./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-56.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 5d9fefadeb2433964027133b2762439d0736284a9020eef9186f2d2400ba62b5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 07:11:24,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 07:11:24,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 07:11:24,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 07:11:24,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 07:11:24,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 07:11:24,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 07:11:24,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 07:11:24,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 07:11:24,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 07:11:24,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 07:11:24,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 07:11:24,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 07:11:24,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 07:11:24,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 07:11:24,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 07:11:24,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 07:11:24,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 07:11:24,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 07:11:24,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 07:11:24,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 07:11:24,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 07:11:24,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 07:11:24,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 07:11:24,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 07:11:24,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 07:11:24,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 07:11:24,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 07:11:24,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 07:11:24,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 07:11:24,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 07:11:24,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 07:11:24,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:11:24,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 07:11:24,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 07:11:24,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 07:11:24,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 07:11:24,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 07:11:24,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 07:11:24,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 07:11:24,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 07:11:24,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 07:11:24,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d9fefadeb2433964027133b2762439d0736284a9020eef9186f2d2400ba62b5 [2024-11-12 07:11:24,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 07:11:24,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 07:11:24,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 07:11:24,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 07:11:24,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 07:11:24,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-56.i [2024-11-12 07:11:26,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 07:11:26,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 07:11:26,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-56.i [2024-11-12 07:11:26,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a401b7f09/2a4f3063817447cca1160a4da055b83d/FLAG369b128a2 [2024-11-12 07:11:26,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a401b7f09/2a4f3063817447cca1160a4da055b83d [2024-11-12 07:11:26,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 07:11:26,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 07:11:26,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 07:11:26,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 07:11:26,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 07:11:26,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:26,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b3b48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26, skipping insertion in model container [2024-11-12 07:11:26,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:26,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 07:11:26,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-56.i[916,929] [2024-11-12 07:11:26,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:11:26,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 07:11:26,857 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-56.i[916,929] [2024-11-12 07:11:26,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 07:11:26,934 INFO L204 MainTranslator]: Completed translation [2024-11-12 07:11:26,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26 WrapperNode [2024-11-12 07:11:26,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 07:11:26,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 07:11:26,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 07:11:26,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 07:11:26,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:26,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,015 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 575 [2024-11-12 07:11:27,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 07:11:27,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 07:11:27,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 07:11:27,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 07:11:27,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,077 INFO L175 MemorySlicer]: Split 147 memory accesses to 5 slices as follows [2, 41, 11, 16, 77]. 52 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 5, 2, 1, 6]. The 18 writes are split as follows [0, 8, 2, 1, 7]. [2024-11-12 07:11:27,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 07:11:27,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 07:11:27,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 07:11:27,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 07:11:27,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (1/1) ... [2024-11-12 07:11:27,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 07:11:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 07:11:27,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 07:11:27,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 07:11:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 07:11:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-12 07:11:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-12 07:11:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-12 07:11:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-12 07:11:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-12 07:11:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 07:11:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 07:11:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 07:11:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 07:11:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 07:11:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-12 07:11:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-12 07:11:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-12 07:11:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-12 07:11:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-12 07:11:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 07:11:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 07:11:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 07:11:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 07:11:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 07:11:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-12 07:11:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-12 07:11:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-12 07:11:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-12 07:11:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-12 07:11:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 07:11:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 07:11:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 07:11:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 07:11:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 07:11:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 07:11:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 07:11:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 07:11:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 07:11:27,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 07:11:27,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 07:11:28,035 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-12 07:11:28,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 07:11:28,049 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 07:11:28,049 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 07:11:28,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:11:28 BoogieIcfgContainer [2024-11-12 07:11:28,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 07:11:28,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 07:11:28,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 07:11:28,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 07:11:28,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:11:26" (1/3) ... [2024-11-12 07:11:28,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7871ea6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:11:28, skipping insertion in model container [2024-11-12 07:11:28,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:11:26" (2/3) ... [2024-11-12 07:11:28,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7871ea6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:11:28, skipping insertion in model container [2024-11-12 07:11:28,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:11:28" (3/3) ... [2024-11-12 07:11:28,059 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-56.i [2024-11-12 07:11:28,072 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 07:11:28,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 07:11:28,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 07:11:28,178 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;@12d136a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 07:11:28,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 07:11:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 105 states have internal predecessors, (149), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:11:28,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 07:11:28,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:28,200 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:28,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:28,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:28,207 INFO L85 PathProgramCache]: Analyzing trace with hash -70143542, now seen corresponding path program 1 times [2024-11-12 07:11:28,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:28,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860216227] [2024-11-12 07:11:28,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:28,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:28,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:28,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860216227] [2024-11-12 07:11:28,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860216227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:28,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:28,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 07:11:28,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348427861] [2024-11-12 07:11:28,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:28,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 07:11:28,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:28,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 07:11:28,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:11:28,785 INFO L87 Difference]: Start difference. First operand has 126 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 105 states have internal predecessors, (149), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:28,817 INFO L93 Difference]: Finished difference Result 245 states and 387 transitions. [2024-11-12 07:11:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 07:11:28,821 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2024-11-12 07:11:28,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:28,829 INFO L225 Difference]: With dead ends: 245 [2024-11-12 07:11:28,830 INFO L226 Difference]: Without dead ends: 122 [2024-11-12 07:11:28,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 07:11:28,837 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:28,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:28,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-12 07:11:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-12 07:11:28,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.4059405940594059) internal successors, (142), 101 states have internal predecessors, (142), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:11:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 180 transitions. [2024-11-12 07:11:28,900 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 180 transitions. Word has length 151 [2024-11-12 07:11:28,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:28,901 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 180 transitions. [2024-11-12 07:11:28,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 180 transitions. [2024-11-12 07:11:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 07:11:28,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:28,908 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:28,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 07:11:28,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:28,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:28,909 INFO L85 PathProgramCache]: Analyzing trace with hash 155255632, now seen corresponding path program 1 times [2024-11-12 07:11:28,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:28,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565028346] [2024-11-12 07:11:28,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:28,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:29,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:29,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565028346] [2024-11-12 07:11:29,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565028346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:29,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:29,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:11:29,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802437229] [2024-11-12 07:11:29,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:29,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:11:29,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:29,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:11:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:29,304 INFO L87 Difference]: Start difference. First operand 122 states and 180 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:29,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:29,344 INFO L93 Difference]: Finished difference Result 242 states and 359 transitions. [2024-11-12 07:11:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:11:29,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-12 07:11:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:29,348 INFO L225 Difference]: With dead ends: 242 [2024-11-12 07:11:29,348 INFO L226 Difference]: Without dead ends: 123 [2024-11-12 07:11:29,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:29,350 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:29,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-12 07:11:29,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-12 07:11:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-12 07:11:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 181 transitions. [2024-11-12 07:11:29,369 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 181 transitions. Word has length 151 [2024-11-12 07:11:29,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:29,371 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 181 transitions. [2024-11-12 07:11:29,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 181 transitions. [2024-11-12 07:11:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 07:11:29,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:29,374 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:29,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 07:11:29,374 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:29,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:29,375 INFO L85 PathProgramCache]: Analyzing trace with hash -662392818, now seen corresponding path program 1 times [2024-11-12 07:11:29,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:29,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855219668] [2024-11-12 07:11:29,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:29,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:31,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:31,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855219668] [2024-11-12 07:11:31,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855219668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:31,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:31,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:11:31,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662109020] [2024-11-12 07:11:31,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:31,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:11:31,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:11:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:11:31,247 INFO L87 Difference]: Start difference. First operand 123 states and 181 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:32,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:32,592 INFO L93 Difference]: Finished difference Result 725 states and 1076 transitions. [2024-11-12 07:11:32,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 07:11:32,593 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-12 07:11:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:32,606 INFO L225 Difference]: With dead ends: 725 [2024-11-12 07:11:32,606 INFO L226 Difference]: Without dead ends: 605 [2024-11-12 07:11:32,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2024-11-12 07:11:32,609 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 700 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:32,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 2275 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 07:11:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-12 07:11:32,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 382. [2024-11-12 07:11:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 331 states have (on average 1.4501510574018126) internal successors, (480), 332 states have internal predecessors, (480), 47 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 07:11:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 574 transitions. [2024-11-12 07:11:32,653 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 574 transitions. Word has length 151 [2024-11-12 07:11:32,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:32,654 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 574 transitions. [2024-11-12 07:11:32,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 574 transitions. [2024-11-12 07:11:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:11:32,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:32,658 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:32,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 07:11:32,659 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash 439138535, now seen corresponding path program 1 times [2024-11-12 07:11:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:32,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537656180] [2024-11-12 07:11:32,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:32,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:32,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537656180] [2024-11-12 07:11:32,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537656180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:32,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:32,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:11:32,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451106067] [2024-11-12 07:11:32,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:32,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:11:32,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:32,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:11:32,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:32,821 INFO L87 Difference]: Start difference. First operand 382 states and 574 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:32,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:32,860 INFO L93 Difference]: Finished difference Result 758 states and 1141 transitions. [2024-11-12 07:11:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:11:32,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:11:32,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:32,867 INFO L225 Difference]: With dead ends: 758 [2024-11-12 07:11:32,868 INFO L226 Difference]: Without dead ends: 379 [2024-11-12 07:11:32,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:32,873 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:32,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-12 07:11:32,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-12 07:11:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 328 states have (on average 1.4451219512195121) internal successors, (474), 329 states have internal predecessors, (474), 47 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 07:11:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 568 transitions. [2024-11-12 07:11:32,911 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 568 transitions. Word has length 152 [2024-11-12 07:11:32,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:32,912 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 568 transitions. [2024-11-12 07:11:32,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 568 transitions. [2024-11-12 07:11:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:11:32,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:32,917 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:32,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 07:11:32,918 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:32,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:32,918 INFO L85 PathProgramCache]: Analyzing trace with hash -234426631, now seen corresponding path program 1 times [2024-11-12 07:11:32,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:32,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52113512] [2024-11-12 07:11:32,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:33,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:33,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52113512] [2024-11-12 07:11:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52113512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:33,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:33,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:11:33,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108824319] [2024-11-12 07:11:33,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:33,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:11:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:33,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:11:33,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:33,059 INFO L87 Difference]: Start difference. First operand 379 states and 568 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:33,096 INFO L93 Difference]: Finished difference Result 760 states and 1143 transitions. [2024-11-12 07:11:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:11:33,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:11:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:33,100 INFO L225 Difference]: With dead ends: 760 [2024-11-12 07:11:33,101 INFO L226 Difference]: Without dead ends: 384 [2024-11-12 07:11:33,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:33,103 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:33,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:33,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-12 07:11:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-12 07:11:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 333 states have (on average 1.4384384384384385) internal successors, (479), 334 states have internal predecessors, (479), 47 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 07:11:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 573 transitions. [2024-11-12 07:11:33,124 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 573 transitions. Word has length 152 [2024-11-12 07:11:33,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:33,124 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 573 transitions. [2024-11-12 07:11:33,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 573 transitions. [2024-11-12 07:11:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-12 07:11:33,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:33,127 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:33,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 07:11:33,127 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:33,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1910188739, now seen corresponding path program 1 times [2024-11-12 07:11:33,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:33,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790102008] [2024-11-12 07:11:33,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:33,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:33,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:33,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790102008] [2024-11-12 07:11:33,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790102008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:33,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:33,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:11:33,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781616551] [2024-11-12 07:11:33,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:33,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:11:33,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:33,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:11:33,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:33,304 INFO L87 Difference]: Start difference. First operand 384 states and 573 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:33,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:33,342 INFO L93 Difference]: Finished difference Result 760 states and 1135 transitions. [2024-11-12 07:11:33,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:11:33,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-12 07:11:33,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:33,346 INFO L225 Difference]: With dead ends: 760 [2024-11-12 07:11:33,347 INFO L226 Difference]: Without dead ends: 379 [2024-11-12 07:11:33,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:33,351 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:33,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-12 07:11:33,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-12 07:11:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 328 states have (on average 1.4298780487804879) internal successors, (469), 329 states have internal predecessors, (469), 47 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 07:11:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 563 transitions. [2024-11-12 07:11:33,375 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 563 transitions. Word has length 152 [2024-11-12 07:11:33,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:33,375 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 563 transitions. [2024-11-12 07:11:33,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 563 transitions. [2024-11-12 07:11:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:33,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:33,378 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:33,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 07:11:33,378 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:33,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:33,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2133860781, now seen corresponding path program 1 times [2024-11-12 07:11:33,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:33,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337466226] [2024-11-12 07:11:33,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:33,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:33,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337466226] [2024-11-12 07:11:33,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337466226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:33,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:33,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:11:33,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114374417] [2024-11-12 07:11:33,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:33,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:11:33,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:33,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:11:33,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:11:33,635 INFO L87 Difference]: Start difference. First operand 379 states and 563 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:33,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:33,675 INFO L93 Difference]: Finished difference Result 764 states and 1135 transitions. [2024-11-12 07:11:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:11:33,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-12 07:11:33,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:33,679 INFO L225 Difference]: With dead ends: 764 [2024-11-12 07:11:33,681 INFO L226 Difference]: Without dead ends: 388 [2024-11-12 07:11:33,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:11:33,684 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:33,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 691 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:33,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-12 07:11:33,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-11-12 07:11:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 337 states have (on average 1.4183976261127595) internal successors, (478), 338 states have internal predecessors, (478), 47 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-12 07:11:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 572 transitions. [2024-11-12 07:11:33,710 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 572 transitions. Word has length 153 [2024-11-12 07:11:33,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:33,714 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 572 transitions. [2024-11-12 07:11:33,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 572 transitions. [2024-11-12 07:11:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:33,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:33,716 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:33,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 07:11:33,717 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:33,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:33,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1297495016, now seen corresponding path program 1 times [2024-11-12 07:11:33,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:33,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232260044] [2024-11-12 07:11:33,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:33,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:35,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:35,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232260044] [2024-11-12 07:11:35,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232260044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:35,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:35,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:11:35,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692861644] [2024-11-12 07:11:35,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:35,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:11:35,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:35,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:11:35,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:11:35,619 INFO L87 Difference]: Start difference. First operand 388 states and 572 transitions. Second operand has 11 states, 7 states have (on average 8.714285714285714) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:11:36,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:36,239 INFO L93 Difference]: Finished difference Result 986 states and 1455 transitions. [2024-11-12 07:11:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:11:36,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 8.714285714285714) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) Word has length 153 [2024-11-12 07:11:36,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:36,243 INFO L225 Difference]: With dead ends: 986 [2024-11-12 07:11:36,243 INFO L226 Difference]: Without dead ends: 601 [2024-11-12 07:11:36,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:11:36,245 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 120 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:36,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1116 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:11:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-12 07:11:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 527. [2024-11-12 07:11:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 466 states have (on average 1.4356223175965666) internal successors, (669), 468 states have internal predecessors, (669), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 07:11:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 781 transitions. [2024-11-12 07:11:36,272 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 781 transitions. Word has length 153 [2024-11-12 07:11:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:36,273 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 781 transitions. [2024-11-12 07:11:36,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 8.714285714285714) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:11:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 781 transitions. [2024-11-12 07:11:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:36,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:36,275 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:36,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 07:11:36,275 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:36,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:36,276 INFO L85 PathProgramCache]: Analyzing trace with hash 17631338, now seen corresponding path program 1 times [2024-11-12 07:11:36,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:36,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716592739] [2024-11-12 07:11:36,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:36,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:38,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:38,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716592739] [2024-11-12 07:11:38,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716592739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:38,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:38,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 07:11:38,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464992957] [2024-11-12 07:11:38,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:38,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 07:11:38,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:38,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 07:11:38,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:11:38,239 INFO L87 Difference]: Start difference. First operand 527 states and 781 transitions. Second operand has 12 states, 8 states have (on average 7.625) internal successors, (61), 12 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:11:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:38,982 INFO L93 Difference]: Finished difference Result 1125 states and 1661 transitions. [2024-11-12 07:11:38,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 07:11:38,982 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 7.625) internal successors, (61), 12 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) Word has length 153 [2024-11-12 07:11:38,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:38,986 INFO L225 Difference]: With dead ends: 1125 [2024-11-12 07:11:38,986 INFO L226 Difference]: Without dead ends: 601 [2024-11-12 07:11:38,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:11:38,988 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 118 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:38,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1219 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:11:38,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-12 07:11:39,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 529. [2024-11-12 07:11:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 468 states have (on average 1.4337606837606838) internal successors, (671), 470 states have internal predecessors, (671), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 07:11:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 783 transitions. [2024-11-12 07:11:39,024 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 783 transitions. Word has length 153 [2024-11-12 07:11:39,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:39,025 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 783 transitions. [2024-11-12 07:11:39,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 7.625) internal successors, (61), 12 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:11:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 783 transitions. [2024-11-12 07:11:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:39,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:39,029 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:39,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 07:11:39,029 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:39,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:39,030 INFO L85 PathProgramCache]: Analyzing trace with hash -569174676, now seen corresponding path program 1 times [2024-11-12 07:11:39,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:39,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522066830] [2024-11-12 07:11:39,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:39,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:40,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522066830] [2024-11-12 07:11:40,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522066830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:40,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:40,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:11:40,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125843752] [2024-11-12 07:11:40,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:40,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:11:40,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:40,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:11:40,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:11:40,365 INFO L87 Difference]: Start difference. First operand 529 states and 783 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:11:40,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:40,872 INFO L93 Difference]: Finished difference Result 1122 states and 1656 transitions. [2024-11-12 07:11:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:11:40,873 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2024-11-12 07:11:40,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:40,880 INFO L225 Difference]: With dead ends: 1122 [2024-11-12 07:11:40,881 INFO L226 Difference]: Without dead ends: 596 [2024-11-12 07:11:40,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:11:40,883 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 115 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:40,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 944 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:11:40,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-12 07:11:40,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 523. [2024-11-12 07:11:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 462 states have (on average 1.432900432900433) internal successors, (662), 464 states have internal predecessors, (662), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 07:11:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 774 transitions. [2024-11-12 07:11:40,931 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 774 transitions. Word has length 153 [2024-11-12 07:11:40,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:40,932 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 774 transitions. [2024-11-12 07:11:40,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:11:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 774 transitions. [2024-11-12 07:11:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:40,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:40,936 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:40,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 07:11:40,936 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:40,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:40,937 INFO L85 PathProgramCache]: Analyzing trace with hash 561773252, now seen corresponding path program 1 times [2024-11-12 07:11:40,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:40,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404019130] [2024-11-12 07:11:40,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:40,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:41,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:41,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404019130] [2024-11-12 07:11:41,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404019130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:41,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:41,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:11:41,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847353669] [2024-11-12 07:11:41,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:41,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:11:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:41,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:11:41,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:11:41,175 INFO L87 Difference]: Start difference. First operand 523 states and 774 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:41,271 INFO L93 Difference]: Finished difference Result 1080 states and 1599 transitions. [2024-11-12 07:11:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:11:41,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-12 07:11:41,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:41,275 INFO L225 Difference]: With dead ends: 1080 [2024-11-12 07:11:41,276 INFO L226 Difference]: Without dead ends: 560 [2024-11-12 07:11:41,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:11:41,278 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 78 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:41,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 642 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:11:41,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-12 07:11:41,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 520. [2024-11-12 07:11:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 459 states have (on average 1.4226579520697167) internal successors, (653), 461 states have internal predecessors, (653), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 07:11:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 765 transitions. [2024-11-12 07:11:41,312 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 765 transitions. Word has length 153 [2024-11-12 07:11:41,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:41,312 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 765 transitions. [2024-11-12 07:11:41,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 765 transitions. [2024-11-12 07:11:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:41,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:41,314 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:41,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 07:11:41,315 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:41,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1542718732, now seen corresponding path program 1 times [2024-11-12 07:11:41,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:41,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987101856] [2024-11-12 07:11:41,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:42,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:42,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987101856] [2024-11-12 07:11:42,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987101856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:42,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:42,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:11:42,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293633191] [2024-11-12 07:11:42,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:42,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:11:42,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:42,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:11:42,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:11:42,569 INFO L87 Difference]: Start difference. First operand 520 states and 765 transitions. Second operand has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:11:43,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:43,194 INFO L93 Difference]: Finished difference Result 1213 states and 1782 transitions. [2024-11-12 07:11:43,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:11:43,195 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-11-12 07:11:43,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:43,198 INFO L225 Difference]: With dead ends: 1213 [2024-11-12 07:11:43,199 INFO L226 Difference]: Without dead ends: 696 [2024-11-12 07:11:43,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:11:43,202 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 110 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:43,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1677 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:11:43,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-12 07:11:43,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 569. [2024-11-12 07:11:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 508 states have (on average 1.4330708661417322) internal successors, (728), 510 states have internal predecessors, (728), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 07:11:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 840 transitions. [2024-11-12 07:11:43,239 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 840 transitions. Word has length 153 [2024-11-12 07:11:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:43,240 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 840 transitions. [2024-11-12 07:11:43,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:11:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 840 transitions. [2024-11-12 07:11:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:43,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:43,242 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:43,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 07:11:43,242 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:43,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:43,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2129524746, now seen corresponding path program 1 times [2024-11-12 07:11:43,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:43,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778225646] [2024-11-12 07:11:43,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:44,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:44,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778225646] [2024-11-12 07:11:44,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778225646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:44,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:44,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 07:11:44,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389804340] [2024-11-12 07:11:44,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:44,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 07:11:44,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:44,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 07:11:44,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:11:44,804 INFO L87 Difference]: Start difference. First operand 569 states and 840 transitions. Second operand has 11 states, 7 states have (on average 8.714285714285714) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:11:45,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:45,565 INFO L93 Difference]: Finished difference Result 1262 states and 1855 transitions. [2024-11-12 07:11:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:11:45,566 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 8.714285714285714) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) Word has length 153 [2024-11-12 07:11:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:45,570 INFO L225 Difference]: With dead ends: 1262 [2024-11-12 07:11:45,571 INFO L226 Difference]: Without dead ends: 696 [2024-11-12 07:11:45,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-12 07:11:45,573 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 108 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:45,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 2080 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:11:45,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-12 07:11:45,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 568. [2024-11-12 07:11:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 507 states have (on average 1.4319526627218935) internal successors, (726), 509 states have internal predecessors, (726), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 07:11:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 838 transitions. [2024-11-12 07:11:45,614 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 838 transitions. Word has length 153 [2024-11-12 07:11:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:45,614 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 838 transitions. [2024-11-12 07:11:45,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 8.714285714285714) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:11:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 838 transitions. [2024-11-12 07:11:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:45,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:45,618 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:45,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 07:11:45,619 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:45,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash 788021926, now seen corresponding path program 1 times [2024-11-12 07:11:45,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:45,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346102676] [2024-11-12 07:11:45,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:46,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:46,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346102676] [2024-11-12 07:11:46,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346102676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:46,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:46,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 07:11:46,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933872068] [2024-11-12 07:11:46,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:46,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 07:11:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 07:11:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:11:46,465 INFO L87 Difference]: Start difference. First operand 568 states and 838 transitions. Second operand has 7 states, 5 states have (on average 12.2) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:11:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:46,902 INFO L93 Difference]: Finished difference Result 1287 states and 1887 transitions. [2024-11-12 07:11:46,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 07:11:46,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.2) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2024-11-12 07:11:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:46,906 INFO L225 Difference]: With dead ends: 1287 [2024-11-12 07:11:46,907 INFO L226 Difference]: Without dead ends: 722 [2024-11-12 07:11:46,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 07:11:46,909 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 122 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:46,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1207 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 07:11:46,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-11-12 07:11:46,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 718. [2024-11-12 07:11:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 628 states have (on average 1.4028662420382165) internal successors, (881), 632 states have internal predecessors, (881), 82 states have call successors, (82), 7 states have call predecessors, (82), 7 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 07:11:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1045 transitions. [2024-11-12 07:11:46,961 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1045 transitions. Word has length 153 [2024-11-12 07:11:46,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:46,962 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 1045 transitions. [2024-11-12 07:11:46,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.2) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:11:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1045 transitions. [2024-11-12 07:11:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:46,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:46,964 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:46,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 07:11:46,965 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:46,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:46,965 INFO L85 PathProgramCache]: Analyzing trace with hash -491841752, now seen corresponding path program 1 times [2024-11-12 07:11:46,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:46,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165194007] [2024-11-12 07:11:46,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:46,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:47,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:47,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165194007] [2024-11-12 07:11:47,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165194007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:47,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:47,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:11:47,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654811996] [2024-11-12 07:11:47,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:47,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:11:47,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:47,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:11:47,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:11:47,548 INFO L87 Difference]: Start difference. First operand 718 states and 1045 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:47,888 INFO L93 Difference]: Finished difference Result 1714 states and 2481 transitions. [2024-11-12 07:11:47,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:11:47,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2024-11-12 07:11:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:47,896 INFO L225 Difference]: With dead ends: 1714 [2024-11-12 07:11:47,897 INFO L226 Difference]: Without dead ends: 999 [2024-11-12 07:11:47,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:11:47,900 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 98 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:47,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 943 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:11:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-12 07:11:47,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 924. [2024-11-12 07:11:47,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 800 states have (on average 1.37875) internal successors, (1103), 807 states have internal predecessors, (1103), 113 states have call successors, (113), 10 states have call predecessors, (113), 10 states have return successors, (113), 106 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 07:11:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1329 transitions. [2024-11-12 07:11:47,988 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1329 transitions. Word has length 153 [2024-11-12 07:11:47,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:47,989 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1329 transitions. [2024-11-12 07:11:47,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1329 transitions. [2024-11-12 07:11:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:47,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:47,991 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:47,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 07:11:47,992 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:47,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1078647766, now seen corresponding path program 1 times [2024-11-12 07:11:47,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:47,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198549539] [2024-11-12 07:11:47,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:47,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:49,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:49,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198549539] [2024-11-12 07:11:49,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198549539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:49,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:49,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:11:49,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553854827] [2024-11-12 07:11:49,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:49,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:11:49,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:49,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:11:49,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:11:49,103 INFO L87 Difference]: Start difference. First operand 924 states and 1329 transitions. Second operand has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:11:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:49,725 INFO L93 Difference]: Finished difference Result 2016 states and 2896 transitions. [2024-11-12 07:11:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 07:11:49,726 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-11-12 07:11:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:49,732 INFO L225 Difference]: With dead ends: 2016 [2024-11-12 07:11:49,732 INFO L226 Difference]: Without dead ends: 1095 [2024-11-12 07:11:49,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-12 07:11:49,735 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 105 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:49,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1554 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:11:49,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-11-12 07:11:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 940. [2024-11-12 07:11:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 816 states have (on average 1.3811274509803921) internal successors, (1127), 823 states have internal predecessors, (1127), 113 states have call successors, (113), 10 states have call predecessors, (113), 10 states have return successors, (113), 106 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 07:11:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1353 transitions. [2024-11-12 07:11:49,852 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1353 transitions. Word has length 153 [2024-11-12 07:11:49,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:49,854 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1353 transitions. [2024-11-12 07:11:49,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-12 07:11:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1353 transitions. [2024-11-12 07:11:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:49,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:49,857 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:49,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 07:11:49,858 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:49,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:49,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1655969460, now seen corresponding path program 1 times [2024-11-12 07:11:49,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:49,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384004901] [2024-11-12 07:11:49,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:49,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:50,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:50,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384004901] [2024-11-12 07:11:50,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384004901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:50,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:50,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 07:11:50,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771382760] [2024-11-12 07:11:50,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:50,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 07:11:50,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:50,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 07:11:50,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 07:11:50,768 INFO L87 Difference]: Start difference. First operand 940 states and 1353 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:51,811 INFO L93 Difference]: Finished difference Result 2124 states and 3054 transitions. [2024-11-12 07:11:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 07:11:51,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2024-11-12 07:11:51,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:51,818 INFO L225 Difference]: With dead ends: 2124 [2024-11-12 07:11:51,818 INFO L226 Difference]: Without dead ends: 1187 [2024-11-12 07:11:51,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-12 07:11:51,821 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 442 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:51,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1414 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 07:11:51,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-12 07:11:51,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 940. [2024-11-12 07:11:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 816 states have (on average 1.3799019607843137) internal successors, (1126), 823 states have internal predecessors, (1126), 113 states have call successors, (113), 10 states have call predecessors, (113), 10 states have return successors, (113), 106 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 07:11:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1352 transitions. [2024-11-12 07:11:51,906 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1352 transitions. Word has length 153 [2024-11-12 07:11:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:51,907 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1352 transitions. [2024-11-12 07:11:51,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1352 transitions. [2024-11-12 07:11:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:51,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:51,910 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:51,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 07:11:51,910 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:51,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:51,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1718009074, now seen corresponding path program 1 times [2024-11-12 07:11:51,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:51,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893912397] [2024-11-12 07:11:51,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:53,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893912397] [2024-11-12 07:11:53,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893912397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:53,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 07:11:53,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815038988] [2024-11-12 07:11:53,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:53,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 07:11:53,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:53,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 07:11:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-12 07:11:53,144 INFO L87 Difference]: Start difference. First operand 940 states and 1352 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:11:53,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:53,794 INFO L93 Difference]: Finished difference Result 2001 states and 2874 transitions. [2024-11-12 07:11:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 07:11:53,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2024-11-12 07:11:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:53,801 INFO L225 Difference]: With dead ends: 2001 [2024-11-12 07:11:53,801 INFO L226 Difference]: Without dead ends: 1064 [2024-11-12 07:11:53,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-12 07:11:53,804 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 106 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:53,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1688 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 07:11:53,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-12 07:11:53,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 940. [2024-11-12 07:11:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 816 states have (on average 1.3786764705882353) internal successors, (1125), 823 states have internal predecessors, (1125), 113 states have call successors, (113), 10 states have call predecessors, (113), 10 states have return successors, (113), 106 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 07:11:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1351 transitions. [2024-11-12 07:11:53,883 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1351 transitions. Word has length 153 [2024-11-12 07:11:53,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:53,884 INFO L471 AbstractCegarLoop]: Abstraction has 940 states and 1351 transitions. [2024-11-12 07:11:53,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:11:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1351 transitions. [2024-11-12 07:11:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-12 07:11:53,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:53,886 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:53,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 07:11:53,887 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:53,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:53,887 INFO L85 PathProgramCache]: Analyzing trace with hash 412170648, now seen corresponding path program 1 times [2024-11-12 07:11:53,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:53,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207531505] [2024-11-12 07:11:53,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:53,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:54,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:54,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207531505] [2024-11-12 07:11:54,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207531505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:54,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:54,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:11:54,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478289884] [2024-11-12 07:11:54,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:54,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:11:54,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:54,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:11:54,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:11:54,051 INFO L87 Difference]: Start difference. First operand 940 states and 1351 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:54,181 INFO L93 Difference]: Finished difference Result 1877 states and 2698 transitions. [2024-11-12 07:11:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:11:54,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-12 07:11:54,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:54,188 INFO L225 Difference]: With dead ends: 1877 [2024-11-12 07:11:54,188 INFO L226 Difference]: Without dead ends: 940 [2024-11-12 07:11:54,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:11:54,191 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 81 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:54,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 786 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 07:11:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-12 07:11:54,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 938. [2024-11-12 07:11:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 814 states have (on average 1.3771498771498771) internal successors, (1121), 821 states have internal predecessors, (1121), 113 states have call successors, (113), 10 states have call predecessors, (113), 10 states have return successors, (113), 106 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-12 07:11:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1347 transitions. [2024-11-12 07:11:54,288 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1347 transitions. Word has length 153 [2024-11-12 07:11:54,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:54,289 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1347 transitions. [2024-11-12 07:11:54,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:54,289 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1347 transitions. [2024-11-12 07:11:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-12 07:11:54,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:54,291 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:54,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 07:11:54,291 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:54,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:54,292 INFO L85 PathProgramCache]: Analyzing trace with hash 254682777, now seen corresponding path program 1 times [2024-11-12 07:11:54,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:54,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837150935] [2024-11-12 07:11:54,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:54,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:54,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837150935] [2024-11-12 07:11:54,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837150935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:54,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:54,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 07:11:54,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526067129] [2024-11-12 07:11:54,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:54,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 07:11:54,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:54,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 07:11:54,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:54,404 INFO L87 Difference]: Start difference. First operand 938 states and 1347 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:54,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:54,489 INFO L93 Difference]: Finished difference Result 1745 states and 2503 transitions. [2024-11-12 07:11:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 07:11:54,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2024-11-12 07:11:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:54,495 INFO L225 Difference]: With dead ends: 1745 [2024-11-12 07:11:54,495 INFO L226 Difference]: Without dead ends: 810 [2024-11-12 07:11:54,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 07:11:54,498 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:54,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 07:11:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-12 07:11:54,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 731. [2024-11-12 07:11:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 640 states have (on average 1.384375) internal successors, (886), 644 states have internal predecessors, (886), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 07:11:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1050 transitions. [2024-11-12 07:11:54,568 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1050 transitions. Word has length 154 [2024-11-12 07:11:54,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:54,568 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 1050 transitions. [2024-11-12 07:11:54,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:11:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1050 transitions. [2024-11-12 07:11:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:11:54,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:54,571 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:54,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 07:11:54,571 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:54,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:54,572 INFO L85 PathProgramCache]: Analyzing trace with hash -301787730, now seen corresponding path program 1 times [2024-11-12 07:11:54,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:54,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749325362] [2024-11-12 07:11:54,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:55,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:55,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749325362] [2024-11-12 07:11:55,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749325362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:55,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:55,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:11:55,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222437423] [2024-11-12 07:11:55,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:55,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:11:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:55,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:11:55,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:11:55,991 INFO L87 Difference]: Start difference. First operand 731 states and 1050 transitions. Second operand has 16 states, 15 states have (on average 4.2) internal successors, (63), 16 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:58,211 INFO L93 Difference]: Finished difference Result 2185 states and 3121 transitions. [2024-11-12 07:11:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-12 07:11:58,212 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.2) internal successors, (63), 16 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-12 07:11:58,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:58,221 INFO L225 Difference]: With dead ends: 2185 [2024-11-12 07:11:58,222 INFO L226 Difference]: Without dead ends: 1457 [2024-11-12 07:11:58,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=342, Invalid=2010, Unknown=0, NotChecked=0, Total=2352 [2024-11-12 07:11:58,227 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 1647 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 1825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:58,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 2369 Invalid, 1825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 07:11:58,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-12 07:11:58,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1207. [2024-11-12 07:11:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1043 states have (on average 1.3633748801534036) internal successors, (1422), 1052 states have internal predecessors, (1422), 147 states have call successors, (147), 16 states have call predecessors, (147), 16 states have return successors, (147), 138 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-12 07:11:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1716 transitions. [2024-11-12 07:11:58,341 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1716 transitions. Word has length 155 [2024-11-12 07:11:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:58,341 INFO L471 AbstractCegarLoop]: Abstraction has 1207 states and 1716 transitions. [2024-11-12 07:11:58,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.2) internal successors, (63), 16 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1716 transitions. [2024-11-12 07:11:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:11:58,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:58,344 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:58,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 07:11:58,344 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:58,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:58,345 INFO L85 PathProgramCache]: Analyzing trace with hash -239748116, now seen corresponding path program 1 times [2024-11-12 07:11:58,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:58,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736809416] [2024-11-12 07:11:58,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:58,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:11:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:11:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:11:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:11:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:11:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:11:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:11:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:11:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:11:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:11:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:11:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:11:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:11:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:11:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:11:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:11:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:11:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:11:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:11:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:11:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:11:58,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:11:58,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736809416] [2024-11-12 07:11:58,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736809416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:11:58,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:11:58,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:11:58,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994963451] [2024-11-12 07:11:58,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:11:58,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:11:58,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:11:58,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:11:58,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:11:58,979 INFO L87 Difference]: Start difference. First operand 1207 states and 1716 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:11:59,357 INFO L93 Difference]: Finished difference Result 2462 states and 3486 transitions. [2024-11-12 07:11:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:11:59,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-12 07:11:59,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:11:59,366 INFO L225 Difference]: With dead ends: 2462 [2024-11-12 07:11:59,366 INFO L226 Difference]: Without dead ends: 1258 [2024-11-12 07:11:59,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:11:59,369 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 112 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 07:11:59,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1119 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 07:11:59,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2024-11-12 07:11:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1255. [2024-11-12 07:11:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1073 states have (on average 1.348555452003728) internal successors, (1447), 1083 states have internal predecessors, (1447), 158 states have call successors, (158), 23 states have call predecessors, (158), 23 states have return successors, (158), 148 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-12 07:11:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1763 transitions. [2024-11-12 07:11:59,484 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1763 transitions. Word has length 155 [2024-11-12 07:11:59,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:11:59,484 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1763 transitions. [2024-11-12 07:11:59,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:11:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1763 transitions. [2024-11-12 07:11:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:11:59,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:11:59,487 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:11:59,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 07:11:59,487 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:11:59,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:11:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1412848974, now seen corresponding path program 1 times [2024-11-12 07:11:59,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:11:59,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568120341] [2024-11-12 07:11:59,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:11:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:11:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:12:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:12:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:12:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:12:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:12:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:12:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:12:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:12:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:12:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:12:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:12:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:12:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:12:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:12:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:12:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:12:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:12:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:12:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:12:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:12:00,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:12:00,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568120341] [2024-11-12 07:12:00,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568120341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:12:00,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:12:00,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:12:00,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542922899] [2024-11-12 07:12:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:12:00,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:12:00,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:12:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:12:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:12:00,555 INFO L87 Difference]: Start difference. First operand 1255 states and 1763 transitions. Second operand has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:12:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:12:01,551 INFO L93 Difference]: Finished difference Result 3078 states and 4303 transitions. [2024-11-12 07:12:01,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 07:12:01,552 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-12 07:12:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:12:01,560 INFO L225 Difference]: With dead ends: 3078 [2024-11-12 07:12:01,561 INFO L226 Difference]: Without dead ends: 1858 [2024-11-12 07:12:01,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-12 07:12:01,564 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 132 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 07:12:01,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 2993 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 07:12:01,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2024-11-12 07:12:01,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1854. [2024-11-12 07:12:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1854 states, 1572 states have (on average 1.3346055979643765) internal successors, (2098), 1588 states have internal predecessors, (2098), 242 states have call successors, (242), 39 states have call predecessors, (242), 39 states have return successors, (242), 226 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-12 07:12:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2582 transitions. [2024-11-12 07:12:01,756 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 2582 transitions. Word has length 155 [2024-11-12 07:12:01,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:12:01,758 INFO L471 AbstractCegarLoop]: Abstraction has 1854 states and 2582 transitions. [2024-11-12 07:12:01,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:12:01,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2582 transitions. [2024-11-12 07:12:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:12:01,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:12:01,761 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:12:01,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 07:12:01,762 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:12:01,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:12:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash 826042960, now seen corresponding path program 1 times [2024-11-12 07:12:01,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:12:01,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246652803] [2024-11-12 07:12:01,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:12:01,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:12:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:12:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:12:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:12:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:12:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:12:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:12:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:12:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:12:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:12:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:12:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:12:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:12:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:12:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:12:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:12:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:12:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:12:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:12:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:12:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:12:02,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:12:02,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246652803] [2024-11-12 07:12:02,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246652803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:12:02,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:12:02,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 07:12:02,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529783504] [2024-11-12 07:12:02,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:12:02,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 07:12:02,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:12:02,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 07:12:02,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 07:12:02,078 INFO L87 Difference]: Start difference. First operand 1854 states and 2582 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:12:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:12:02,419 INFO L93 Difference]: Finished difference Result 3730 states and 5172 transitions. [2024-11-12 07:12:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 07:12:02,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-12 07:12:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:12:02,429 INFO L225 Difference]: With dead ends: 3730 [2024-11-12 07:12:02,429 INFO L226 Difference]: Without dead ends: 1911 [2024-11-12 07:12:02,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:12:02,434 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 100 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:12:02,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 592 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:12:02,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2024-11-12 07:12:02,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1348. [2024-11-12 07:12:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1161 states have (on average 1.3505598621877692) internal successors, (1568), 1170 states have internal predecessors, (1568), 159 states have call successors, (159), 27 states have call predecessors, (159), 27 states have return successors, (159), 150 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-12 07:12:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1886 transitions. [2024-11-12 07:12:02,568 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1886 transitions. Word has length 155 [2024-11-12 07:12:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:12:02,571 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1886 transitions. [2024-11-12 07:12:02,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-12 07:12:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1886 transitions. [2024-11-12 07:12:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:12:02,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:12:02,573 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:12:02,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 07:12:02,574 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:12:02,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:12:02,574 INFO L85 PathProgramCache]: Analyzing trace with hash -453820718, now seen corresponding path program 1 times [2024-11-12 07:12:02,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:12:02,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713726680] [2024-11-12 07:12:02,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:12:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:12:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:12:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:12:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:12:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:12:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:12:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:12:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:12:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:12:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:12:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:12:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:12:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:12:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:12:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:12:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:12:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:12:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:12:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:12:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:12:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:12:04,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:12:04,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713726680] [2024-11-12 07:12:04,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713726680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:12:04,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:12:04,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 07:12:04,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740309160] [2024-11-12 07:12:04,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:12:04,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 07:12:04,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:12:04,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 07:12:04,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-12 07:12:04,546 INFO L87 Difference]: Start difference. First operand 1348 states and 1886 transitions. Second operand has 15 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 15 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:12:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:12:06,314 INFO L93 Difference]: Finished difference Result 3018 states and 4216 transitions. [2024-11-12 07:12:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 07:12:06,315 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 15 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) Word has length 155 [2024-11-12 07:12:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:12:06,325 INFO L225 Difference]: With dead ends: 3018 [2024-11-12 07:12:06,326 INFO L226 Difference]: Without dead ends: 1701 [2024-11-12 07:12:06,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2024-11-12 07:12:06,330 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 811 mSDsluCounter, 2393 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:12:06,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 2673 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 07:12:06,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-11-12 07:12:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1376. [2024-11-12 07:12:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1189 states have (on average 1.3549201009251473) internal successors, (1611), 1198 states have internal predecessors, (1611), 159 states have call successors, (159), 27 states have call predecessors, (159), 27 states have return successors, (159), 150 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-12 07:12:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1929 transitions. [2024-11-12 07:12:06,532 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1929 transitions. Word has length 155 [2024-11-12 07:12:06,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:12:06,533 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1929 transitions. [2024-11-12 07:12:06,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 15 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:12:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1929 transitions. [2024-11-12 07:12:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:12:06,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:12:06,536 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:12:06,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-12 07:12:06,540 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:12:06,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:12:06,540 INFO L85 PathProgramCache]: Analyzing trace with hash 903375884, now seen corresponding path program 1 times [2024-11-12 07:12:06,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:12:06,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470221649] [2024-11-12 07:12:06,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:12:06,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:12:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:12:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:12:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:12:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:12:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:12:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:12:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:12:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:12:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:12:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:12:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:12:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:12:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:12:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:12:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:12:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:12:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:12:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:12:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:12:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:12:07,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:12:07,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470221649] [2024-11-12 07:12:07,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470221649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:12:07,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:12:07,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 07:12:07,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232860990] [2024-11-12 07:12:07,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:12:07,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 07:12:07,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:12:07,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 07:12:07,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 07:12:07,038 INFO L87 Difference]: Start difference. First operand 1376 states and 1929 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:12:07,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:12:07,416 INFO L93 Difference]: Finished difference Result 2956 states and 4116 transitions. [2024-11-12 07:12:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 07:12:07,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-12 07:12:07,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:12:07,424 INFO L225 Difference]: With dead ends: 2956 [2024-11-12 07:12:07,424 INFO L226 Difference]: Without dead ends: 1615 [2024-11-12 07:12:07,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 07:12:07,429 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 133 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 07:12:07,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 682 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 07:12:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2024-11-12 07:12:07,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1294. [2024-11-12 07:12:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1107 states have (on average 1.3432700993676603) internal successors, (1487), 1116 states have internal predecessors, (1487), 159 states have call successors, (159), 27 states have call predecessors, (159), 27 states have return successors, (159), 150 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-12 07:12:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1805 transitions. [2024-11-12 07:12:07,583 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1805 transitions. Word has length 155 [2024-11-12 07:12:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:12:07,584 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1805 transitions. [2024-11-12 07:12:07,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 07:12:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1805 transitions. [2024-11-12 07:12:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:12:07,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:12:07,586 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:12:07,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-12 07:12:07,586 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:12:07,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:12:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash -940661554, now seen corresponding path program 1 times [2024-11-12 07:12:07,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:12:07,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629316687] [2024-11-12 07:12:07,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:12:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:12:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:12:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:12:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:12:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:12:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:12:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:12:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:12:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:12:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:12:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:12:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:12:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:12:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:12:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:12:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:12:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:12:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:12:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:12:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:12:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:12:08,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:12:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629316687] [2024-11-12 07:12:08,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629316687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:12:08,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:12:08,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 07:12:08,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527588003] [2024-11-12 07:12:08,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:12:08,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 07:12:08,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:12:08,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 07:12:08,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2024-11-12 07:12:08,736 INFO L87 Difference]: Start difference. First operand 1294 states and 1805 transitions. Second operand has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:12:09,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 07:12:09,615 INFO L93 Difference]: Finished difference Result 2785 states and 3872 transitions. [2024-11-12 07:12:09,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 07:12:09,615 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-12 07:12:09,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 07:12:09,623 INFO L225 Difference]: With dead ends: 2785 [2024-11-12 07:12:09,623 INFO L226 Difference]: Without dead ends: 1526 [2024-11-12 07:12:09,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-12 07:12:09,627 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 118 mSDsluCounter, 3007 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 3282 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 07:12:09,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 3282 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 07:12:09,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2024-11-12 07:12:09,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1294. [2024-11-12 07:12:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1107 states have (on average 1.3423667570009032) internal successors, (1486), 1116 states have internal predecessors, (1486), 159 states have call successors, (159), 27 states have call predecessors, (159), 27 states have return successors, (159), 150 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-12 07:12:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1804 transitions. [2024-11-12 07:12:09,759 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1804 transitions. Word has length 155 [2024-11-12 07:12:09,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 07:12:09,759 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1804 transitions. [2024-11-12 07:12:09,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.5) internal successors, (63), 16 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-12 07:12:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1804 transitions. [2024-11-12 07:12:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-12 07:12:09,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 07:12:09,761 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 07:12:09,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 07:12:09,762 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 07:12:09,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 07:12:09,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1869854258, now seen corresponding path program 1 times [2024-11-12 07:12:09,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 07:12:09,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674704616] [2024-11-12 07:12:09,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 07:12:09,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 07:12:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 07:12:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 07:12:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 07:12:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 07:12:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 07:12:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 07:12:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-12 07:12:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 07:12:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 07:12:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 07:12:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 07:12:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 07:12:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 07:12:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 07:12:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 07:12:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 07:12:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 07:12:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 07:12:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 07:12:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 07:12:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-12 07:12:17,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 07:12:17,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674704616] [2024-11-12 07:12:17,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674704616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 07:12:17,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 07:12:17,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-12 07:12:17,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520858535] [2024-11-12 07:12:17,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 07:12:17,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 07:12:17,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 07:12:17,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 07:12:17,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-11-12 07:12:17,711 INFO L87 Difference]: Start difference. First operand 1294 states and 1804 transitions. Second operand has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-12 07:12:20,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 07:12:25,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 07:12:27,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 07:12:30,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []