./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_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 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:19:43,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:19:43,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:19:43,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:19:43,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:19:43,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:19:43,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:19:43,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:19:43,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:19:43,569 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:19:43,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:19:43,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:19:43,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:19:43,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:19:43,572 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:19:43,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:19:43,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:19:43,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:19:43,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:19:43,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:19:43,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:19:43,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:19:43,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:19:43,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:19:43,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:19:43,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:19:43,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:19:43,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:19:43,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:19:43,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:19:43,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:19:43,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:19:43,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:19:43,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:19:43,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:19:43,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:19:43,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:19:43,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:19:43,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:19:43,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-11-09 03:19:43,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:19:43,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:19:43,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:19:43,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:19:43,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:19:43,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-09 03:19:45,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:19:46,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:19:46,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-09 03:19:46,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65fbd6086/7486066476e5429d9a0a5d97f6643a7e/FLAGd4fd41981 [2024-11-09 03:19:46,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65fbd6086/7486066476e5429d9a0a5d97f6643a7e [2024-11-09 03:19:46,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:19:46,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:19:46,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:19:46,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:19:46,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:19:46,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:19:46" (1/1) ... [2024-11-09 03:19:46,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddaa97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:46, skipping insertion in model container [2024-11-09 03:19:46,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:19:46" (1/1) ... [2024-11-09 03:19:46,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:19:46,573 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-11-09 03:19:46,583 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-11-09 03:19:47,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:47,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,588 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,588 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,606 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,606 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,619 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,620 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:19:48,719 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:19:48,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-11-09 03:19:48,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-11-09 03:19:48,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-11-09 03:19:48,957 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,962 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:48,983 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:49,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:19:49,177 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:19:49,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49 WrapperNode [2024-11-09 03:19:49,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:19:49,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:19:49,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:19:49,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:19:49,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,486 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-09 03:19:49,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:19:49,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:19:49,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:19:49,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:19:49,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,625 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 7, 3, 81, 14, 5]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 0, 1, 5, 5, 0]. The 258 writes are split as follows [232, 0, 2, 2, 1, 17, 2, 2]. [2024-11-09 03:19:49,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:19:49,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:19:49,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:19:49,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:19:49,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (1/1) ... [2024-11-09 03:19:49,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:19:49,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:49,777 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) [2024-11-09 03:19:49,782 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 [2024-11-09 03:19:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:19:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:19:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:19:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 03:19:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 03:19:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:19:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:19:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:19:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:19:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:19:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:19:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:19:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:19:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:19:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:19:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:19:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:19:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:19:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:19:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:19:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:19:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:19:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:19:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:19:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:19:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:19:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:19:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:19:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:19:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:19:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:19:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:19:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:19:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:19:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:19:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:19:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:19:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:19:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:19:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:19:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:19:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:19:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:19:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:19:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:19:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:19:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:19:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:19:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:19:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:19:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:19:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:19:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:19:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:19:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:19:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:19:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:19:50,249 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:19:50,252 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:19:56,619 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-09 03:19:56,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:19:56,644 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:19:56,646 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:19:56,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:19:56 BoogieIcfgContainer [2024-11-09 03:19:56,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:19:56,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:19:56,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:19:56,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:19:56,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:19:46" (1/3) ... [2024-11-09 03:19:56,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be43dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:19:56, skipping insertion in model container [2024-11-09 03:19:56,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:49" (2/3) ... [2024-11-09 03:19:56,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be43dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:19:56, skipping insertion in model container [2024-11-09 03:19:56,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:19:56" (3/3) ... [2024-11-09 03:19:56,660 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-11-09 03:19:56,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:19:56,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:19:56,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:19:56,777 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;@65d52355, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:19:56,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:19:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 03:19:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 03:19:56,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:56,810 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:19:56,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:56,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:56,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-09 03:19:56,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:56,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681938353] [2024-11-09 03:19:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:56,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:20:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:20:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:20:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:20:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:20:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:20:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:20:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:20:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:20:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:20:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:20:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:20:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:20:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:20:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:20:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:20:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:20:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:20:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:20:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:20:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 03:20:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:20:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 03:20:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 03:20:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 03:20:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-09 03:20:04,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:20:04,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681938353] [2024-11-09 03:20:04,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681938353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:20:04,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:20:04,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:20:04,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619056617] [2024-11-09 03:20:04,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:20:04,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:20:04,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:20:04,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:20:04,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:20:04,241 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:20:08,351 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 [] [2024-11-09 03:20:12,758 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 [] [2024-11-09 03:20:19,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:20:19,052 INFO L93 Difference]: Finished difference Result 439 states and 626 transitions. [2024-11-09 03:20:19,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:20:19,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-09 03:20:19,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:20:19,067 INFO L225 Difference]: With dead ends: 439 [2024-11-09 03:20:19,067 INFO L226 Difference]: Without dead ends: 239 [2024-11-09 03:20:19,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:20:19,075 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 167 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:20:19,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 293 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 319 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2024-11-09 03:20:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-09 03:20:19,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2024-11-09 03:20:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 137 states have internal predecessors, (164), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 03:20:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-09 03:20:19,172 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-09 03:20:19,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:20:19,173 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-09 03:20:19,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 03:20:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-09 03:20:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 03:20:19,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:19,178 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:20:19,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:20:19,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:20:19,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:19,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-09 03:20:19,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:19,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133351016] [2024-11-09 03:20:19,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:19,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:20:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:20:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:20:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:20:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:20:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:20:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:20:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:20:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:20:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:20:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:20:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:20:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:20:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:28,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:20:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:20:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:20:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:20:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:20:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:20:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:20:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 03:20:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:20:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 03:20:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 03:20:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 03:20:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:20:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-09 03:20:29,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:20:29,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133351016] [2024-11-09 03:20:29,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133351016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:20:29,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:20:29,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 03:20:29,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170699099] [2024-11-09 03:20:29,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:20:29,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 03:20:29,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:20:29,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 03:20:29,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 03:20:29,901 INFO L87 Difference]: Start difference. First operand 213 states and 281 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 03:20:33,994 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 [] [2024-11-09 03:20:38,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:20:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:20:56,537 INFO L93 Difference]: Finished difference Result 249 states and 333 transitions. [2024-11-09 03:20:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 03:20:56,537 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-09 03:20:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:20:56,543 INFO L225 Difference]: With dead ends: 249 [2024-11-09 03:20:56,543 INFO L226 Difference]: Without dead ends: 247 [2024-11-09 03:20:56,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-09 03:20:56,545 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 178 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:20:56,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 840 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 985 Invalid, 2 Unknown, 0 Unchecked, 24.1s Time] [2024-11-09 03:20:56,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-09 03:20:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 220. [2024-11-09 03:20:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 140 states have (on average 1.2) internal successors, (168), 142 states have internal predecessors, (168), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (62), 59 states have call predecessors, (62), 59 states have call successors, (62) [2024-11-09 03:20:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 290 transitions. [2024-11-09 03:20:56,575 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 290 transitions. Word has length 142 [2024-11-09 03:20:56,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:20:56,576 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 290 transitions. [2024-11-09 03:20:56,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 03:20:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 290 transitions. [2024-11-09 03:20:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 03:20:56,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:56,579 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:20:56,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 03:20:56,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:20:56,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:56,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1906002031, now seen corresponding path program 1 times [2024-11-09 03:20:56,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:56,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132051616] [2024-11-09 03:20:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:21:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:21:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:21:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:21:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:21:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:21:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:21:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:21:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:21:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:21:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:21:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:21:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:21:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:21:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:02,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:21:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:21:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:21:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:21:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:21:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:21:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 03:21:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:21:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 03:21:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 03:21:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:03,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 03:21:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:21:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 03:21:04,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:21:04,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132051616] [2024-11-09 03:21:04,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132051616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:21:04,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:21:04,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 03:21:04,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296010537] [2024-11-09 03:21:04,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:21:04,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 03:21:04,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:21:04,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 03:21:04,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 03:21:04,181 INFO L87 Difference]: Start difference. First operand 220 states and 290 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23)