:02,727 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 652 transitions. Word has length 163 [2024-11-20 10:13:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:13:02,728 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 652 transitions. [2024-11-20 10:13:02,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-11-20 10:13:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 652 transitions. [2024-11-20 10:13:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-20 10:13:02,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:13:02,736 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] [2024-11-20 10:13:02,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 10:13:02,936 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 [2024-11-20 10:13:02,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:13:02,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:13:02,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1058970457, now seen corresponding path program 1 times [2024-11-20 10:13:02,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:13:02,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352235238] [2024-11-20 10:13:02,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:13:02,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:13:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:13:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:13:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:13:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:13:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:13:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:13:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:13:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:07,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:13:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:13:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:13:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:13:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:13:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:13:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:13:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:13:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 10:13:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 10:13:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 10:13:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 10:13:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 10:13:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 10:13:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 10:13:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 10:13:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 10:13:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 10:13:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-20 10:13:09,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:13:09,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352235238] [2024-11-20 10:13:09,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352235238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:13:09,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571798336] [2024-11-20 10:13:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:13:09,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:13:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:13:09,887 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) [2024-11-20 10:13:09,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 10:13:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:17,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 10:13:17,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 10:13:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-20 10:13:20,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 10:13:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571798336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:13:20,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 10:13:20,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-20 10:13:20,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696537279] [2024-11-20 10:13:20,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:13:20,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 10:13:20,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:13:20,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 10:13:20,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-20 10:13:20,845 INFO L87 Difference]: Start difference. First operand 452 states and 652 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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)