./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_push_ref_harness.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_push_ref_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 dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:13:15,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:13:15,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:13:15,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:13:15,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:13:15,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:13:15,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:13:15,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:13:15,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:13:15,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:13:15,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:13:15,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:13:15,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:13:15,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:13:15,780 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:13:15,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:13:15,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:13:15,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:13:15,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:13:15,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:13:15,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:13:15,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:13:15,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:13:15,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:13:15,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:13:15,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:13:15,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:13:15,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:13:15,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:13:15,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:13:15,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:13:15,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:13:15,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:13:15,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:13:15,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:13:15,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:13:15,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:13:15,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:13:15,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:13:15,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2024-11-20 10:13:16,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:13:16,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:13:16,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:13:16,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:13:16,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:13:16,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2024-11-20 10:13:17,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:13:18,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:13:18,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2024-11-20 10:13:18,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6552222f2/732ecd88d7e34552957ec1c105e1f516/FLAGb76f70965 [2024-11-20 10:13:18,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6552222f2/732ecd88d7e34552957ec1c105e1f516 [2024-11-20 10:13:18,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:13:18,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:13:18,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:13:18,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:13:18,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:13:18,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:13:18" (1/1) ... [2024-11-20 10:13:18,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393a189e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:18, skipping insertion in model container [2024-11-20 10:13:18,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:13:18" (1/1) ... [2024-11-20 10:13:18,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:13:18,796 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_push_ref_harness.i[4501,4514] [2024-11-20 10:13:18,808 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_push_ref_harness.i[4561,4574] [2024-11-20 10:13:20,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:20,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,613 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,617 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,619 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,634 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:13:21,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:13:21,804 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_push_ref_harness.i[4501,4514] [2024-11-20 10:13:21,805 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_push_ref_harness.i[4561,4574] [2024-11-20 10:13:21,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:21,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,005 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-20 10:13:22,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,066 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,067 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:13:22,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:13:22,286 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:13:22,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22 WrapperNode [2024-11-20 10:13:22,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:13:22,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:13:22,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:13:22,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:13:22,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,563 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1177 [2024-11-20 10:13:22,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:13:22,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:13:22,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:13:22,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:13:22,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,689 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [238, 2, 9, 104, 24, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 1, 0, 5, 2]. The 268 writes are split as follows [232, 0, 1, 26, 8, 1]. [2024-11-20 10:13:22,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:13:22,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:13:22,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:13:22,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:13:22,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (1/1) ... [2024-11-20 10:13:22,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:13:22,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:13:22,844 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 10:13:22,848 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 10:13:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-20 10:13:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-20 10:13:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-20 10:13:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-20 10:13:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:13:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:13:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:13:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 10:13:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 10:13:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:13:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:13:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 10:13:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-20 10:13:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:13:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:13:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:13:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:13:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-20 10:13:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-20 10:13:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 10:13:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 10:13:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:13:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:13:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:13:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:13:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:13:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:13:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:13:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:13:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:13:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:13:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 10:13:22,907 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 10:13:22,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:13:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:13:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 10:13:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 10:13:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-20 10:13:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-20 10:13:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 10:13:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 10:13:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 10:13:22,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-20 10:13:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-20 10:13:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-20 10:13:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 10:13:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 10:13:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 10:13:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-20 10:13:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-20 10:13:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:13:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 10:13:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-20 10:13:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 10:13:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 10:13:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:13:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:13:22,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:13:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:13:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:13:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2024-11-20 10:13:22,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2024-11-20 10:13:22,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-20 10:13:22,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-20 10:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:13:22,915 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:13:22,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 10:13:22,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 10:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:13:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:13:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-20 10:13:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-20 10:13:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-20 10:13:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:13:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:13:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:13:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:13:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:13:23,366 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:13:23,370 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:13:30,048 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-20 10:13:30,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:13:30,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:13:30,086 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-20 10:13:30,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:13:30 BoogieIcfgContainer [2024-11-20 10:13:30,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:13:30,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:13:30,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:13:30,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:13:30,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:13:18" (1/3) ... [2024-11-20 10:13:30,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d54600e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:13:30, skipping insertion in model container [2024-11-20 10:13:30,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:13:22" (2/3) ... [2024-11-20 10:13:30,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d54600e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:13:30, skipping insertion in model container [2024-11-20 10:13:30,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:13:30" (3/3) ... [2024-11-20 10:13:30,101 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2024-11-20 10:13:30,118 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:13:30,119 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 10:13:30,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:13:30,221 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;@c2341d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:13:30,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 10:13:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 553 states, 317 states have (on average 1.2397476340694007) internal successors, (393), 320 states have internal predecessors, (393), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-20 10:13:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-20 10:13:30,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:13:30,246 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-11-20 10:13:30,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:13:30,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:13:30,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1590182974, now seen corresponding path program 1 times [2024-11-20 10:13:30,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:13:30,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480708030] [2024-11-20 10:13:30,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:13:30,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:13:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:13:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:13:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:13:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:13:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:13:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:13:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:13:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:13:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:13:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:13:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:13:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:13:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:13:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:13:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:13:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:13:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:13:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 10:13:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 10:13:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 10:13:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 10:13:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 10:13:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 10:13:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 10:13:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 10:13:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 10:13:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 10:13:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 10:13:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 10:13:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-20 10:13:37,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:13:37,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480708030] [2024-11-20 10:13:37,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480708030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:13:37,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:13:37,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:13:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131023935] [2024-11-20 10:13:37,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:13:37,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:13:37,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:13:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:13:37,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:13:37,348 INFO L87 Difference]: Start difference. First operand has 553 states, 317 states have (on average 1.2397476340694007) internal successors, (393), 320 states have internal predecessors, (393), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-20 10:13:41,454 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 [] [2024-11-20 10:13:45,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:13:50,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:14:12,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:14:12,524 INFO L93 Difference]: Finished difference Result 1243 states and 2040 transitions. [2024-11-20 10:14:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:14:12,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 192 [2024-11-20 10:14:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:14:12,556 INFO L225 Difference]: With dead ends: 1243 [2024-11-20 10:14:12,556 INFO L226 Difference]: Without dead ends: 711 [2024-11-20 10:14:12,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:14:12,571 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 369 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 635 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:14:12,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1144 Invalid, 1834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [635 Valid, 1196 Invalid, 3 Unknown, 0 Unchecked, 34.2s Time] [2024-11-20 10:14:12,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-20 10:14:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 546. [2024-11-20 10:14:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 313 states have internal predecessors, (380), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2024-11-20 10:14:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 776 transitions. [2024-11-20 10:14:12,769 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 776 transitions. Word has length 192 [2024-11-20 10:14:12,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:14:12,772 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 776 transitions. [2024-11-20 10:14:12,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-20 10:14:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 776 transitions. [2024-11-20 10:14:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-20 10:14:12,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:14:12,785 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-11-20 10:14:12,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:14:12,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:14:12,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:14:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash 783198340, now seen corresponding path program 1 times [2024-11-20 10:14:12,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:14:12,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474506622] [2024-11-20 10:14:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:14:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:14:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:14:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:14:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:14:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:14:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:14:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:14:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:18,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:14:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:14:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:14:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:14:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:14:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:14:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:14:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:14:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:19,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:14:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:14:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:14:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:14:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:14:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 10:14:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:14:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 10:14:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 10:14:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 10:14:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 10:14:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 10:14:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 10:14:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 10:14:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 10:14:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:20,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 10:14:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 10:14:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 10:14:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-20 10:14:21,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:14:21,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474506622] [2024-11-20 10:14:21,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474506622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:14:21,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089828298] [2024-11-20 10:14:21,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:14:21,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:14:21,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:14:21,040 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 10:14:21,042 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 10:14:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:26,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 10:14:26,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 10:14:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-20 10:14:28,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 10:14:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089828298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:14:28,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 10:14:28,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-20 10:14:28,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502491368] [2024-11-20 10:14:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:14:28,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 10:14:28,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:14:28,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 10:14:28,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-20 10:14:28,409 INFO L87 Difference]: Start difference. First operand 546 states and 776 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-20 10:14:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:14:32,629 INFO L93 Difference]: Finished difference Result 1046 states and 1498 transitions. [2024-11-20 10:14:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 10:14:32,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2024-11-20 10:14:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:14:32,646 INFO L225 Difference]: With dead ends: 1046 [2024-11-20 10:14:32,646 INFO L226 Difference]: Without dead ends: 548 [2024-11-20 10:14:32,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-20 10:14:32,655 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 764 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-20 10:14:32,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2876 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-20 10:14:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-20 10:14:32,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-20 10:14:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 315 states have internal predecessors, (381), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2024-11-20 10:14:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 785 transitions. [2024-11-20 10:14:32,748 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 785 transitions. Word has length 192 [2024-11-20 10:14:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:14:32,750 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 785 transitions. [2024-11-20 10:14:32,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-20 10:14:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 785 transitions. [2024-11-20 10:14:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-20 10:14:32,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:14:32,758 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:14:32,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 10:14:32,959 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 10:14:32,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:14:32,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:14:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1731214896, now seen corresponding path program 1 times [2024-11-20 10:14:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:14:32,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801032920] [2024-11-20 10:14:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:14:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:14:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:14:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:14:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:14:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:14:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:14:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:14:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:14:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:14:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:14:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:14:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:14:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:14:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:14:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:14:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:14:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:39,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:14:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:14:40,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:14:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat