./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_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 10471332ed8d2599b04e210a8f5e1cfca6044f5eaf06c2a8c3075acc10d9721c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:28:40,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:28:40,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:28:40,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:28:40,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:28:40,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:28:40,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:28:40,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:28:40,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:28:40,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:28:40,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:28:40,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:28:40,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:28:40,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:28:40,917 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:28:40,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:28:40,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:28:40,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:28:40,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:28:40,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:28:40,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:28:40,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:28:40,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:28:40,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:28:40,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:28:40,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:28:40,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:28:40,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:28:40,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:28:40,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:28:40,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:28:40,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:28:40,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:28:40,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:28:40,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:28:40,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:28:40,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:28:40,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:28:40,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:28:40,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:28:40,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:28:40,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:28:40,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10471332ed8d2599b04e210a8f5e1cfca6044f5eaf06c2a8c3075acc10d9721c [2024-10-24 11:28:41,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:28:41,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:28:41,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:28:41,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:28:41,207 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:28:41,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-56.i [2024-10-24 11:28:42,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:28:42,861 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:28:42,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-56.i [2024-10-24 11:28:42,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852918745/0dc7ceb220ef4f7da942c46bd61c98d4/FLAG78c925973 [2024-10-24 11:28:42,888 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852918745/0dc7ceb220ef4f7da942c46bd61c98d4 [2024-10-24 11:28:42,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:28:42,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:28:42,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:28:42,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:28:42,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:28:42,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:28:42" (1/1) ... [2024-10-24 11:28:42,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7b4073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:42, skipping insertion in model container [2024-10-24 11:28:42,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:28:42" (1/1) ... [2024-10-24 11:28:42,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:28:43,101 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-56.i[917,930] [2024-10-24 11:28:43,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:28:43,201 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:28:43,213 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-56.i[917,930] [2024-10-24 11:28:43,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:28:43,318 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:28:43,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43 WrapperNode [2024-10-24 11:28:43,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:28:43,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:28:43,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:28:43,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:28:43,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,382 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 589 [2024-10-24 11:28:43,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:28:43,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:28:43,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:28:43,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:28:43,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,431 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]. [2024-10-24 11:28:43,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:28:43,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:28:43,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:28:43,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:28:43,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (1/1) ... [2024-10-24 11:28:43,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:28:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:28:43,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 11:28:43,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 11:28:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:28:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-24 11:28:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-24 11:28:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-24 11:28:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-24 11:28:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-24 11:28:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 11:28:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 11:28:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 11:28:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 11:28:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 11:28:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-24 11:28:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-24 11:28:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-24 11:28:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-24 11:28:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-24 11:28:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 11:28:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 11:28:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 11:28:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 11:28:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 11:28:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-24 11:28:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-24 11:28:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-24 11:28:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-24 11:28:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-24 11:28:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:28:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:28:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:28:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 11:28:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 11:28:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 11:28:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 11:28:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:28:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:28:43,736 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:28:43,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:28:44,356 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-10-24 11:28:44,356 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:28:44,421 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:28:44,421 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:28:44,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:28:44 BoogieIcfgContainer [2024-10-24 11:28:44,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:28:44,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:28:44,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:28:44,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:28:44,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:28:42" (1/3) ... [2024-10-24 11:28:44,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5739fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:28:44, skipping insertion in model container [2024-10-24 11:28:44,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:28:43" (2/3) ... [2024-10-24 11:28:44,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5739fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:28:44, skipping insertion in model container [2024-10-24 11:28:44,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:28:44" (3/3) ... [2024-10-24 11:28:44,433 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-56.i [2024-10-24 11:28:44,449 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:28:44,449 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:28:44,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:28:44,528 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;@71a4a3f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:28:44,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:28:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 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) [2024-10-24 11:28:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-24 11:28:44,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:44,551 INFO L215 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] [2024-10-24 11:28:44,551 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:44,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 324905954, now seen corresponding path program 1 times [2024-10-24 11:28:44,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:44,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522588709] [2024-10-24 11:28:44,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:44,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:44,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:45,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:45,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522588709] [2024-10-24 11:28:45,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522588709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:45,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:45,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:28:45,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068154557] [2024-10-24 11:28:45,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:45,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:28:45,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:45,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:28:45,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:28:45,103 INFO L87 Difference]: Start difference. First operand has 119 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 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) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-10-24 11:28:45,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:45,157 INFO L93 Difference]: Finished difference Result 235 states and 377 transitions. [2024-10-24 11:28:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:28:45,160 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 146 [2024-10-24 11:28:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:45,170 INFO L225 Difference]: With dead ends: 235 [2024-10-24 11:28:45,170 INFO L226 Difference]: Without dead ends: 117 [2024-10-24 11:28:45,175 INFO L431 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 [2024-10-24 11:28:45,180 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:45,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:28:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-24 11:28:45,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-24 11:28:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 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) [2024-10-24 11:28:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 175 transitions. [2024-10-24 11:28:45,239 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 175 transitions. Word has length 146 [2024-10-24 11:28:45,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:45,239 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 175 transitions. [2024-10-24 11:28:45,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-10-24 11:28:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions. [2024-10-24 11:28:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-24 11:28:45,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:45,244 INFO L215 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] [2024-10-24 11:28:45,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:28:45,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:45,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1721784600, now seen corresponding path program 1 times [2024-10-24 11:28:45,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:45,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518394332] [2024-10-24 11:28:45,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:45,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:45,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:45,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518394332] [2024-10-24 11:28:45,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518394332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:45,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:45,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:28:45,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787368092] [2024-10-24 11:28:45,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:45,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:28:45,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:28:45,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:28:45,627 INFO L87 Difference]: Start difference. First operand 117 states and 175 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-10-24 11:28:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:45,678 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2024-10-24 11:28:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:28:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 146 [2024-10-24 11:28:45,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:45,681 INFO L225 Difference]: With dead ends: 234 [2024-10-24 11:28:45,681 INFO L226 Difference]: Without dead ends: 118 [2024-10-24 11:28:45,682 INFO L431 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 [2024-10-24 11:28:45,686 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 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 [2024-10-24 11:28:45,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:28:45,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-24 11:28:45,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-10-24 11:28:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.422680412371134) internal successors, (138), 97 states have internal predecessors, (138), 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) [2024-10-24 11:28:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 176 transitions. [2024-10-24 11:28:45,705 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 176 transitions. Word has length 146 [2024-10-24 11:28:45,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:45,711 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 176 transitions. [2024-10-24 11:28:45,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-10-24 11:28:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2024-10-24 11:28:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-24 11:28:45,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:45,717 INFO L215 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] [2024-10-24 11:28:45,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 11:28:45,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:45,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash 884238954, now seen corresponding path program 1 times [2024-10-24 11:28:45,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:45,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571608394] [2024-10-24 11:28:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:45,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:47,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:47,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571608394] [2024-10-24 11:28:47,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571608394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:47,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:47,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 11:28:47,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368970238] [2024-10-24 11:28:47,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:47,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 11:28:47,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 11:28:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 11:28:47,186 INFO L87 Difference]: Start difference. First operand 118 states and 176 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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) [2024-10-24 11:28:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:47,865 INFO L93 Difference]: Finished difference Result 324 states and 482 transitions. [2024-10-24 11:28:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 11:28:47,866 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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 146 [2024-10-24 11:28:47,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:47,870 INFO L225 Difference]: With dead ends: 324 [2024-10-24 11:28:47,872 INFO L226 Difference]: Without dead ends: 207 [2024-10-24 11:28:47,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-24 11:28:47,875 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 316 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:47,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1423 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 11:28:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-10-24 11:28:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2024-10-24 11:28:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 173 states have (on average 1.4335260115606936) internal successors, (248), 174 states have internal predecessors, (248), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 11:28:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 304 transitions. [2024-10-24 11:28:47,904 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 304 transitions. Word has length 146 [2024-10-24 11:28:47,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:47,906 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 304 transitions. [2024-10-24 11:28:47,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 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) [2024-10-24 11:28:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 304 transitions. [2024-10-24 11:28:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-24 11:28:47,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:47,912 INFO L215 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] [2024-10-24 11:28:47,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 11:28:47,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:47,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2039364219, now seen corresponding path program 1 times [2024-10-24 11:28:47,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:47,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398528992] [2024-10-24 11:28:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:48,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:48,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398528992] [2024-10-24 11:28:48,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398528992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:48,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:48,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:28:48,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767946272] [2024-10-24 11:28:48,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:48,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:28:48,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:48,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:28:48,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:28:48,075 INFO L87 Difference]: Start difference. First operand 204 states and 304 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 11:28:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:48,110 INFO L93 Difference]: Finished difference Result 408 states and 609 transitions. [2024-10-24 11:28:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:28:48,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 147 [2024-10-24 11:28:48,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:48,114 INFO L225 Difference]: With dead ends: 408 [2024-10-24 11:28:48,114 INFO L226 Difference]: Without dead ends: 205 [2024-10-24 11:28:48,115 INFO L431 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 [2024-10-24 11:28:48,116 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:48,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:28:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-10-24 11:28:48,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-10-24 11:28:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 174 states have (on average 1.4310344827586208) internal successors, (249), 175 states have internal predecessors, (249), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 11:28:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 305 transitions. [2024-10-24 11:28:48,130 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 305 transitions. Word has length 147 [2024-10-24 11:28:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:48,131 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 305 transitions. [2024-10-24 11:28:48,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 11:28:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2024-10-24 11:28:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-24 11:28:48,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:48,133 INFO L215 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] [2024-10-24 11:28:48,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 11:28:48,133 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:48,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:48,134 INFO L85 PathProgramCache]: Analyzing trace with hash 493615657, now seen corresponding path program 1 times [2024-10-24 11:28:48,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:48,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419329135] [2024-10-24 11:28:48,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:48,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:48,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:48,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419329135] [2024-10-24 11:28:48,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419329135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:48,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:48,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:28:48,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135376548] [2024-10-24 11:28:48,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:48,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:28:48,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:28:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:28:48,308 INFO L87 Difference]: Start difference. First operand 205 states and 305 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 11:28:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:48,344 INFO L93 Difference]: Finished difference Result 411 states and 613 transitions. [2024-10-24 11:28:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:28:48,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 147 [2024-10-24 11:28:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:48,347 INFO L225 Difference]: With dead ends: 411 [2024-10-24 11:28:48,347 INFO L226 Difference]: Without dead ends: 207 [2024-10-24 11:28:48,348 INFO L431 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 [2024-10-24 11:28:48,349 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:48,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:28:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-10-24 11:28:48,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-10-24 11:28:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 176 states have (on average 1.4261363636363635) internal successors, (251), 177 states have internal predecessors, (251), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 11:28:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 307 transitions. [2024-10-24 11:28:48,364 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 307 transitions. Word has length 147 [2024-10-24 11:28:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:48,365 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 307 transitions. [2024-10-24 11:28:48,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-10-24 11:28:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 307 transitions. [2024-10-24 11:28:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:48,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:48,367 INFO L215 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] [2024-10-24 11:28:48,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 11:28:48,367 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:48,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:48,368 INFO L85 PathProgramCache]: Analyzing trace with hash 87220421, now seen corresponding path program 1 times [2024-10-24 11:28:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:48,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882737921] [2024-10-24 11:28:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:48,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:48,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:48,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882737921] [2024-10-24 11:28:48,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882737921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:48,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:48,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:28:48,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60375834] [2024-10-24 11:28:48,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:48,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:28:48,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:48,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:28:48,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:28:48,628 INFO L87 Difference]: Start difference. First operand 207 states and 307 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:28:48,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:48,667 INFO L93 Difference]: Finished difference Result 419 states and 621 transitions. [2024-10-24 11:28:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:28:48,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 148 [2024-10-24 11:28:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:48,670 INFO L225 Difference]: With dead ends: 419 [2024-10-24 11:28:48,670 INFO L226 Difference]: Without dead ends: 213 [2024-10-24 11:28:48,671 INFO L431 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 [2024-10-24 11:28:48,671 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:48,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 661 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:28:48,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-24 11:28:48,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-24 11:28:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 182 states have (on average 1.4120879120879122) internal successors, (257), 183 states have internal predecessors, (257), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 11:28:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 313 transitions. [2024-10-24 11:28:48,684 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 313 transitions. Word has length 148 [2024-10-24 11:28:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:48,684 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 313 transitions. [2024-10-24 11:28:48,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:28:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 313 transitions. [2024-10-24 11:28:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:48,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:48,686 INFO L215 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] [2024-10-24 11:28:48,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 11:28:48,687 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:48,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:48,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1603206000, now seen corresponding path program 1 times [2024-10-24 11:28:48,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:48,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759067842] [2024-10-24 11:28:48,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:48,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:51,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:51,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759067842] [2024-10-24 11:28:51,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759067842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:51,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:51,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 11:28:51,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003281160] [2024-10-24 11:28:51,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:51,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 11:28:51,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:51,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 11:28:51,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-24 11:28:51,191 INFO L87 Difference]: Start difference. First operand 213 states and 313 transitions. Second operand has 14 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:28:52,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:52,710 INFO L93 Difference]: Finished difference Result 547 states and 801 transitions. [2024-10-24 11:28:52,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 11:28:52,711 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2024-10-24 11:28:52,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:52,714 INFO L225 Difference]: With dead ends: 547 [2024-10-24 11:28:52,714 INFO L226 Difference]: Without dead ends: 335 [2024-10-24 11:28:52,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-10-24 11:28:52,715 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 754 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:52,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 919 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 11:28:52,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-24 11:28:52,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 237. [2024-10-24 11:28:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 206 states have (on average 1.4320388349514563) internal successors, (295), 207 states have internal predecessors, (295), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 11:28:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 351 transitions. [2024-10-24 11:28:52,739 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 351 transitions. Word has length 148 [2024-10-24 11:28:52,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:52,740 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 351 transitions. [2024-10-24 11:28:52,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:28:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 351 transitions. [2024-10-24 11:28:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:52,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:52,742 INFO L215 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] [2024-10-24 11:28:52,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 11:28:52,742 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:52,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:52,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1680644046, now seen corresponding path program 1 times [2024-10-24 11:28:52,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:52,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443675001] [2024-10-24 11:28:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:53,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:53,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443675001] [2024-10-24 11:28:53,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443675001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:53,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:53,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 11:28:53,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487124565] [2024-10-24 11:28:53,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:53,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 11:28:53,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:53,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 11:28:53,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:28:53,685 INFO L87 Difference]: Start difference. First operand 237 states and 351 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2024-10-24 11:28:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:54,365 INFO L93 Difference]: Finished difference Result 765 states and 1119 transitions. [2024-10-24 11:28:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 11:28:54,366 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 148 [2024-10-24 11:28:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:54,369 INFO L225 Difference]: With dead ends: 765 [2024-10-24 11:28:54,370 INFO L226 Difference]: Without dead ends: 529 [2024-10-24 11:28:54,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-24 11:28:54,373 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 617 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:54,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 920 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 11:28:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-10-24 11:28:54,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 400. [2024-10-24 11:28:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 347 states have (on average 1.4178674351585014) internal successors, (492), 350 states have internal predecessors, (492), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 11:28:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 588 transitions. [2024-10-24 11:28:54,427 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 588 transitions. Word has length 148 [2024-10-24 11:28:54,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:54,428 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 588 transitions. [2024-10-24 11:28:54,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2024-10-24 11:28:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 588 transitions. [2024-10-24 11:28:54,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:54,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:54,430 INFO L215 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] [2024-10-24 11:28:54,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 11:28:54,430 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:54,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:54,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1938809484, now seen corresponding path program 1 times [2024-10-24 11:28:54,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:54,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503597901] [2024-10-24 11:28:54,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:54,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:55,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:55,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503597901] [2024-10-24 11:28:55,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503597901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:55,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:55,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 11:28:55,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433492186] [2024-10-24 11:28:55,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:55,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 11:28:55,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:55,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 11:28:55,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 11:28:55,597 INFO L87 Difference]: Start difference. First operand 400 states and 588 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2024-10-24 11:28:56,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:56,175 INFO L93 Difference]: Finished difference Result 796 states and 1169 transitions. [2024-10-24 11:28:56,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 11:28:56,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 148 [2024-10-24 11:28:56,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:56,180 INFO L225 Difference]: With dead ends: 796 [2024-10-24 11:28:56,180 INFO L226 Difference]: Without dead ends: 397 [2024-10-24 11:28:56,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:28:56,183 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 261 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:56,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 633 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 11:28:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-24 11:28:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 394. [2024-10-24 11:28:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 341 states have (on average 1.4134897360703813) internal successors, (482), 344 states have internal predecessors, (482), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 11:28:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 578 transitions. [2024-10-24 11:28:56,230 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 578 transitions. Word has length 148 [2024-10-24 11:28:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:56,233 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 578 transitions. [2024-10-24 11:28:56,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2024-10-24 11:28:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 578 transitions. [2024-10-24 11:28:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:56,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:56,235 INFO L215 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] [2024-10-24 11:28:56,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 11:28:56,235 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1488391628, now seen corresponding path program 1 times [2024-10-24 11:28:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:56,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208292387] [2024-10-24 11:28:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:56,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:56,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:56,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208292387] [2024-10-24 11:28:56,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208292387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:56,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:56,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:28:56,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120418690] [2024-10-24 11:28:56,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:56,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:28:56,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:28:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:28:56,403 INFO L87 Difference]: Start difference. First operand 394 states and 578 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:28:56,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:56,522 INFO L93 Difference]: Finished difference Result 1017 states and 1496 transitions. [2024-10-24 11:28:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:28:56,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 148 [2024-10-24 11:28:56,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:56,526 INFO L225 Difference]: With dead ends: 1017 [2024-10-24 11:28:56,526 INFO L226 Difference]: Without dead ends: 624 [2024-10-24 11:28:56,527 INFO L431 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 [2024-10-24 11:28:56,528 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 75 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:56,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 624 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:28:56,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-10-24 11:28:56,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 473. [2024-10-24 11:28:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 423 states have internal predecessors, (606), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 11:28:56,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 702 transitions. [2024-10-24 11:28:56,582 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 702 transitions. Word has length 148 [2024-10-24 11:28:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:56,582 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 702 transitions. [2024-10-24 11:28:56,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:28:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 702 transitions. [2024-10-24 11:28:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:56,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:56,587 INFO L215 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] [2024-10-24 11:28:56,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 11:28:56,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:56,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash 799026180, now seen corresponding path program 1 times [2024-10-24 11:28:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:56,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394063200] [2024-10-24 11:28:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:56,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:28:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:28:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:28:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:28:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:28:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:28:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:28:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:28:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:28:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:28:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:28:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:28:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:28:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:28:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:28:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:28:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:28:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:28:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:28:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:28:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:28:58,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:28:58,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394063200] [2024-10-24 11:28:58,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394063200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:28:58,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:28:58,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 11:28:58,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446454704] [2024-10-24 11:28:58,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:28:58,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 11:28:58,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:28:58,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 11:28:58,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-10-24 11:28:58,360 INFO L87 Difference]: Start difference. First operand 473 states and 702 transitions. Second operand has 14 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:28:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:28:59,775 INFO L93 Difference]: Finished difference Result 952 states and 1408 transitions. [2024-10-24 11:28:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 11:28:59,776 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2024-10-24 11:28:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:28:59,778 INFO L225 Difference]: With dead ends: 952 [2024-10-24 11:28:59,778 INFO L226 Difference]: Without dead ends: 480 [2024-10-24 11:28:59,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-10-24 11:28:59,781 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 672 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:28:59,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 1365 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 11:28:59,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-10-24 11:28:59,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 416. [2024-10-24 11:28:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 372 states have (on average 1.446236559139785) internal successors, (538), 374 states have internal predecessors, (538), 39 states have call successors, (39), 4 states have call predecessors, (39), 4 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-24 11:28:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 616 transitions. [2024-10-24 11:28:59,820 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 616 transitions. Word has length 148 [2024-10-24 11:28:59,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:28:59,820 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 616 transitions. [2024-10-24 11:28:59,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:28:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 616 transitions. [2024-10-24 11:28:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:28:59,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:28:59,822 INFO L215 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] [2024-10-24 11:28:59,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 11:28:59,822 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:28:59,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:28:59,823 INFO L85 PathProgramCache]: Analyzing trace with hash 320022034, now seen corresponding path program 1 times [2024-10-24 11:28:59,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:28:59,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043186635] [2024-10-24 11:28:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:28:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:28:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:00,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:00,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043186635] [2024-10-24 11:29:00,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043186635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:00,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:00,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 11:29:00,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052157286] [2024-10-24 11:29:00,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:00,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 11:29:00,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 11:29:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 11:29:00,848 INFO L87 Difference]: Start difference. First operand 416 states and 616 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2024-10-24 11:29:01,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:01,370 INFO L93 Difference]: Finished difference Result 924 states and 1367 transitions. [2024-10-24 11:29:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 11:29:01,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 148 [2024-10-24 11:29:01,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:01,374 INFO L225 Difference]: With dead ends: 924 [2024-10-24 11:29:01,374 INFO L226 Difference]: Without dead ends: 509 [2024-10-24 11:29:01,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:29:01,375 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 399 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:01,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 778 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 11:29:01,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-24 11:29:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 506. [2024-10-24 11:29:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 450 states have (on average 1.44) internal successors, (648), 453 states have internal predecessors, (648), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 11:29:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 748 transitions. [2024-10-24 11:29:01,422 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 748 transitions. Word has length 148 [2024-10-24 11:29:01,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:01,424 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 748 transitions. [2024-10-24 11:29:01,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2024-10-24 11:29:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 748 transitions. [2024-10-24 11:29:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:29:01,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:01,426 INFO L215 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] [2024-10-24 11:29:01,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 11:29:01,426 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:01,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:01,427 INFO L85 PathProgramCache]: Analyzing trace with hash -691095216, now seen corresponding path program 1 times [2024-10-24 11:29:01,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:01,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378843694] [2024-10-24 11:29:01,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:01,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:03,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:03,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378843694] [2024-10-24 11:29:03,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378843694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:03,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:03,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 11:29:03,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541708116] [2024-10-24 11:29:03,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:03,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 11:29:03,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:03,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 11:29:03,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-24 11:29:03,548 INFO L87 Difference]: Start difference. First operand 506 states and 748 transitions. Second operand has 15 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 14 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:05,408 INFO L93 Difference]: Finished difference Result 1070 states and 1577 transitions. [2024-10-24 11:29:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 11:29:05,409 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 14 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2024-10-24 11:29:05,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:05,413 INFO L225 Difference]: With dead ends: 1070 [2024-10-24 11:29:05,413 INFO L226 Difference]: Without dead ends: 565 [2024-10-24 11:29:05,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-10-24 11:29:05,415 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 723 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:05,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1465 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 11:29:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-24 11:29:05,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 506. [2024-10-24 11:29:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 450 states have (on average 1.4377777777777778) internal successors, (647), 453 states have internal predecessors, (647), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 11:29:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 747 transitions. [2024-10-24 11:29:05,464 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 747 transitions. Word has length 148 [2024-10-24 11:29:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:05,464 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 747 transitions. [2024-10-24 11:29:05,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 14 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 747 transitions. [2024-10-24 11:29:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:29:05,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:05,467 INFO L215 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] [2024-10-24 11:29:05,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 11:29:05,468 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:05,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:05,468 INFO L85 PathProgramCache]: Analyzing trace with hash -432929778, now seen corresponding path program 1 times [2024-10-24 11:29:05,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:05,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835031896] [2024-10-24 11:29:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:05,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:07,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:07,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835031896] [2024-10-24 11:29:07,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835031896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:07,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:07,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 11:29:07,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884484094] [2024-10-24 11:29:07,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:07,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 11:29:07,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:07,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 11:29:07,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-24 11:29:07,269 INFO L87 Difference]: Start difference. First operand 506 states and 747 transitions. Second operand has 14 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:08,848 INFO L93 Difference]: Finished difference Result 1039 states and 1531 transitions. [2024-10-24 11:29:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 11:29:08,853 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2024-10-24 11:29:08,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:08,856 INFO L225 Difference]: With dead ends: 1039 [2024-10-24 11:29:08,856 INFO L226 Difference]: Without dead ends: 534 [2024-10-24 11:29:08,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-10-24 11:29:08,857 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 560 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:08,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1357 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 11:29:08,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-10-24 11:29:08,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 503. [2024-10-24 11:29:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 447 states have (on average 1.4384787472035794) internal successors, (643), 450 states have internal predecessors, (643), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 11:29:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 743 transitions. [2024-10-24 11:29:08,906 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 743 transitions. Word has length 148 [2024-10-24 11:29:08,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:08,906 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 743 transitions. [2024-10-24 11:29:08,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 743 transitions. [2024-10-24 11:29:08,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:29:08,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:08,908 INFO L215 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] [2024-10-24 11:29:08,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 11:29:08,909 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:08,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1314547644, now seen corresponding path program 1 times [2024-10-24 11:29:08,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:08,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940717493] [2024-10-24 11:29:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:08,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:09,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:09,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940717493] [2024-10-24 11:29:09,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940717493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:09,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:09,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:29:09,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637343471] [2024-10-24 11:29:09,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:09,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:29:09,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:09,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:29:09,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:29:09,170 INFO L87 Difference]: Start difference. First operand 503 states and 743 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:29:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:09,331 INFO L93 Difference]: Finished difference Result 1005 states and 1485 transitions. [2024-10-24 11:29:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:29:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 148 [2024-10-24 11:29:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:09,334 INFO L225 Difference]: With dead ends: 1005 [2024-10-24 11:29:09,334 INFO L226 Difference]: Without dead ends: 503 [2024-10-24 11:29:09,338 INFO L431 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 [2024-10-24 11:29:09,339 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 4 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:09,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 594 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:29:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-24 11:29:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-10-24 11:29:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 447 states have (on average 1.4340044742729305) internal successors, (641), 450 states have internal predecessors, (641), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 11:29:09,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 741 transitions. [2024-10-24 11:29:09,384 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 741 transitions. Word has length 148 [2024-10-24 11:29:09,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:09,384 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 741 transitions. [2024-10-24 11:29:09,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:29:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 741 transitions. [2024-10-24 11:29:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:29:09,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:09,386 INFO L215 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] [2024-10-24 11:29:09,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 11:29:09,387 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:09,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1173999034, now seen corresponding path program 1 times [2024-10-24 11:29:09,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:09,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199678737] [2024-10-24 11:29:09,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:09,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:10,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:10,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199678737] [2024-10-24 11:29:10,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199678737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:10,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 11:29:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207240436] [2024-10-24 11:29:10,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:10,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 11:29:10,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:10,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 11:29:10,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-24 11:29:10,859 INFO L87 Difference]: Start difference. First operand 503 states and 741 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:11,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:11,989 INFO L93 Difference]: Finished difference Result 1012 states and 1486 transitions. [2024-10-24 11:29:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 11:29:11,990 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2024-10-24 11:29:11,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:11,993 INFO L225 Difference]: With dead ends: 1012 [2024-10-24 11:29:11,994 INFO L226 Difference]: Without dead ends: 510 [2024-10-24 11:29:11,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-24 11:29:11,995 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 356 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:11,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 1292 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 11:29:11,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-10-24 11:29:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 369. [2024-10-24 11:29:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 335 states have (on average 1.4597014925373135) internal successors, (489), 336 states have internal predecessors, (489), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 11:29:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 549 transitions. [2024-10-24 11:29:12,029 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 549 transitions. Word has length 148 [2024-10-24 11:29:12,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:12,030 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 549 transitions. [2024-10-24 11:29:12,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 549 transitions. [2024-10-24 11:29:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 11:29:12,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:12,032 INFO L215 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] [2024-10-24 11:29:12,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 11:29:12,032 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:12,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:12,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1139181792, now seen corresponding path program 1 times [2024-10-24 11:29:12,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:12,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843854208] [2024-10-24 11:29:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:12,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:12,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843854208] [2024-10-24 11:29:12,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843854208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:12,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:12,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:29:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195336510] [2024-10-24 11:29:12,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:12,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:29:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:29:12,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:29:12,171 INFO L87 Difference]: Start difference. First operand 369 states and 549 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:29:12,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:12,302 INFO L93 Difference]: Finished difference Result 781 states and 1155 transitions. [2024-10-24 11:29:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:29:12,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 148 [2024-10-24 11:29:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:12,308 INFO L225 Difference]: With dead ends: 781 [2024-10-24 11:29:12,308 INFO L226 Difference]: Without dead ends: 413 [2024-10-24 11:29:12,309 INFO L431 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 [2024-10-24 11:29:12,310 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 89 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:12,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 778 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:29:12,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-24 11:29:12,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 368. [2024-10-24 11:29:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 334 states have (on average 1.4461077844311376) internal successors, (483), 335 states have internal predecessors, (483), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 11:29:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 543 transitions. [2024-10-24 11:29:12,361 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 543 transitions. Word has length 148 [2024-10-24 11:29:12,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:12,362 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 543 transitions. [2024-10-24 11:29:12,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-10-24 11:29:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 543 transitions. [2024-10-24 11:29:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-24 11:29:12,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:12,364 INFO L215 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] [2024-10-24 11:29:12,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 11:29:12,364 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:12,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:12,365 INFO L85 PathProgramCache]: Analyzing trace with hash -4950711, now seen corresponding path program 1 times [2024-10-24 11:29:12,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:12,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722173184] [2024-10-24 11:29:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:12,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:12,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722173184] [2024-10-24 11:29:12,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722173184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:12,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:12,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:29:12,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636883588] [2024-10-24 11:29:12,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:12,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:29:12,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:12,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:29:12,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:29:12,482 INFO L87 Difference]: Start difference. First operand 368 states and 543 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-24 11:29:12,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:12,541 INFO L93 Difference]: Finished difference Result 730 states and 1077 transitions. [2024-10-24 11:29:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:29:12,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 149 [2024-10-24 11:29:12,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:12,545 INFO L225 Difference]: With dead ends: 730 [2024-10-24 11:29:12,545 INFO L226 Difference]: Without dead ends: 363 [2024-10-24 11:29:12,546 INFO L431 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 [2024-10-24 11:29:12,547 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:12,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:29:12,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-24 11:29:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 302. [2024-10-24 11:29:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 268 states have (on average 1.414179104477612) internal successors, (379), 269 states have internal predecessors, (379), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 11:29:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 439 transitions. [2024-10-24 11:29:12,596 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 439 transitions. Word has length 149 [2024-10-24 11:29:12,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:12,597 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 439 transitions. [2024-10-24 11:29:12,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-24 11:29:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 439 transitions. [2024-10-24 11:29:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-24 11:29:12,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:12,599 INFO L215 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] [2024-10-24 11:29:12,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 11:29:12,599 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:12,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:12,600 INFO L85 PathProgramCache]: Analyzing trace with hash 670724207, now seen corresponding path program 1 times [2024-10-24 11:29:12,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:12,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516722047] [2024-10-24 11:29:12,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:12,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:12,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:12,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516722047] [2024-10-24 11:29:12,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516722047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:12,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:12,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:29:12,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83985371] [2024-10-24 11:29:12,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:12,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:29:12,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:12,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:29:12,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:29:12,693 INFO L87 Difference]: Start difference. First operand 302 states and 439 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-24 11:29:12,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:12,742 INFO L93 Difference]: Finished difference Result 573 states and 831 transitions. [2024-10-24 11:29:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:29:12,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 149 [2024-10-24 11:29:12,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:12,744 INFO L225 Difference]: With dead ends: 573 [2024-10-24 11:29:12,745 INFO L226 Difference]: Without dead ends: 272 [2024-10-24 11:29:12,745 INFO L431 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 [2024-10-24 11:29:12,746 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:12,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:29:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-10-24 11:29:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-10-24 11:29:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 238 states have (on average 1.3949579831932772) internal successors, (332), 239 states have internal predecessors, (332), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 11:29:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 392 transitions. [2024-10-24 11:29:12,776 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 392 transitions. Word has length 149 [2024-10-24 11:29:12,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:12,777 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 392 transitions. [2024-10-24 11:29:12,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-10-24 11:29:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 392 transitions. [2024-10-24 11:29:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:12,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:12,778 INFO L215 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] [2024-10-24 11:29:12,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 11:29:12,779 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:12,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:12,779 INFO L85 PathProgramCache]: Analyzing trace with hash -419593398, now seen corresponding path program 1 times [2024-10-24 11:29:12,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:12,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539113293] [2024-10-24 11:29:12,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:12,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:14,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:14,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539113293] [2024-10-24 11:29:14,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539113293] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:14,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:14,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-24 11:29:14,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686687297] [2024-10-24 11:29:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:14,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 11:29:14,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:14,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 11:29:14,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-10-24 11:29:14,280 INFO L87 Difference]: Start difference. First operand 272 states and 392 transitions. Second operand has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 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) [2024-10-24 11:29:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:16,046 INFO L93 Difference]: Finished difference Result 930 states and 1326 transitions. [2024-10-24 11:29:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 11:29:16,047 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:16,053 INFO L225 Difference]: With dead ends: 930 [2024-10-24 11:29:16,053 INFO L226 Difference]: Without dead ends: 659 [2024-10-24 11:29:16,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=222, Invalid=1260, Unknown=0, NotChecked=0, Total=1482 [2024-10-24 11:29:16,056 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 771 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:16,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 1837 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 11:29:16,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-24 11:29:16,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 375. [2024-10-24 11:29:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 319 states have (on average 1.3636363636363635) internal successors, (435), 320 states have internal predecessors, (435), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-24 11:29:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 533 transitions. [2024-10-24 11:29:16,125 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 533 transitions. Word has length 150 [2024-10-24 11:29:16,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:16,125 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 533 transitions. [2024-10-24 11:29:16,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 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) [2024-10-24 11:29:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 533 transitions. [2024-10-24 11:29:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:16,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:16,127 INFO L215 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] [2024-10-24 11:29:16,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 11:29:16,127 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:16,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:16,127 INFO L85 PathProgramCache]: Analyzing trace with hash -279044788, now seen corresponding path program 1 times [2024-10-24 11:29:16,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:16,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216874610] [2024-10-24 11:29:16,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:16,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:17,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:17,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216874610] [2024-10-24 11:29:17,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216874610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:17,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:17,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-24 11:29:17,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403348845] [2024-10-24 11:29:17,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:17,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 11:29:17,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:17,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 11:29:17,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-24 11:29:17,769 INFO L87 Difference]: Start difference. First operand 375 states and 533 transitions. Second operand has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:19,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:19,061 INFO L93 Difference]: Finished difference Result 915 states and 1299 transitions. [2024-10-24 11:29:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 11:29:19,062 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-24 11:29:19,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:19,066 INFO L225 Difference]: With dead ends: 915 [2024-10-24 11:29:19,067 INFO L226 Difference]: Without dead ends: 638 [2024-10-24 11:29:19,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=178, Invalid=752, Unknown=0, NotChecked=0, Total=930 [2024-10-24 11:29:19,068 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 603 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:19,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 2037 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 11:29:19,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-10-24 11:29:19,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 409. [2024-10-24 11:29:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 353 states have (on average 1.368271954674221) internal successors, (483), 354 states have internal predecessors, (483), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-24 11:29:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 581 transitions. [2024-10-24 11:29:19,130 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 581 transitions. Word has length 150 [2024-10-24 11:29:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:19,131 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 581 transitions. [2024-10-24 11:29:19,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 581 transitions. [2024-10-24 11:29:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:19,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:19,132 INFO L215 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] [2024-10-24 11:29:19,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 11:29:19,133 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:19,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1888303190, now seen corresponding path program 1 times [2024-10-24 11:29:19,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:19,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031147404] [2024-10-24 11:29:19,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:19,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:20,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:20,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031147404] [2024-10-24 11:29:20,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031147404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:20,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:20,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-10-24 11:29:20,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18853873] [2024-10-24 11:29:20,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:20,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 11:29:20,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:20,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 11:29:20,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-10-24 11:29:20,795 INFO L87 Difference]: Start difference. First operand 409 states and 581 transitions. Second operand has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:22,582 INFO L93 Difference]: Finished difference Result 786 states and 1115 transitions. [2024-10-24 11:29:22,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 11:29:22,584 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2024-10-24 11:29:22,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:22,587 INFO L225 Difference]: With dead ends: 786 [2024-10-24 11:29:22,588 INFO L226 Difference]: Without dead ends: 509 [2024-10-24 11:29:22,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2024-10-24 11:29:22,589 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 599 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:22,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 2484 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 11:29:22,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-24 11:29:22,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 433. [2024-10-24 11:29:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 377 states have (on average 1.3740053050397878) internal successors, (518), 378 states have internal predecessors, (518), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-24 11:29:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 616 transitions. [2024-10-24 11:29:22,655 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 616 transitions. Word has length 150 [2024-10-24 11:29:22,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:22,656 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 616 transitions. [2024-10-24 11:29:22,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 616 transitions. [2024-10-24 11:29:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:22,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:22,658 INFO L215 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] [2024-10-24 11:29:22,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 11:29:22,658 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:22,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1630137752, now seen corresponding path program 1 times [2024-10-24 11:29:22,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:22,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341482979] [2024-10-24 11:29:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:22,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:23,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341482979] [2024-10-24 11:29:23,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341482979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:23,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:23,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 11:29:23,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151164221] [2024-10-24 11:29:23,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:23,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 11:29:23,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:23,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 11:29:23,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 11:29:23,355 INFO L87 Difference]: Start difference. First operand 433 states and 616 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 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) [2024-10-24 11:29:23,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:23,832 INFO L93 Difference]: Finished difference Result 813 states and 1153 transitions. [2024-10-24 11:29:23,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 11:29:23,833 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:23,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:23,836 INFO L225 Difference]: With dead ends: 813 [2024-10-24 11:29:23,836 INFO L226 Difference]: Without dead ends: 512 [2024-10-24 11:29:23,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-24 11:29:23,838 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 477 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:23,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 656 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 11:29:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-10-24 11:29:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 435. [2024-10-24 11:29:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 379 states have (on average 1.3693931398416888) internal successors, (519), 380 states have internal predecessors, (519), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-24 11:29:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 617 transitions. [2024-10-24 11:29:23,902 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 617 transitions. Word has length 150 [2024-10-24 11:29:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:23,902 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 617 transitions. [2024-10-24 11:29:23,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 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) [2024-10-24 11:29:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 617 transitions. [2024-10-24 11:29:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:23,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:23,904 INFO L215 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] [2024-10-24 11:29:23,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 11:29:23,904 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:23,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash 34924844, now seen corresponding path program 1 times [2024-10-24 11:29:23,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:23,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333015786] [2024-10-24 11:29:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:24,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:24,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333015786] [2024-10-24 11:29:24,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333015786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:24,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:24,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:29:24,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660816100] [2024-10-24 11:29:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:24,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:29:24,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:29:24,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:29:24,137 INFO L87 Difference]: Start difference. First operand 435 states and 617 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-10-24 11:29:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:24,346 INFO L93 Difference]: Finished difference Result 715 states and 1017 transitions. [2024-10-24 11:29:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:29:24,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:24,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:24,350 INFO L225 Difference]: With dead ends: 715 [2024-10-24 11:29:24,350 INFO L226 Difference]: Without dead ends: 412 [2024-10-24 11:29:24,351 INFO L431 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 [2024-10-24 11:29:24,352 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 48 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:24,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 561 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:29:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-24 11:29:24,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-10-24 11:29:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 356 states have (on average 1.3623595505617978) internal successors, (485), 357 states have internal predecessors, (485), 49 states have call successors, (49), 6 states have call predecessors, (49), 6 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-24 11:29:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 583 transitions. [2024-10-24 11:29:24,427 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 583 transitions. Word has length 150 [2024-10-24 11:29:24,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:24,428 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 583 transitions. [2024-10-24 11:29:24,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-10-24 11:29:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 583 transitions. [2024-10-24 11:29:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:24,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:24,429 INFO L215 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] [2024-10-24 11:29:24,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 11:29:24,430 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:24,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:24,430 INFO L85 PathProgramCache]: Analyzing trace with hash -54458358, now seen corresponding path program 1 times [2024-10-24 11:29:24,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:24,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343476399] [2024-10-24 11:29:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:24,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:24,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:24,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343476399] [2024-10-24 11:29:24,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343476399] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:24,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:24,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 11:29:24,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653662699] [2024-10-24 11:29:24,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:24,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 11:29:24,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:24,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 11:29:24,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 11:29:24,924 INFO L87 Difference]: Start difference. First operand 412 states and 583 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-24 11:29:25,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:25,279 INFO L93 Difference]: Finished difference Result 931 states and 1323 transitions. [2024-10-24 11:29:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 11:29:25,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:25,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:25,283 INFO L225 Difference]: With dead ends: 931 [2024-10-24 11:29:25,283 INFO L226 Difference]: Without dead ends: 651 [2024-10-24 11:29:25,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-24 11:29:25,284 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 296 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:25,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 913 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 11:29:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-10-24 11:29:25,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 556. [2024-10-24 11:29:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 488 states have (on average 1.3811475409836065) internal successors, (674), 490 states have internal predecessors, (674), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 11:29:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 794 transitions. [2024-10-24 11:29:25,347 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 794 transitions. Word has length 150 [2024-10-24 11:29:25,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:25,347 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 794 transitions. [2024-10-24 11:29:25,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-24 11:29:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 794 transitions. [2024-10-24 11:29:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:25,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:25,349 INFO L215 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] [2024-10-24 11:29:25,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 11:29:25,350 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:25,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:25,350 INFO L85 PathProgramCache]: Analyzing trace with hash 86090252, now seen corresponding path program 1 times [2024-10-24 11:29:25,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:25,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17592234] [2024-10-24 11:29:25,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:25,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:26,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:26,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17592234] [2024-10-24 11:29:26,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17592234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:26,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:26,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 11:29:26,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147622320] [2024-10-24 11:29:26,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:26,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 11:29:26,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:26,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 11:29:26,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-24 11:29:26,004 INFO L87 Difference]: Start difference. First operand 556 states and 794 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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) [2024-10-24 11:29:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:26,821 INFO L93 Difference]: Finished difference Result 1410 states and 2014 transitions. [2024-10-24 11:29:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 11:29:26,821 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:26,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:26,825 INFO L225 Difference]: With dead ends: 1410 [2024-10-24 11:29:26,825 INFO L226 Difference]: Without dead ends: 952 [2024-10-24 11:29:26,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-10-24 11:29:26,827 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 417 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:26,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1959 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 11:29:26,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-10-24 11:29:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 577. [2024-10-24 11:29:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 509 states have (on average 1.387033398821218) internal successors, (706), 511 states have internal predecessors, (706), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 11:29:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 826 transitions. [2024-10-24 11:29:26,898 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 826 transitions. Word has length 150 [2024-10-24 11:29:26,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:26,899 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 826 transitions. [2024-10-24 11:29:26,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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) [2024-10-24 11:29:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 826 transitions. [2024-10-24 11:29:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:26,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:26,901 INFO L215 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] [2024-10-24 11:29:26,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 11:29:26,901 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:26,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:26,901 INFO L85 PathProgramCache]: Analyzing trace with hash 410010988, now seen corresponding path program 1 times [2024-10-24 11:29:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:26,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955131407] [2024-10-24 11:29:26,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:26,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:27,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:27,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955131407] [2024-10-24 11:29:27,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955131407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:27,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:27,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:29:27,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632772081] [2024-10-24 11:29:27,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:27,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:29:27,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:27,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:29:27,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:29:27,164 INFO L87 Difference]: Start difference. First operand 577 states and 826 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-10-24 11:29:27,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:27,344 INFO L93 Difference]: Finished difference Result 1142 states and 1627 transitions. [2024-10-24 11:29:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:29:27,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:27,348 INFO L225 Difference]: With dead ends: 1142 [2024-10-24 11:29:27,348 INFO L226 Difference]: Without dead ends: 684 [2024-10-24 11:29:27,349 INFO L431 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 [2024-10-24 11:29:27,349 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 91 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:27,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 791 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:29:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-10-24 11:29:27,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 577. [2024-10-24 11:29:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 509 states have (on average 1.3831041257367387) internal successors, (704), 511 states have internal predecessors, (704), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 11:29:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 824 transitions. [2024-10-24 11:29:27,422 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 824 transitions. Word has length 150 [2024-10-24 11:29:27,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:27,423 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 824 transitions. [2024-10-24 11:29:27,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-10-24 11:29:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 824 transitions. [2024-10-24 11:29:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:27,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:27,424 INFO L215 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] [2024-10-24 11:29:27,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 11:29:27,425 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:27,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:27,425 INFO L85 PathProgramCache]: Analyzing trace with hash 668176426, now seen corresponding path program 1 times [2024-10-24 11:29:27,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:27,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285096161] [2024-10-24 11:29:27,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:27,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:28,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:28,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285096161] [2024-10-24 11:29:28,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285096161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:28,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:28,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-10-24 11:29:28,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589972813] [2024-10-24 11:29:28,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:28,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 11:29:28,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:28,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 11:29:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-10-24 11:29:28,852 INFO L87 Difference]: Start difference. First operand 577 states and 824 transitions. Second operand has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:30,411 INFO L93 Difference]: Finished difference Result 1117 states and 1593 transitions. [2024-10-24 11:29:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 11:29:30,412 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2024-10-24 11:29:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:30,414 INFO L225 Difference]: With dead ends: 1117 [2024-10-24 11:29:30,414 INFO L226 Difference]: Without dead ends: 659 [2024-10-24 11:29:30,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2024-10-24 11:29:30,416 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 321 mSDsluCounter, 2188 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:30,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 2418 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 11:29:30,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-24 11:29:30,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 569. [2024-10-24 11:29:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 501 states have (on average 1.3852295409181636) internal successors, (694), 503 states have internal predecessors, (694), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 11:29:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 814 transitions. [2024-10-24 11:29:30,489 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 814 transitions. Word has length 150 [2024-10-24 11:29:30,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:30,489 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 814 transitions. [2024-10-24 11:29:30,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 814 transitions. [2024-10-24 11:29:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:30,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:30,491 INFO L215 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] [2024-10-24 11:29:30,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 11:29:30,492 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:30,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:30,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1301460182, now seen corresponding path program 1 times [2024-10-24 11:29:30,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:30,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201986154] [2024-10-24 11:29:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:32,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:32,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201986154] [2024-10-24 11:29:32,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201986154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:32,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:32,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-10-24 11:29:32,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397311270] [2024-10-24 11:29:32,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:32,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 11:29:32,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:32,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 11:29:32,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2024-10-24 11:29:32,420 INFO L87 Difference]: Start difference. First operand 569 states and 814 transitions. Second operand has 20 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 20 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:33,606 INFO L93 Difference]: Finished difference Result 1209 states and 1732 transitions. [2024-10-24 11:29:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 11:29:33,606 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 20 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-24 11:29:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:33,609 INFO L225 Difference]: With dead ends: 1209 [2024-10-24 11:29:33,609 INFO L226 Difference]: Without dead ends: 759 [2024-10-24 11:29:33,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2024-10-24 11:29:33,611 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 365 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:33,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1996 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 11:29:33,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-10-24 11:29:33,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 639. [2024-10-24 11:29:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 571 states have (on average 1.394045534150613) internal successors, (796), 573 states have internal predecessors, (796), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 11:29:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 916 transitions. [2024-10-24 11:29:33,676 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 916 transitions. Word has length 150 [2024-10-24 11:29:33,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:33,677 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 916 transitions. [2024-10-24 11:29:33,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 20 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 916 transitions. [2024-10-24 11:29:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:33,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:33,678 INFO L215 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] [2024-10-24 11:29:33,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 11:29:33,679 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:33,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:33,679 INFO L85 PathProgramCache]: Analyzing trace with hash -600395604, now seen corresponding path program 1 times [2024-10-24 11:29:33,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:33,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497005668] [2024-10-24 11:29:33,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:33,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:34,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497005668] [2024-10-24 11:29:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497005668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:34,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:34,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 11:29:34,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086684693] [2024-10-24 11:29:34,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:34,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 11:29:34,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:34,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 11:29:34,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-24 11:29:34,762 INFO L87 Difference]: Start difference. First operand 639 states and 916 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:35,342 INFO L93 Difference]: Finished difference Result 1334 states and 1916 transitions. [2024-10-24 11:29:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 11:29:35,343 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 150 [2024-10-24 11:29:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:35,346 INFO L225 Difference]: With dead ends: 1334 [2024-10-24 11:29:35,346 INFO L226 Difference]: Without dead ends: 814 [2024-10-24 11:29:35,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-10-24 11:29:35,347 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 344 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:35,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1018 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 11:29:35,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-10-24 11:29:35,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 680. [2024-10-24 11:29:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 612 states have (on average 1.3970588235294117) internal successors, (855), 614 states have internal predecessors, (855), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 11:29:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 975 transitions. [2024-10-24 11:29:35,444 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 975 transitions. Word has length 150 [2024-10-24 11:29:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:35,444 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 975 transitions. [2024-10-24 11:29:35,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-10-24 11:29:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 975 transitions. [2024-10-24 11:29:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:35,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:35,446 INFO L215 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] [2024-10-24 11:29:35,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 11:29:35,446 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:35,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:35,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1888266196, now seen corresponding path program 1 times [2024-10-24 11:29:35,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:35,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502188670] [2024-10-24 11:29:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:35,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:35,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:35,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502188670] [2024-10-24 11:29:35,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502188670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:35,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:35,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 11:29:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83854135] [2024-10-24 11:29:35,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 11:29:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:35,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 11:29:35,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 11:29:35,818 INFO L87 Difference]: Start difference. First operand 680 states and 975 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-24 11:29:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:36,157 INFO L93 Difference]: Finished difference Result 1423 states and 2043 transitions. [2024-10-24 11:29:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 11:29:36,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:36,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:36,161 INFO L225 Difference]: With dead ends: 1423 [2024-10-24 11:29:36,161 INFO L226 Difference]: Without dead ends: 862 [2024-10-24 11:29:36,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:29:36,162 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 241 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:36,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 759 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 11:29:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-10-24 11:29:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 858. [2024-10-24 11:29:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 770 states have (on average 1.3922077922077922) internal successors, (1072), 774 states have internal predecessors, (1072), 78 states have call successors, (78), 9 states have call predecessors, (78), 9 states have return successors, (78), 74 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-24 11:29:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1228 transitions. [2024-10-24 11:29:36,242 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1228 transitions. Word has length 150 [2024-10-24 11:29:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:36,242 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1228 transitions. [2024-10-24 11:29:36,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-24 11:29:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1228 transitions. [2024-10-24 11:29:36,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:36,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:36,244 INFO L215 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] [2024-10-24 11:29:36,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 11:29:36,245 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:36,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:36,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1239420568, now seen corresponding path program 1 times [2024-10-24 11:29:36,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:36,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577172515] [2024-10-24 11:29:36,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:36,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:37,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:37,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577172515] [2024-10-24 11:29:37,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577172515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:37,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:37,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 11:29:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502381950] [2024-10-24 11:29:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:37,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 11:29:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:37,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 11:29:37,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-10-24 11:29:37,334 INFO L87 Difference]: Start difference. First operand 858 states and 1228 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:38,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:38,155 INFO L93 Difference]: Finished difference Result 1725 states and 2466 transitions. [2024-10-24 11:29:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 11:29:38,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-24 11:29:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:38,159 INFO L225 Difference]: With dead ends: 1725 [2024-10-24 11:29:38,159 INFO L226 Difference]: Without dead ends: 986 [2024-10-24 11:29:38,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-24 11:29:38,161 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 379 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:38,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1148 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 11:29:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-10-24 11:29:38,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 739. [2024-10-24 11:29:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 672 states have (on average 1.3943452380952381) internal successors, (937), 674 states have internal predecessors, (937), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 11:29:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1053 transitions. [2024-10-24 11:29:38,261 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1053 transitions. Word has length 150 [2024-10-24 11:29:38,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:38,261 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1053 transitions. [2024-10-24 11:29:38,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1053 transitions. [2024-10-24 11:29:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:38,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:38,264 INFO L215 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] [2024-10-24 11:29:38,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 11:29:38,264 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash -538355990, now seen corresponding path program 1 times [2024-10-24 11:29:38,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:38,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698780454] [2024-10-24 11:29:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:39,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:39,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698780454] [2024-10-24 11:29:39,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698780454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:39,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:39,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 11:29:39,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343741607] [2024-10-24 11:29:39,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:39,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 11:29:39,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:39,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 11:29:39,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-24 11:29:39,298 INFO L87 Difference]: Start difference. First operand 739 states and 1053 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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) [2024-10-24 11:29:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:40,266 INFO L93 Difference]: Finished difference Result 1441 states and 2051 transitions. [2024-10-24 11:29:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 11:29:40,267 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:40,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:40,270 INFO L225 Difference]: With dead ends: 1441 [2024-10-24 11:29:40,270 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 11:29:40,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2024-10-24 11:29:40,272 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 311 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:40,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1970 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 11:29:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 11:29:40,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 735. [2024-10-24 11:29:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 668 states have (on average 1.3937125748502994) internal successors, (931), 670 states have internal predecessors, (931), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 11:29:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1047 transitions. [2024-10-24 11:29:40,349 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1047 transitions. Word has length 150 [2024-10-24 11:29:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:40,349 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1047 transitions. [2024-10-24 11:29:40,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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) [2024-10-24 11:29:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1047 transitions. [2024-10-24 11:29:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:40,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:40,351 INFO L215 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] [2024-10-24 11:29:40,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 11:29:40,351 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:40,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:40,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1810933272, now seen corresponding path program 1 times [2024-10-24 11:29:40,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:40,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455334970] [2024-10-24 11:29:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:40,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:40,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:40,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455334970] [2024-10-24 11:29:40,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455334970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:40,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:40,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 11:29:40,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273707102] [2024-10-24 11:29:40,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:40,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 11:29:40,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:40,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 11:29:40,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 11:29:40,711 INFO L87 Difference]: Start difference. First operand 735 states and 1047 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-24 11:29:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:41,117 INFO L93 Difference]: Finished difference Result 1358 states and 1932 transitions. [2024-10-24 11:29:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 11:29:41,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:41,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:41,121 INFO L225 Difference]: With dead ends: 1358 [2024-10-24 11:29:41,121 INFO L226 Difference]: Without dead ends: 742 [2024-10-24 11:29:41,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 11:29:41,123 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 256 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:41,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 764 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 11:29:41,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-10-24 11:29:41,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 583. [2024-10-24 11:29:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 538 states have (on average 1.399628252788104) internal successors, (753), 538 states have internal predecessors, (753), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 829 transitions. [2024-10-24 11:29:41,220 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 829 transitions. Word has length 150 [2024-10-24 11:29:41,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:41,220 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 829 transitions. [2024-10-24 11:29:41,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2024-10-24 11:29:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 829 transitions. [2024-10-24 11:29:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:41,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:41,222 INFO L215 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] [2024-10-24 11:29:41,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 11:29:41,223 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:41,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:41,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1897228010, now seen corresponding path program 1 times [2024-10-24 11:29:41,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:41,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515052673] [2024-10-24 11:29:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:41,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:42,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:42,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515052673] [2024-10-24 11:29:42,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515052673] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:42,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:42,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-10-24 11:29:42,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568719339] [2024-10-24 11:29:42,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:42,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 11:29:42,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 11:29:42,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2024-10-24 11:29:42,383 INFO L87 Difference]: Start difference. First operand 583 states and 829 transitions. Second operand has 20 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 20 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:43,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:43,543 INFO L93 Difference]: Finished difference Result 1127 states and 1602 transitions. [2024-10-24 11:29:43,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 11:29:43,543 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 20 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-24 11:29:43,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:43,546 INFO L225 Difference]: With dead ends: 1127 [2024-10-24 11:29:43,546 INFO L226 Difference]: Without dead ends: 663 [2024-10-24 11:29:43,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2024-10-24 11:29:43,547 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 432 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:43,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 2269 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 11:29:43,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-24 11:29:43,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 579. [2024-10-24 11:29:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 534 states have (on average 1.402621722846442) internal successors, (749), 534 states have internal predecessors, (749), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 825 transitions. [2024-10-24 11:29:43,623 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 825 transitions. Word has length 150 [2024-10-24 11:29:43,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:43,623 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 825 transitions. [2024-10-24 11:29:43,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 20 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-24 11:29:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 825 transitions. [2024-10-24 11:29:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 11:29:43,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:43,625 INFO L215 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] [2024-10-24 11:29:43,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 11:29:43,625 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1634635094, now seen corresponding path program 1 times [2024-10-24 11:29:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:43,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868262876] [2024-10-24 11:29:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:44,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:44,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868262876] [2024-10-24 11:29:44,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868262876] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:44,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:44,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 11:29:44,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498996553] [2024-10-24 11:29:44,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:44,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 11:29:44,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 11:29:44,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-24 11:29:44,408 INFO L87 Difference]: Start difference. First operand 579 states and 825 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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) [2024-10-24 11:29:45,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:45,263 INFO L93 Difference]: Finished difference Result 1113 states and 1586 transitions. [2024-10-24 11:29:45,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 11:29:45,263 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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 150 [2024-10-24 11:29:45,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:45,265 INFO L225 Difference]: With dead ends: 1113 [2024-10-24 11:29:45,265 INFO L226 Difference]: Without dead ends: 653 [2024-10-24 11:29:45,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2024-10-24 11:29:45,266 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 307 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:45,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1956 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 11:29:45,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-10-24 11:29:45,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 569. [2024-10-24 11:29:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 524 states have (on average 1.4064885496183206) internal successors, (737), 524 states have internal predecessors, (737), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 813 transitions. [2024-10-24 11:29:45,345 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 813 transitions. Word has length 150 [2024-10-24 11:29:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:45,345 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 813 transitions. [2024-10-24 11:29:45,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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) [2024-10-24 11:29:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 813 transitions. [2024-10-24 11:29:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 11:29:45,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:45,347 INFO L215 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] [2024-10-24 11:29:45,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 11:29:45,347 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:45,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:45,347 INFO L85 PathProgramCache]: Analyzing trace with hash 157847481, now seen corresponding path program 1 times [2024-10-24 11:29:45,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:45,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617436159] [2024-10-24 11:29:45,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:45,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:45,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:45,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617436159] [2024-10-24 11:29:45,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617436159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:45,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:45,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:29:45,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740315925] [2024-10-24 11:29:45,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:45,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:29:45,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:45,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:29:45,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:29:45,421 INFO L87 Difference]: Start difference. First operand 569 states and 813 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) [2024-10-24 11:29:45,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:45,505 INFO L93 Difference]: Finished difference Result 1027 states and 1471 transitions. [2024-10-24 11:29:45,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:29:45,506 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 [2024-10-24 11:29:45,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:45,509 INFO L225 Difference]: With dead ends: 1027 [2024-10-24 11:29:45,509 INFO L226 Difference]: Without dead ends: 572 [2024-10-24 11:29:45,510 INFO L431 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 [2024-10-24 11:29:45,510 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 333 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 [2024-10-24 11:29:45,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 333 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:29:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-24 11:29:45,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2024-10-24 11:29:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 527 states have (on average 1.4041745730550284) internal successors, (740), 527 states have internal predecessors, (740), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 816 transitions. [2024-10-24 11:29:45,585 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 816 transitions. Word has length 151 [2024-10-24 11:29:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:45,585 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 816 transitions. [2024-10-24 11:29:45,585 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) [2024-10-24 11:29:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 816 transitions. [2024-10-24 11:29:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 11:29:45,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:45,587 INFO L215 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] [2024-10-24 11:29:45,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 11:29:45,587 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:45,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:45,587 INFO L85 PathProgramCache]: Analyzing trace with hash 858912059, now seen corresponding path program 1 times [2024-10-24 11:29:45,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:45,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927589445] [2024-10-24 11:29:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:45,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:45,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927589445] [2024-10-24 11:29:45,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927589445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:45,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:45,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 11:29:45,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563797070] [2024-10-24 11:29:45,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:45,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 11:29:45,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:45,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 11:29:45,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 11:29:45,745 INFO L87 Difference]: Start difference. First operand 572 states and 816 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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) [2024-10-24 11:29:45,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:45,823 INFO L93 Difference]: Finished difference Result 1036 states and 1479 transitions. [2024-10-24 11:29:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 11:29:45,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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 [2024-10-24 11:29:45,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:45,828 INFO L225 Difference]: With dead ends: 1036 [2024-10-24 11:29:45,829 INFO L226 Difference]: Without dead ends: 584 [2024-10-24 11:29:45,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 11:29:45,831 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:45,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 818 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:29:45,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-10-24 11:29:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 575. [2024-10-24 11:29:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 530 states have (on average 1.4018867924528302) internal successors, (743), 530 states have internal predecessors, (743), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 819 transitions. [2024-10-24 11:29:45,893 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 819 transitions. Word has length 151 [2024-10-24 11:29:45,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:45,894 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 819 transitions. [2024-10-24 11:29:45,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 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) [2024-10-24 11:29:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 819 transitions. [2024-10-24 11:29:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 11:29:45,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:45,895 INFO L215 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] [2024-10-24 11:29:45,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 11:29:45,895 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:45,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:45,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1921773950, now seen corresponding path program 1 times [2024-10-24 11:29:45,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:45,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273318372] [2024-10-24 11:29:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:45,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:46,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:46,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273318372] [2024-10-24 11:29:46,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273318372] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:46,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:46,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 11:29:46,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923506936] [2024-10-24 11:29:46,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:46,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 11:29:46,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:46,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 11:29:46,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 11:29:46,074 INFO L87 Difference]: Start difference. First operand 575 states and 819 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) [2024-10-24 11:29:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:46,200 INFO L93 Difference]: Finished difference Result 1194 states and 1653 transitions. [2024-10-24 11:29:46,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 11:29:46,201 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 [2024-10-24 11:29:46,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:46,203 INFO L225 Difference]: With dead ends: 1194 [2024-10-24 11:29:46,203 INFO L226 Difference]: Without dead ends: 732 [2024-10-24 11:29:46,203 INFO L431 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 [2024-10-24 11:29:46,204 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 47 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 11:29:46,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 599 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 11:29:46,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-10-24 11:29:46,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 696. [2024-10-24 11:29:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 651 states have (on average 1.3317972350230414) internal successors, (867), 651 states have internal predecessors, (867), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 943 transitions. [2024-10-24 11:29:46,272 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 943 transitions. Word has length 153 [2024-10-24 11:29:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:46,272 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 943 transitions. [2024-10-24 11:29:46,272 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) [2024-10-24 11:29:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 943 transitions. [2024-10-24 11:29:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 11:29:46,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:46,274 INFO L215 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] [2024-10-24 11:29:46,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-24 11:29:46,274 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:46,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:46,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2043722695, now seen corresponding path program 1 times [2024-10-24 11:29:46,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:46,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826715106] [2024-10-24 11:29:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:46,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:29:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 11:29:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 11:29:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 11:29:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 11:29:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 11:29:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 11:29:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 11:29:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 11:29:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 11:29:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 11:29:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 11:29:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 11:29:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 11:29:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:29:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:29:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 11:29:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 11:29:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 11:29:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:29:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 11:29:46,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:29:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826715106] [2024-10-24 11:29:46,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826715106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:29:46,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:29:46,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 11:29:46,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334154269] [2024-10-24 11:29:46,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:29:46,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 11:29:46,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:29:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 11:29:46,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 11:29:46,331 INFO L87 Difference]: Start difference. First operand 696 states and 943 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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) [2024-10-24 11:29:46,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:29:46,394 INFO L93 Difference]: Finished difference Result 1257 states and 1703 transitions. [2024-10-24 11:29:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 11:29:46,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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 [2024-10-24 11:29:46,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:29:46,396 INFO L225 Difference]: With dead ends: 1257 [2024-10-24 11:29:46,396 INFO L226 Difference]: Without dead ends: 697 [2024-10-24 11:29:46,397 INFO L431 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 [2024-10-24 11:29:46,398 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 333 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 [2024-10-24 11:29:46,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 333 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:29:46,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-10-24 11:29:46,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 697. [2024-10-24 11:29:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 652 states have (on average 1.3312883435582823) internal successors, (868), 652 states have internal predecessors, (868), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 11:29:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 944 transitions. [2024-10-24 11:29:46,465 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 944 transitions. Word has length 153 [2024-10-24 11:29:46,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:29:46,465 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 944 transitions. [2024-10-24 11:29:46,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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) [2024-10-24 11:29:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 944 transitions. [2024-10-24 11:29:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 11:29:46,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:29:46,466 INFO L215 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] [2024-10-24 11:29:46,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-24 11:29:46,467 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:29:46,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:29:46,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1986464393, now seen corresponding path program 1 times [2024-10-24 11:29:46,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:29:46,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185772079] [2024-10-24 11:29:46,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:29:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:29:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat