./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_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 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:59:56,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:59:56,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 12:59:56,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:59:56,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:59:56,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:59:56,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:59:56,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:59:56,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:59:56,736 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:59:56,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:59:56,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:59:56,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:59:56,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:59:56,741 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:59:56,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:59:56,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:59:56,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:59:56,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:59:56,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:59:56,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:59:56,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:59:56,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:59:56,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:59:56,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:59:56,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:59:56,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:59:56,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:59:56,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:59:56,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:59:56,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:59:56,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:59:56,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:59:56,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:59:56,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:59:56,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:59:56,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:59:56,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:59:56,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:59:56,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2024-10-24 12:59:56,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:59:57,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:59:57,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:59:57,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:59:57,013 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:59:57,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2024-10-24 12:59:58,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:59:58,873 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:59:58,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2024-10-24 12:59:58,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7bf131b0/40f78f9554db47df80cb3d6ac0705676/FLAG1b61f7d0b [2024-10-24 12:59:59,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7bf131b0/40f78f9554db47df80cb3d6ac0705676 [2024-10-24 12:59:59,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:59:59,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:59:59,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:59:59,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:59:59,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:59:59,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:59:59" (1/1) ... [2024-10-24 12:59:59,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cce93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:59:59, skipping insertion in model container [2024-10-24 12:59:59,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:59:59" (1/1) ... [2024-10-24 12:59:59,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 12:59:59,505 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2024-10-24 12:59:59,514 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2024-10-24 13:00:00,262 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,262 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,264 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,265 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,266 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,283 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,285 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,289 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,290 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,292 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,295 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,296 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,297 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,710 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,716 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,796 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,797 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,798 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,798 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,798 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,799 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,799 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,800 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,800 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,800 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,801 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,802 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,802 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,805 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,806 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,806 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,806 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,809 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,810 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,816 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,817 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,817 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:00:00,869 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:00:00,887 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2024-10-24 13:00:00,888 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2024-10-24 13:00:00,928 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,928 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,929 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,929 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,930 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,936 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,937 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,938 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,943 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,944 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,945 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,945 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:00,946 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,128 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,141 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-10-24 13:00:01,179 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,180 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,181 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,181 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,182 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,182 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,183 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,184 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,184 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,185 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,185 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,185 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,185 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,186 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,186 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,187 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,187 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,189 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,189 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,194 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,195 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,195 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:00:01,411 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:00:01,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01 WrapperNode [2024-10-24 13:00:01,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:00:01,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:00:01,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:00:01,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:00:01,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,600 INFO L138 Inliner]: procedures = 686, calls = 1880, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1173 [2024-10-24 13:00:01,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:00:01,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:00:01,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:00:01,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:00:01,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,630 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,757 INFO L175 MemorySlicer]: Split 380 memory accesses to 6 slices as follows [2, 236, 7, 9, 24, 102]. 62 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [2, 236, 2, 1, 5, 11]. The 23 writes are split as follows [0, 0, 1, 1, 8, 13]. [2024-10-24 13:00:01,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:00:01,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:00:01,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:00:01,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:00:01,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (1/1) ... [2024-10-24 13:00:01,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:00:01,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:01,928 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) [2024-10-24 13:00:01,932 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 [2024-10-24 13:00:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-10-24 13:00:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-10-24 13:00:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-10-24 13:00:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-10-24 13:00:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-24 13:00:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-24 13:00:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:00:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-24 13:00:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-24 13:00:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-24 13:00:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-24 13:00:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-24 13:00:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-24 13:00:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-10-24 13:00:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-10-24 13:00:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-10-24 13:00:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-10-24 13:00:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:00:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:00:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:00:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:00:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:00:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:00:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-24 13:00:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-24 13:00:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 13:00:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 13:00:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:00:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:00:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-10-24 13:00:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-10-24 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-24 13:00:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-24 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:00:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 13:00:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 13:00:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-24 13:00:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-24 13:00:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-24 13:00:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-24 13:00:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-24 13:00:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-24 13:00:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-24 13:00:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-24 13:00:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-24 13:00:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-24 13:00:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-24 13:00:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-24 13:00:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:00:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:00:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:00:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:00:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:00:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:00:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:00:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:00:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:00:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:00:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:00:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:00:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:00:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:00:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-24 13:00:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-24 13:00:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-10-24 13:00:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-10-24 13:00:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-10-24 13:00:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-10-24 13:00:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-24 13:00:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:00:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:00:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:00:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:00:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2024-10-24 13:00:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2024-10-24 13:00:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-10-24 13:00:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-10-24 13:00:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-24 13:00:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-24 13:00:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-24 13:00:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-24 13:00:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-24 13:00:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:00:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-24 13:00:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-24 13:00:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-10-24 13:00:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-10-24 13:00:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-24 13:00:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-24 13:00:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-24 13:00:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-24 13:00:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:00:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:00:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:00:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:00:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:00:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:00:02,431 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:00:02,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:00:03,688 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-10-24 13:00:03,689 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:00:03,803 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:00:03,803 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-24 13:00:03,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:00:03 BoogieIcfgContainer [2024-10-24 13:00:03,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:00:03,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:00:03,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:00:03,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:00:03,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:59:59" (1/3) ... [2024-10-24 13:00:03,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4026b401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:00:03, skipping insertion in model container [2024-10-24 13:00:03,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:01" (2/3) ... [2024-10-24 13:00:03,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4026b401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:00:03, skipping insertion in model container [2024-10-24 13:00:03,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:00:03" (3/3) ... [2024-10-24 13:00:03,813 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2024-10-24 13:00:03,830 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:00:03,830 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 13:00:03,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:00:03,927 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;@4ef0aada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:00:03,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 13:00:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 518 states, 282 states have (on average 1.2695035460992907) internal successors, (358), 285 states have internal predecessors, (358), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2024-10-24 13:00:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-24 13:00:03,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:03,960 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:03,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:03,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:03,966 INFO L85 PathProgramCache]: Analyzing trace with hash -535152766, now seen corresponding path program 1 times [2024-10-24 13:00:03,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092835474] [2024-10-24 13:00:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:00:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:00:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 13:00:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:00:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:00:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:00:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:00:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 13:00:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:00:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 13:00:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-10-24 13:00:05,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:05,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092835474] [2024-10-24 13:00:05,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092835474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:05,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:05,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:00:05,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593178723] [2024-10-24 13:00:05,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:05,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:00:05,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:05,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:00:05,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:00:05,148 INFO L87 Difference]: Start difference. First operand has 518 states, 282 states have (on average 1.2695035460992907) internal successors, (358), 285 states have internal predecessors, (358), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 13:00:07,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:07,744 INFO L93 Difference]: Finished difference Result 1169 states and 1966 transitions. [2024-10-24 13:00:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:00:07,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 175 [2024-10-24 13:00:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:07,777 INFO L225 Difference]: With dead ends: 1169 [2024-10-24 13:00:07,777 INFO L226 Difference]: Without dead ends: 671 [2024-10-24 13:00:07,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:00:07,797 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 334 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:07,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 988 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 13:00:07,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-10-24 13:00:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 515. [2024-10-24 13:00:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 280 states have (on average 1.2464285714285714) internal successors, (349), 282 states have internal predecessors, (349), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2024-10-24 13:00:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 745 transitions. [2024-10-24 13:00:07,961 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 745 transitions. Word has length 175 [2024-10-24 13:00:07,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:07,962 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 745 transitions. [2024-10-24 13:00:07,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 13:00:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 745 transitions. [2024-10-24 13:00:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-24 13:00:07,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:07,967 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:07,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:00:07,967 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:07,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1063519036, now seen corresponding path program 1 times [2024-10-24 13:00:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:07,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941197562] [2024-10-24 13:00:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:07,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:00:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:00:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 13:00:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:00:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:00:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 13:00:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:00:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 13:00:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:00:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 13:00:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-10-24 13:00:08,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:08,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941197562] [2024-10-24 13:00:08,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941197562] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:08,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767240902] [2024-10-24 13:00:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:08,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:08,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:08,919 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) [2024-10-24 13:00:08,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:00:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:09,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 13:00:09,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-24 13:00:09,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:09,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767240902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:09,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:09,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-24 13:00:09,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613535754] [2024-10-24 13:00:09,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:09,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:00:09,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:09,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:00:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:00:09,666 INFO L87 Difference]: Start difference. First operand 515 states and 745 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-10-24 13:00:10,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:10,015 INFO L93 Difference]: Finished difference Result 989 states and 1441 transitions. [2024-10-24 13:00:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:00:10,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 175 [2024-10-24 13:00:10,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:10,025 INFO L225 Difference]: With dead ends: 989 [2024-10-24 13:00:10,026 INFO L226 Difference]: Without dead ends: 517 [2024-10-24 13:00:10,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:00:10,032 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 8 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:10,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2740 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:00:10,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-10-24 13:00:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2024-10-24 13:00:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 281 states have (on average 1.2455516014234875) internal successors, (350), 284 states have internal predecessors, (350), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2024-10-24 13:00:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 754 transitions. [2024-10-24 13:00:10,099 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 754 transitions. Word has length 175 [2024-10-24 13:00:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:10,099 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 754 transitions. [2024-10-24 13:00:10,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-10-24 13:00:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 754 transitions. [2024-10-24 13:00:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-24 13:00:10,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:10,105 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:10,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 13:00:10,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:10,312 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:10,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:10,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1998203160, now seen corresponding path program 1 times [2024-10-24 13:00:10,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:10,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278747000] [2024-10-24 13:00:10,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:10,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:00:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:00:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 13:00:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:00:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:00:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:00:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 13:00:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:00:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:00:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 13:00:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 13:00:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 13:00:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 13:00:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 13:00:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-10-24 13:00:11,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:11,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278747000] [2024-10-24 13:00:11,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278747000] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:11,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736525894] [2024-10-24 13:00:11,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:11,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:11,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:11,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:11,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:00:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 13:00:11,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-24 13:00:11,975 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:11,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736525894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:11,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:11,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-10-24 13:00:11,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499135506] [2024-10-24 13:00:11,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:11,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:00:11,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:11,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:00:11,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:00:11,978 INFO L87 Difference]: Start difference. First operand 517 states and 754 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-10-24 13:00:12,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:12,599 INFO L93 Difference]: Finished difference Result 1012 states and 1517 transitions. [2024-10-24 13:00:12,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:00:12,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 183 [2024-10-24 13:00:12,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:12,605 INFO L225 Difference]: With dead ends: 1012 [2024-10-24 13:00:12,605 INFO L226 Difference]: Without dead ends: 538 [2024-10-24 13:00:12,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:12,610 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 35 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3889 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:12,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3889 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:00:12,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-24 13:00:12,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 536. [2024-10-24 13:00:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 297 states have (on average 1.2525252525252526) internal successors, (372), 300 states have internal predecessors, (372), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-10-24 13:00:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 812 transitions. [2024-10-24 13:00:12,652 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 812 transitions. Word has length 183 [2024-10-24 13:00:12,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:12,653 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 812 transitions. [2024-10-24 13:00:12,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-10-24 13:00:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 812 transitions. [2024-10-24 13:00:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-10-24 13:00:12,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:12,657 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:12,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 13:00:12,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-24 13:00:12,858 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:12,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:12,859 INFO L85 PathProgramCache]: Analyzing trace with hash 705752653, now seen corresponding path program 1 times [2024-10-24 13:00:12,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:12,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616914568] [2024-10-24 13:00:12,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:12,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 13:00:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:00:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:00:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:00:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 13:00:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:00:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:00:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:00:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 13:00:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:00:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:00:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 13:00:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 13:00:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-10-24 13:00:13,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:13,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616914568] [2024-10-24 13:00:13,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616914568] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:13,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950469346] [2024-10-24 13:00:13,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:13,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:13,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:13,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:13,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 13:00:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:14,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 2632 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 13:00:14,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-24 13:00:14,640 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:14,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950469346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:14,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:14,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-10-24 13:00:14,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900680809] [2024-10-24 13:00:14,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:14,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:00:14,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:14,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:00:14,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:14,642 INFO L87 Difference]: Start difference. First operand 536 states and 812 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-10-24 13:00:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:15,002 INFO L93 Difference]: Finished difference Result 1035 states and 1586 transitions. [2024-10-24 13:00:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:00:15,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 196 [2024-10-24 13:00:15,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:15,009 INFO L225 Difference]: With dead ends: 1035 [2024-10-24 13:00:15,009 INFO L226 Difference]: Without dead ends: 542 [2024-10-24 13:00:15,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:15,013 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 25 mSDsluCounter, 2683 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3374 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:15,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3374 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:00:15,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-24 13:00:15,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 536. [2024-10-24 13:00:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 297 states have (on average 1.2525252525252526) internal successors, (372), 300 states have internal predecessors, (372), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-10-24 13:00:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 812 transitions. [2024-10-24 13:00:15,057 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 812 transitions. Word has length 196 [2024-10-24 13:00:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:15,058 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 812 transitions. [2024-10-24 13:00:15,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-10-24 13:00:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 812 transitions. [2024-10-24 13:00:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-24 13:00:15,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:15,061 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:15,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 13:00:15,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:15,262 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:15,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:15,263 INFO L85 PathProgramCache]: Analyzing trace with hash -783350990, now seen corresponding path program 1 times [2024-10-24 13:00:15,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:15,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120346828] [2024-10-24 13:00:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:15,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:00:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 13:00:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:00:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:00:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 13:00:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 13:00:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 13:00:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:00:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 13:00:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:00:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 13:00:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 13:00:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 13:00:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-10-24 13:00:16,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:16,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120346828] [2024-10-24 13:00:16,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120346828] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:16,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589283825] [2024-10-24 13:00:16,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:16,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:16,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:16,551 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:16,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 13:00:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:17,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 2704 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 13:00:17,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-24 13:00:17,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:17,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589283825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:17,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:17,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-10-24 13:00:17,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860218932] [2024-10-24 13:00:17,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:17,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:00:17,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:00:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:17,378 INFO L87 Difference]: Start difference. First operand 536 states and 812 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-10-24 13:00:18,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:18,198 INFO L93 Difference]: Finished difference Result 1062 states and 1625 transitions. [2024-10-24 13:00:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:00:18,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 212 [2024-10-24 13:00:18,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:18,206 INFO L225 Difference]: With dead ends: 1062 [2024-10-24 13:00:18,206 INFO L226 Difference]: Without dead ends: 569 [2024-10-24 13:00:18,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:00:18,210 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 57 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:18,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4488 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 13:00:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-10-24 13:00:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 536. [2024-10-24 13:00:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 297 states have (on average 1.2525252525252526) internal successors, (372), 300 states have internal predecessors, (372), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-10-24 13:00:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 812 transitions. [2024-10-24 13:00:18,247 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 812 transitions. Word has length 212 [2024-10-24 13:00:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:18,247 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 812 transitions. [2024-10-24 13:00:18,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-10-24 13:00:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 812 transitions. [2024-10-24 13:00:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-24 13:00:18,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:18,251 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:18,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 13:00:18,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:18,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:18,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1954569703, now seen corresponding path program 2 times [2024-10-24 13:00:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699768529] [2024-10-24 13:00:18,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 13:00:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:00:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 13:00:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 13:00:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 13:00:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:00:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 13:00:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 13:00:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:00:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-10-24 13:00:19,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:19,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699768529] [2024-10-24 13:00:19,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699768529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:19,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:19,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 13:00:19,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204348093] [2024-10-24 13:00:19,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:19,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:00:19,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:19,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:00:19,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:00:19,511 INFO L87 Difference]: Start difference. First operand 536 states and 812 transitions. Second operand has 11 states, 10 states have (on average 7.9) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2024-10-24 13:00:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:23,986 INFO L93 Difference]: Finished difference Result 1357 states and 2180 transitions. [2024-10-24 13:00:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 13:00:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 225 [2024-10-24 13:00:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:23,996 INFO L225 Difference]: With dead ends: 1357 [2024-10-24 13:00:23,996 INFO L226 Difference]: Without dead ends: 876 [2024-10-24 13:00:24,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:24,002 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 629 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 3206 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 917 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:24,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 3206 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [917 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-24 13:00:24,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2024-10-24 13:00:24,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 538. [2024-10-24 13:00:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 298 states have (on average 1.2516778523489933) internal successors, (373), 302 states have internal predecessors, (373), 201 states have call successors, (201), 35 states have call predecessors, (201), 37 states have return successors, (243), 200 states have call predecessors, (243), 199 states have call successors, (243) [2024-10-24 13:00:24,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 817 transitions. [2024-10-24 13:00:24,054 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 817 transitions. Word has length 225 [2024-10-24 13:00:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:24,055 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 817 transitions. [2024-10-24 13:00:24,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2024-10-24 13:00:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 817 transitions. [2024-10-24 13:00:24,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-24 13:00:24,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:24,059 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:24,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:00:24,059 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:24,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1431042356, now seen corresponding path program 1 times [2024-10-24 13:00:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:24,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477707697] [2024-10-24 13:00:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:00:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 13:00:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:00:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 13:00:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 13:00:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:00:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 13:00:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:00:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 13:00:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-24 13:00:25,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:25,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477707697] [2024-10-24 13:00:25,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477707697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:25,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:25,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 13:00:25,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724018111] [2024-10-24 13:00:25,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:25,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 13:00:25,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:25,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 13:00:25,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:00:25,566 INFO L87 Difference]: Start difference. First operand 538 states and 817 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2024-10-24 13:00:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:29,997 INFO L93 Difference]: Finished difference Result 1365 states and 2212 transitions. [2024-10-24 13:00:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 13:00:29,998 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 246 [2024-10-24 13:00:29,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:30,007 INFO L225 Difference]: With dead ends: 1365 [2024-10-24 13:00:30,007 INFO L226 Difference]: Without dead ends: 882 [2024-10-24 13:00:30,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:00:30,012 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 817 mSDsluCounter, 2800 mSDsCounter, 0 mSdLazyCounter, 3954 mSolverCounterSat, 1283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 3299 SdHoareTripleChecker+Invalid, 5237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1283 IncrementalHoareTripleChecker+Valid, 3954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:30,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [864 Valid, 3299 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1283 Valid, 3954 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 13:00:30,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2024-10-24 13:00:30,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 539. [2024-10-24 13:00:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 299 states have (on average 1.2508361204013378) internal successors, (374), 303 states have internal predecessors, (374), 201 states have call successors, (201), 35 states have call predecessors, (201), 37 states have return successors, (243), 200 states have call predecessors, (243), 199 states have call successors, (243) [2024-10-24 13:00:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 818 transitions. [2024-10-24 13:00:30,066 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 818 transitions. Word has length 246 [2024-10-24 13:00:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:30,067 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 818 transitions. [2024-10-24 13:00:30,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2024-10-24 13:00:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 818 transitions. [2024-10-24 13:00:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-24 13:00:30,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:30,071 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:30,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:00:30,071 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:30,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:30,071 INFO L85 PathProgramCache]: Analyzing trace with hash 769678705, now seen corresponding path program 1 times [2024-10-24 13:00:30,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:30,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367008640] [2024-10-24 13:00:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 13:00:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 13:00:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:00:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 13:00:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 13:00:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 13:00:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 13:00:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-10-24 13:00:31,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:31,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367008640] [2024-10-24 13:00:31,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367008640] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:31,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64371658] [2024-10-24 13:00:31,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:31,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:31,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:31,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:31,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 13:00:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 13:00:32,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-24 13:00:32,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:32,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64371658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:32,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:32,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2024-10-24 13:00:32,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620273822] [2024-10-24 13:00:32,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:32,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:00:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:00:32,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:00:32,507 INFO L87 Difference]: Start difference. First operand 539 states and 818 transitions. Second operand has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (35), 5 states have call predecessors, (35), 6 states have call successors, (35) [2024-10-24 13:00:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:33,427 INFO L93 Difference]: Finished difference Result 1039 states and 1586 transitions. [2024-10-24 13:00:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:00:33,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (35), 5 states have call predecessors, (35), 6 states have call successors, (35) Word has length 262 [2024-10-24 13:00:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:33,435 INFO L225 Difference]: With dead ends: 1039 [2024-10-24 13:00:33,435 INFO L226 Difference]: Without dead ends: 555 [2024-10-24 13:00:33,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2024-10-24 13:00:33,440 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 149 mSDsluCounter, 4954 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 5608 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:33,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 5608 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:00:33,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-24 13:00:33,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 552. [2024-10-24 13:00:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 311 states have (on average 1.257234726688103) internal successors, (391), 314 states have internal predecessors, (391), 202 states have call successors, (202), 35 states have call predecessors, (202), 37 states have return successors, (244), 202 states have call predecessors, (244), 200 states have call successors, (244) [2024-10-24 13:00:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 837 transitions. [2024-10-24 13:00:33,497 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 837 transitions. Word has length 262 [2024-10-24 13:00:33,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:33,500 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 837 transitions. [2024-10-24 13:00:33,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 4 states have return successors, (35), 5 states have call predecessors, (35), 6 states have call successors, (35) [2024-10-24 13:00:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 837 transitions. [2024-10-24 13:00:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-24 13:00:33,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:33,504 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:33,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 13:00:33,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:33,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:33,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash -791200099, now seen corresponding path program 2 times [2024-10-24 13:00:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:33,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009497655] [2024-10-24 13:00:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:34,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 13:00:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 13:00:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:00:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 13:00:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 13:00:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 13:00:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 13:00:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-10-24 13:00:35,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009497655] [2024-10-24 13:00:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009497655] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086972280] [2024-10-24 13:00:35,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 13:00:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:35,113 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:35,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 13:00:35,683 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 13:00:35,683 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:35,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 13:00:35,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-10-24 13:00:35,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:35,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086972280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:35,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:35,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2024-10-24 13:00:35,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846817854] [2024-10-24 13:00:35,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:35,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:00:35,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:35,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:00:35,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:35,759 INFO L87 Difference]: Start difference. First operand 552 states and 837 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 13:00:36,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:36,085 INFO L93 Difference]: Finished difference Result 560 states and 845 transitions. [2024-10-24 13:00:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:00:36,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 262 [2024-10-24 13:00:36,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:36,091 INFO L225 Difference]: With dead ends: 560 [2024-10-24 13:00:36,091 INFO L226 Difference]: Without dead ends: 558 [2024-10-24 13:00:36,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:36,092 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 3 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3534 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:36,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3534 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:00:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-10-24 13:00:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 557. [2024-10-24 13:00:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 314 states have (on average 1.2547770700636942) internal successors, (394), 317 states have internal predecessors, (394), 203 states have call successors, (203), 36 states have call predecessors, (203), 38 states have return successors, (245), 203 states have call predecessors, (245), 201 states have call successors, (245) [2024-10-24 13:00:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 842 transitions. [2024-10-24 13:00:36,132 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 842 transitions. Word has length 262 [2024-10-24 13:00:36,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:36,133 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 842 transitions. [2024-10-24 13:00:36,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 13:00:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 842 transitions. [2024-10-24 13:00:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-10-24 13:00:36,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:36,135 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:36,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:36,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:36,336 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:36,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:36,337 INFO L85 PathProgramCache]: Analyzing trace with hash 643376750, now seen corresponding path program 3 times [2024-10-24 13:00:36,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:36,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710749046] [2024-10-24 13:00:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 13:00:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 13:00:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:00:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 13:00:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 13:00:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 13:00:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 13:00:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-10-24 13:00:37,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:37,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710749046] [2024-10-24 13:00:37,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710749046] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:37,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401514048] [2024-10-24 13:00:37,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 13:00:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:37,603 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:37,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 13:00:38,571 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 13:00:38,571 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:38,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 13:00:38,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-10-24 13:00:38,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:00:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-10-24 13:00:39,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401514048] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:00:39,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:00:39,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 7] total 19 [2024-10-24 13:00:39,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465996856] [2024-10-24 13:00:39,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:00:39,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 13:00:39,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:39,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 13:00:39,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:00:39,138 INFO L87 Difference]: Start difference. First operand 557 states and 842 transitions. Second operand has 19 states, 18 states have (on average 7.888888888888889) internal successors, (142), 14 states have internal predecessors, (142), 8 states have call successors, (70), 7 states have call predecessors, (70), 5 states have return successors, (62), 6 states have call predecessors, (62), 8 states have call successors, (62) [2024-10-24 13:00:45,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:45,392 INFO L93 Difference]: Finished difference Result 1344 states and 2152 transitions. [2024-10-24 13:00:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 13:00:45,393 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.888888888888889) internal successors, (142), 14 states have internal predecessors, (142), 8 states have call successors, (70), 7 states have call predecessors, (70), 5 states have return successors, (62), 6 states have call predecessors, (62), 8 states have call successors, (62) Word has length 275 [2024-10-24 13:00:45,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:45,403 INFO L225 Difference]: With dead ends: 1344 [2024-10-24 13:00:45,403 INFO L226 Difference]: Without dead ends: 842 [2024-10-24 13:00:45,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=155, Invalid=837, Unknown=0, NotChecked=0, Total=992 [2024-10-24 13:00:45,408 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 740 mSDsluCounter, 4815 mSDsCounter, 0 mSdLazyCounter, 7359 mSolverCounterSat, 1190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 8549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 7359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:45,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 5272 Invalid, 8549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 7359 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-10-24 13:00:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-24 13:00:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 546. [2024-10-24 13:00:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 303 states have (on average 1.2475247524752475) internal successors, (378), 305 states have internal predecessors, (378), 204 states have call successors, (204), 37 states have call predecessors, (204), 37 states have return successors, (238), 203 states have call predecessors, (238), 202 states have call successors, (238) [2024-10-24 13:00:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 820 transitions. [2024-10-24 13:00:45,510 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 820 transitions. Word has length 275 [2024-10-24 13:00:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:45,511 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 820 transitions. [2024-10-24 13:00:45,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.888888888888889) internal successors, (142), 14 states have internal predecessors, (142), 8 states have call successors, (70), 7 states have call predecessors, (70), 5 states have return successors, (62), 6 states have call predecessors, (62), 8 states have call successors, (62) [2024-10-24 13:00:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 820 transitions. [2024-10-24 13:00:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-24 13:00:45,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:45,515 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:45,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:45,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:45,716 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash 863826352, now seen corresponding path program 4 times [2024-10-24 13:00:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:45,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914822661] [2024-10-24 13:00:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:00:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 13:00:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 13:00:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 13:00:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 13:00:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 13:00:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 13:00:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-24 13:00:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-10-24 13:00:47,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:47,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914822661] [2024-10-24 13:00:47,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914822661] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:47,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127060646] [2024-10-24 13:00:47,196 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 13:00:47,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:47,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:47,198 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:47,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 13:00:47,947 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 13:00:47,947 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:47,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 13:00:47,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-24 13:00:48,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:48,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127060646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:48,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:48,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-24 13:00:48,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945908214] [2024-10-24 13:00:48,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:48,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:00:48,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:48,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:00:48,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:48,127 INFO L87 Difference]: Start difference. First operand 546 states and 820 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35) [2024-10-24 13:00:48,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:48,774 INFO L93 Difference]: Finished difference Result 1031 states and 1551 transitions. [2024-10-24 13:00:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:00:48,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35) Word has length 301 [2024-10-24 13:00:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:48,781 INFO L225 Difference]: With dead ends: 1031 [2024-10-24 13:00:48,782 INFO L226 Difference]: Without dead ends: 546 [2024-10-24 13:00:48,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:00:48,786 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 122 mSDsluCounter, 3726 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:48,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 4389 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 13:00:48,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-10-24 13:00:48,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2024-10-24 13:00:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 303 states have (on average 1.2475247524752475) internal successors, (378), 305 states have internal predecessors, (378), 204 states have call successors, (204), 37 states have call predecessors, (204), 37 states have return successors, (235), 203 states have call predecessors, (235), 202 states have call successors, (235) [2024-10-24 13:00:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 817 transitions. [2024-10-24 13:00:48,825 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 817 transitions. Word has length 301 [2024-10-24 13:00:48,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:48,826 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 817 transitions. [2024-10-24 13:00:48,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 5 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35) [2024-10-24 13:00:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 817 transitions. [2024-10-24 13:00:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 13:00:48,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:48,828 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:48,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 13:00:49,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 13:00:49,029 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:49,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 562335391, now seen corresponding path program 1 times [2024-10-24 13:00:49,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:49,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873845524] [2024-10-24 13:00:49,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:49,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:49,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:00:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 13:00:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 13:00:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 13:00:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 13:00:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 13:00:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 13:00:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2024-10-24 13:00:50,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:50,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873845524] [2024-10-24 13:00:50,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873845524] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:50,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994624684] [2024-10-24 13:00:50,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:50,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:50,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:50,302 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:50,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 13:00:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:51,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 3540 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 13:00:51,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 324 proven. 2 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-24 13:00:51,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:00:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2024-10-24 13:00:51,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994624684] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:00:51,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:00:51,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 14 [2024-10-24 13:00:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030002437] [2024-10-24 13:00:51,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:00:51,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 13:00:51,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 13:00:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:51,560 INFO L87 Difference]: Start difference. First operand 546 states and 817 transitions. Second operand has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (61), 7 states have call predecessors, (61), 3 states have return successors, (46), 5 states have call predecessors, (46), 4 states have call successors, (46) [2024-10-24 13:00:56,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:56,261 INFO L93 Difference]: Finished difference Result 1399 states and 2197 transitions. [2024-10-24 13:00:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 13:00:56,262 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (61), 7 states have call predecessors, (61), 3 states have return successors, (46), 5 states have call predecessors, (46), 4 states have call successors, (46) Word has length 314 [2024-10-24 13:00:56,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:56,272 INFO L225 Difference]: With dead ends: 1399 [2024-10-24 13:00:56,272 INFO L226 Difference]: Without dead ends: 903 [2024-10-24 13:00:56,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 722 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:00:56,277 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 679 mSDsluCounter, 3982 mSDsCounter, 0 mSdLazyCounter, 5116 mSolverCounterSat, 1195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 6311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 5116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:56,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 4488 Invalid, 6311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 5116 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 13:00:56,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-10-24 13:00:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 620. [2024-10-24 13:00:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 344 states have (on average 1.252906976744186) internal successors, (431), 347 states have internal predecessors, (431), 235 states have call successors, (235), 38 states have call predecessors, (235), 39 states have return successors, (270), 234 states have call predecessors, (270), 233 states have call successors, (270) [2024-10-24 13:00:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 936 transitions. [2024-10-24 13:00:56,342 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 936 transitions. Word has length 314 [2024-10-24 13:00:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:56,343 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 936 transitions. [2024-10-24 13:00:56,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (61), 7 states have call predecessors, (61), 3 states have return successors, (46), 5 states have call predecessors, (46), 4 states have call successors, (46) [2024-10-24 13:00:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 936 transitions. [2024-10-24 13:00:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 13:00:56,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:56,345 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:56,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 13:00:56,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:56,547 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:56,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:56,547 INFO L85 PathProgramCache]: Analyzing trace with hash 177383203, now seen corresponding path program 1 times [2024-10-24 13:00:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:56,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991594437] [2024-10-24 13:00:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:58,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 13:00:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 13:00:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 13:00:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 13:00:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 13:00:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 13:00:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 13:00:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2024-10-24 13:00:59,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:59,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991594437] [2024-10-24 13:00:59,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991594437] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:59,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546019793] [2024-10-24 13:00:59,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:59,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:59,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:59,484 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:59,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 13:01:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:00,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 3534 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-10-24 13:01:00,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:00,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:01:00,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:01:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-10-24 13:01:00,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:00,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546019793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:00,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:00,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2024-10-24 13:01:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165265078] [2024-10-24 13:01:00,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:00,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 13:01:00,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:00,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 13:01:00,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2024-10-24 13:01:00,908 INFO L87 Difference]: Start difference. First operand 620 states and 936 transitions. Second operand has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 13 states have internal predecessors, (112), 6 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-10-24 13:01:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:03,062 INFO L93 Difference]: Finished difference Result 1231 states and 1916 transitions. [2024-10-24 13:01:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 13:01:03,063 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 13 states have internal predecessors, (112), 6 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) Word has length 314 [2024-10-24 13:01:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:03,069 INFO L225 Difference]: With dead ends: 1231 [2024-10-24 13:01:03,069 INFO L226 Difference]: Without dead ends: 654 [2024-10-24 13:01:03,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2024-10-24 13:01:03,073 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 44 mSDsluCounter, 6624 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 7333 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:03,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 7333 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 13:01:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-10-24 13:01:03,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 645. [2024-10-24 13:01:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 368 states have (on average 1.2608695652173914) internal successors, (464), 370 states have internal predecessors, (464), 235 states have call successors, (235), 38 states have call predecessors, (235), 40 states have return successors, (305), 236 states have call predecessors, (305), 233 states have call successors, (305) [2024-10-24 13:01:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1004 transitions. [2024-10-24 13:01:03,168 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1004 transitions. Word has length 314 [2024-10-24 13:01:03,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:03,168 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 1004 transitions. [2024-10-24 13:01:03,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 13 states have internal predecessors, (112), 6 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-10-24 13:01:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1004 transitions. [2024-10-24 13:01:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-10-24 13:01:03,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:03,171 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:03,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 13:01:03,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 13:01:03,372 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:01:03,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:03,373 INFO L85 PathProgramCache]: Analyzing trace with hash 436953898, now seen corresponding path program 1 times [2024-10-24 13:01:03,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:03,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155379206] [2024-10-24 13:01:03,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:03,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:01:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:01:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:01:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:01:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:01:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:01:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:01:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:01:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:01:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:01:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:01:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:01:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:01:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:01:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 13:01:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 13:01:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 13:01:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 13:01:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 13:01:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 13:01:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 13:01:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 13:01:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 13:01:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2024-10-24 13:01:04,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:04,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155379206] [2024-10-24 13:01:04,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155379206] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:04,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997754493] [2024-10-24 13:01:04,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:04,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:04,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:04,480 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:01:04,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 13:01:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 3564 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 13:01:05,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-10-24 13:01:05,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:05,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997754493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:05,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:05,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 8 [2024-10-24 13:01:05,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979669139] [2024-10-24 13:01:05,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:05,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:01:05,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:05,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:01:05,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:05,389 INFO L87 Difference]: Start difference. First operand 645 states and 1004 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-10-24 13:01:05,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:05,610 INFO L93 Difference]: Finished difference Result 1247 states and 2028 transitions. [2024-10-24 13:01:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:01:05,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 324 [2024-10-24 13:01:05,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:05,619 INFO L225 Difference]: With dead ends: 1247 [2024-10-24 13:01:05,619 INFO L226 Difference]: Without dead ends: 645 [2024-10-24 13:01:05,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:05,627 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 0 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2141 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:05,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2141 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 13:01:05,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-10-24 13:01:05,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2024-10-24 13:01:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 368 states have (on average 1.2581521739130435) internal successors, (463), 370 states have internal predecessors, (463), 235 states have call successors, (235), 38 states have call predecessors, (235), 40 states have return successors, (305), 236 states have call predecessors, (305), 233 states have call successors, (305) [2024-10-24 13:01:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1003 transitions. [2024-10-24 13:01:05,727 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1003 transitions. Word has length 324 [2024-10-24 13:01:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:05,728 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 1003 transitions. [2024-10-24 13:01:05,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-10-24 13:01:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1003 transitions. [2024-10-24 13:01:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-24 13:01:05,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:05,730 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:05,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 13:01:05,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 13:01:05,932 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:01:05,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:05,932 INFO L85 PathProgramCache]: Analyzing trace with hash -807885393, now seen corresponding path program 1 times [2024-10-24 13:01:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:05,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051532338] [2024-10-24 13:01:05,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms