./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 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:02:58,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:02:58,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:02:58,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:02:58,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:02:58,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:02:58,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:02:58,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:02:58,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:02:58,889 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:02:58,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:02:58,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:02:58,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:02:58,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:02:58,892 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:02:58,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:02:58,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:02:58,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:02:58,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:02:58,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:02:58,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:02:58,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:02:58,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:02:58,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:02:58,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:02:58,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:02:58,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:02:58,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:02:58,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:02:58,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:02:58,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:02:58,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:02:58,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:02:58,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:02:58,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:02:58,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:02:58,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:02:58,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:02:58,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:02:58,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-11-16 20:02:59,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:02:59,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:02:59,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:02:59,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:02:59,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:02:59,170 INFO L431 ainManager$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 [2024-11-16 20:03:00,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:03:01,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:03:01,086 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-16 20:03:01,133 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819349e7b/c789daa709d2474fa4183a5add9f1780/FLAGee00328ed [2024-11-16 20:03:01,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819349e7b/c789daa709d2474fa4183a5add9f1780 [2024-11-16 20:03:01,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:03:01,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:03:01,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:01,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:03:01,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:03:01,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:01" (1/1) ... [2024-11-16 20:03:01,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75507537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:01, skipping insertion in model container [2024-11-16 20:03:01,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:03:01" (1/1) ... [2024-11-16 20:03:01,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:03:01,591 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] [2024-11-16 20:03:01,600 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] [2024-11-16 20:03:02,160 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,164 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,165 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,165 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,166 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,188 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,189 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,193 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,194 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,195 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,196 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,199 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,199 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,655 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,664 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,796 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,797 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,797 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,798 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,798 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,799 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,799 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,800 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,800 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,801 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,801 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,801 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,802 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,807 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,807 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,807 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,814 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,815 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,823 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,824 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,828 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:02,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:03:02,915 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] [2024-11-16 20:03:02,915 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] [2024-11-16 20:03:02,968 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,969 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,969 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,969 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,970 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,975 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,976 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,977 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,977 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,978 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,978 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,979 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:02,979 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,074 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-11-16 20:03:03,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,117 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,118 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,118 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,118 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,119 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,119 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,121 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,121 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,121 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,123 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,123 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,124 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,124 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,186 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,187 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,197 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,202 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,202 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:03:03,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:03:03,463 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:03:03,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03 WrapperNode [2024-11-16 20:03:03,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:03:03,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:03,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:03:03,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:03:03,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,648 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-16 20:03:03,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:03:03,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:03:03,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:03:03,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:03:03,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,782 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 81, 7, 5, 14, 3]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 5, 0, 0, 5, 1]. The 258 writes are split as follows [232, 0, 2, 17, 2, 2, 2, 1]. [2024-11-16 20:03:03,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,863 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:03:03,908 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:03:03,909 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:03:03,909 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:03:03,910 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (1/1) ... [2024-11-16 20:03:03,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:03:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:03:03,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 20:03:03,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 20:03:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-16 20:03:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-16 20:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 20:03:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 20:03:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 20:03:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 20:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:03:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:03:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 20:03:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:03:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 20:03:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 20:03:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:03:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:03:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:03:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:03:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:03:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:03:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:03:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:03:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:03:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:03:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:03:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 20:03:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:03:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:03:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:03:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:03:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 20:03:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 20:03:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 20:03:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 20:03:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 20:03:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 20:03:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:03:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:03:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:03:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:03:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:03:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:03:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:03:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 20:03:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 20:03:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 20:03:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-16 20:03:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-16 20:03:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:03:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:03:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:03:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 20:03:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 20:03:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:03:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 20:03:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-16 20:03:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-16 20:03:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:03:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:03:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:03:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:03:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:03:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:03:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:03:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 20:03:04,395 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:03:04,397 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:03:04,434 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-16 20:03:04,461 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 20:03:04,481 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2024-11-16 20:03:04,505 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2024-11-16 20:03:04,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8239: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2024-11-16 20:03:04,680 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 20:03:04,684 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:03:04,705 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8153: havoc ~node~1.base, ~node~1.offset; [2024-11-16 20:03:11,725 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-16 20:03:11,725 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:03:11,741 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:03:11,741 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:03:11,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:11 BoogieIcfgContainer [2024-11-16 20:03:11,742 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:03:11,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:03:11,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:03:11,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:03:11,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:03:01" (1/3) ... [2024-11-16 20:03:11,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5776d235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:11, skipping insertion in model container [2024-11-16 20:03:11,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:03" (2/3) ... [2024-11-16 20:03:11,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5776d235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:03:11, skipping insertion in model container [2024-11-16 20:03:11,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:03:11" (3/3) ... [2024-11-16 20:03:11,751 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-11-16 20:03:11,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:03:11,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:03:11,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:03:11,853 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;@1ed6cdc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:03:11,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:03:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 220 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 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) [2024-11-16 20:03:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 20:03:11,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:11,877 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] [2024-11-16 20:03:11,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:03:11,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:11,883 INFO L85 PathProgramCache]: Analyzing trace with hash 200978435, now seen corresponding path program 1 times [2024-11-16 20:03:11,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:11,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454604564] [2024-11-16 20:03:11,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:11,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:03:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:17,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:03:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:03:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:03:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:03:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:03:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:03:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:03:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:03:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:03:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:03:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:03:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:03:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:03:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:03:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:03:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:03:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 20:03:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:03:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 20:03:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:03:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-16 20:03:18,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:03:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454604564] [2024-11-16 20:03:18,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454604564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:03:18,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:03:18,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 20:03:18,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417749664] [2024-11-16 20:03:18,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:03:18,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 20:03:18,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:03:18,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 20:03:18,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 20:03:18,798 INFO L87 Difference]: Start difference. First operand has 220 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 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) [2024-11-16 20:03:22,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:27,293 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 [] [2024-11-16 20:03:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:03:33,196 INFO L93 Difference]: Finished difference Result 442 states and 629 transitions. [2024-11-16 20:03:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 20:03:33,203 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 [2024-11-16 20:03:33,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:03:33,218 INFO L225 Difference]: With dead ends: 442 [2024-11-16 20:03:33,219 INFO L226 Difference]: Without dead ends: 240 [2024-11-16 20:03:33,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 20:03:33,227 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 169 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-16 20:03:33,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 295 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 320 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2024-11-16 20:03:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-16 20:03:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 214. [2024-11-16 20:03:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 137 states have (on average 1.2043795620437956) internal successors, (165), 138 states have internal predecessors, (165), 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) [2024-11-16 20:03:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 282 transitions. [2024-11-16 20:03:33,297 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 282 transitions. Word has length 142 [2024-11-16 20:03:33,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:03:33,297 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 282 transitions. [2024-11-16 20:03:33,298 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) [2024-11-16 20:03:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2024-11-16 20:03:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 20:03:33,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:03:33,310 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] [2024-11-16 20:03:33,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 20:03:33,310 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:03:33,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:03:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash -248066558, now seen corresponding path program 1 times [2024-11-16 20:03:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:03:33,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286584864] [2024-11-16 20:03:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:03:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:03:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:03:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:03:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:03:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:03:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:03:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:03:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:03:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:03:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:03:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:03:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:03:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:03:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:03:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:03:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:03:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:03:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:03:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:03:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 20:03:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:03:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 20:03:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:03:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:03:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-16 20:03:42,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:03:42,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286584864] [2024-11-16 20:03:42,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286584864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 20:03:42,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 20:03:42,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 20:03:42,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260376743] [2024-11-16 20:03:42,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 20:03:42,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 20:03:42,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 20:03:42,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 20:03:42,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 20:03:42,677 INFO L87 Difference]: Start difference. First operand 214 states and 282 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) [2024-11-16 20:03:46,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:03:51,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 20:04:09,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 20:04:09,015 INFO L93 Difference]: Finished difference Result 250 states and 334 transitions. [2024-11-16 20:04:09,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 20:04:09,016 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 [2024-11-16 20:04:09,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 20:04:09,021 INFO L225 Difference]: With dead ends: 250 [2024-11-16 20:04:09,021 INFO L226 Difference]: Without dead ends: 248 [2024-11-16 20:04:09,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-16 20:04:09,022 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 180 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2024-11-16 20:04:09,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 834 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 986 Invalid, 2 Unknown, 0 Unchecked, 23.9s Time] [2024-11-16 20:04:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-16 20:04:09,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 221. [2024-11-16 20:04:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 141 states have (on average 1.198581560283688) internal successors, (169), 143 states have internal predecessors, (169), 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) [2024-11-16 20:04:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 291 transitions. [2024-11-16 20:04:09,049 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 291 transitions. Word has length 142 [2024-11-16 20:04:09,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 20:04:09,050 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 291 transitions. [2024-11-16 20:04:09,050 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) [2024-11-16 20:04:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 291 transitions. [2024-11-16 20:04:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 20:04:09,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:04:09,056 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] [2024-11-16 20:04:09,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 20:04:09,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:04:09,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:04:09,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1550282082, now seen corresponding path program 1 times [2024-11-16 20:04:09,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:04:09,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961702396] [2024-11-16 20:04:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:04:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 20:04:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 20:04:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 20:04:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 20:04:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:04:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 20:04:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 20:04:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 20:04:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:04:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:04:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:04:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 20:04:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:15,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 20:04:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 20:04:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 20:04:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 20:04:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 20:04:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 20:04:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 20:04:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 20:04:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 20:04:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 20:04:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 20:04:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:04:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-16 20:04:17,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:04:17,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961702396] [2024-11-16 20:04:17,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961702396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:04:17,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956237554] [2024-11-16 20:04:17,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:04:17,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:04:17,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:04:17,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 20:04:17,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 20:04:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:04:22,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 4559 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 20:04:22,896 INFO L278 TraceCheckSpWp]: Computing forward predicates...