./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-a_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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-a_file-85.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 f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 06:02:32,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 06:02:32,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 06:02:32,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 06:02:32,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 06:02:32,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 06:02:32,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 06:02:32,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 06:02:32,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 06:02:32,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 06:02:32,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 06:02:32,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 06:02:32,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 06:02:32,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 06:02:32,194 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 06:02:32,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 06:02:32,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 06:02:32,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 06:02:32,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 06:02:32,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 06:02:32,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 06:02:32,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 06:02:32,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 06:02:32,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 06:02:32,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 06:02:32,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 06:02:32,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 06:02:32,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 06:02:32,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 06:02:32,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 06:02:32,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 06:02:32,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 06:02:32,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:02:32,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 06:02:32,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 06:02:32,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 06:02:32,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 06:02:32,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 06:02:32,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 06:02:32,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 06:02:32,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 06:02:32,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 06:02:32,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd [2024-10-13 06:02:32,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 06:02:32,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 06:02:32,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 06:02:32,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 06:02:32,404 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 06:02:32,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i [2024-10-13 06:02:34,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 06:02:34,246 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 06:02:34,247 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i [2024-10-13 06:02:34,258 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032fc674b/dd46a3af5a59416cbe210af2203d93eb/FLAG8a61323b6 [2024-10-13 06:02:34,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032fc674b/dd46a3af5a59416cbe210af2203d93eb [2024-10-13 06:02:34,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 06:02:34,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 06:02:34,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 06:02:34,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 06:02:34,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 06:02:34,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:02:34" (1/1) ... [2024-10-13 06:02:34,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6263a580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:34, skipping insertion in model container [2024-10-13 06:02:34,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:02:34" (1/1) ... [2024-10-13 06:02:34,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 06:02:34,813 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-a_file-85.i[916,929] [2024-10-13 06:02:34,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:02:34,899 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 06:02:34,919 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-a_file-85.i[916,929] [2024-10-13 06:02:35,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:02:35,031 INFO L204 MainTranslator]: Completed translation [2024-10-13 06:02:35,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35 WrapperNode [2024-10-13 06:02:35,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 06:02:35,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 06:02:35,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 06:02:35,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 06:02:35,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,119 INFO L138 Inliner]: procedures = 26, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 520 [2024-10-13 06:02:35,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 06:02:35,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 06:02:35,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 06:02:35,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 06:02:35,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,168 INFO L175 MemorySlicer]: Split 139 memory accesses to 6 slices as follows [2, 69, 25, 7, 29, 7]. 50 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 10, 3, 1, 2, 1]. The 22 writes are split as follows [0, 12, 4, 3, 2, 1]. [2024-10-13 06:02:35,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 06:02:35,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 06:02:35,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 06:02:35,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 06:02:35,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (1/1) ... [2024-10-13 06:02:35,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:02:35,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:02:35,276 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) [2024-10-13 06:02:35,281 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 [2024-10-13 06:02:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 06:02:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 06:02:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 06:02:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 06:02:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 06:02:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 06:02:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 06:02:35,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 06:02:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 06:02:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 06:02:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 06:02:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 06:02:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 06:02:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 06:02:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 06:02:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 06:02:35,437 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 06:02:35,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 06:02:35,921 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-10-13 06:02:35,921 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 06:02:35,953 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 06:02:35,953 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 06:02:35,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:02:35 BoogieIcfgContainer [2024-10-13 06:02:35,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 06:02:35,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 06:02:35,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 06:02:35,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 06:02:35,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:02:34" (1/3) ... [2024-10-13 06:02:35,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427e0478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:02:35, skipping insertion in model container [2024-10-13 06:02:35,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:02:35" (2/3) ... [2024-10-13 06:02:35,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427e0478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:02:35, skipping insertion in model container [2024-10-13 06:02:35,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:02:35" (3/3) ... [2024-10-13 06:02:35,966 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-85.i [2024-10-13 06:02:35,981 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 06:02:35,981 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 06:02:36,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 06:02:36,049 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;@7392b3d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 06:02:36,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 06:02:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 06:02:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-13 06:02:36,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:36,071 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:36,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:36,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:36,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1191300238, now seen corresponding path program 1 times [2024-10-13 06:02:36,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:36,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467318484] [2024-10-13 06:02:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:36,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:36,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:36,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467318484] [2024-10-13 06:02:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467318484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:36,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:36,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 06:02:36,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163862182] [2024-10-13 06:02:36,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:36,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 06:02:36,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:36,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 06:02:36,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 06:02:36,682 INFO L87 Difference]: Start difference. First operand has 124 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:36,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:36,742 INFO L93 Difference]: Finished difference Result 245 states and 389 transitions. [2024-10-13 06:02:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 06:02:36,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 174 [2024-10-13 06:02:36,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:36,756 INFO L225 Difference]: With dead ends: 245 [2024-10-13 06:02:36,757 INFO L226 Difference]: Without dead ends: 122 [2024-10-13 06:02:36,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 06:02:36,766 INFO L432 NwaCegarLoop]: 175 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, 175 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 [2024-10-13 06:02:36,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:36,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-13 06:02:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-13 06:02:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 06:02:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 179 transitions. [2024-10-13 06:02:36,830 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 179 transitions. Word has length 174 [2024-10-13 06:02:36,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:36,830 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 179 transitions. [2024-10-13 06:02:36,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2024-10-13 06:02:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-13 06:02:36,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:36,837 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:36,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 06:02:36,838 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:36,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:36,839 INFO L85 PathProgramCache]: Analyzing trace with hash 185379716, now seen corresponding path program 1 times [2024-10-13 06:02:36,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:36,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970361648] [2024-10-13 06:02:36,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:36,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:38,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:38,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970361648] [2024-10-13 06:02:38,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970361648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:38,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:38,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:02:38,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102465190] [2024-10-13 06:02:38,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:38,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:02:38,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:38,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:02:38,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:38,964 INFO L87 Difference]: Start difference. First operand 122 states and 179 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:39,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:39,796 INFO L93 Difference]: Finished difference Result 456 states and 665 transitions. [2024-10-13 06:02:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:02:39,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 174 [2024-10-13 06:02:39,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:39,804 INFO L225 Difference]: With dead ends: 456 [2024-10-13 06:02:39,806 INFO L226 Difference]: Without dead ends: 335 [2024-10-13 06:02:39,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:02:39,810 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 346 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:39,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 664 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 06:02:39,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-13 06:02:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 192. [2024-10-13 06:02:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 164 states have (on average 1.4085365853658536) internal successors, (231), 165 states have internal predecessors, (231), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 281 transitions. [2024-10-13 06:02:39,852 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 281 transitions. Word has length 174 [2024-10-13 06:02:39,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:39,853 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 281 transitions. [2024-10-13 06:02:39,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 281 transitions. [2024-10-13 06:02:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:39,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:39,859 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:39,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 06:02:39,859 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:39,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash -323246689, now seen corresponding path program 1 times [2024-10-13 06:02:39,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:39,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874794716] [2024-10-13 06:02:39,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:39,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:40,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:40,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874794716] [2024-10-13 06:02:40,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874794716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:40,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:40,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:02:40,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773567451] [2024-10-13 06:02:40,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:40,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:02:40,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:40,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:02:40,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:40,161 INFO L87 Difference]: Start difference. First operand 192 states and 281 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:40,430 INFO L93 Difference]: Finished difference Result 558 states and 817 transitions. [2024-10-13 06:02:40,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:02:40,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:40,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:40,434 INFO L225 Difference]: With dead ends: 558 [2024-10-13 06:02:40,435 INFO L226 Difference]: Without dead ends: 367 [2024-10-13 06:02:40,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:40,436 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 155 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:40,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 483 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:02:40,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-13 06:02:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 196. [2024-10-13 06:02:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 168 states have (on average 1.3988095238095237) internal successors, (235), 169 states have internal predecessors, (235), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 285 transitions. [2024-10-13 06:02:40,462 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 285 transitions. Word has length 175 [2024-10-13 06:02:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:40,464 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 285 transitions. [2024-10-13 06:02:40,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 285 transitions. [2024-10-13 06:02:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:40,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:40,470 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:40,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 06:02:40,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:40,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash -451410456, now seen corresponding path program 1 times [2024-10-13 06:02:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:40,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305858329] [2024-10-13 06:02:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:40,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:40,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:40,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305858329] [2024-10-13 06:02:40,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305858329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:40,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:40,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:02:40,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652145980] [2024-10-13 06:02:40,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:40,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:02:40,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:40,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:02:40,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:40,955 INFO L87 Difference]: Start difference. First operand 196 states and 285 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:41,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:41,376 INFO L93 Difference]: Finished difference Result 760 states and 1102 transitions. [2024-10-13 06:02:41,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:02:41,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:41,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:41,380 INFO L225 Difference]: With dead ends: 760 [2024-10-13 06:02:41,380 INFO L226 Difference]: Without dead ends: 565 [2024-10-13 06:02:41,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:02:41,382 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 405 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:41,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 952 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 06:02:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-10-13 06:02:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 242. [2024-10-13 06:02:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 214 states have (on average 1.4065420560747663) internal successors, (301), 215 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 351 transitions. [2024-10-13 06:02:41,398 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 351 transitions. Word has length 175 [2024-10-13 06:02:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:41,398 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 351 transitions. [2024-10-13 06:02:41,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 351 transitions. [2024-10-13 06:02:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:41,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:41,400 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:41,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 06:02:41,401 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:41,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:41,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1731274134, now seen corresponding path program 1 times [2024-10-13 06:02:41,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:41,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809715016] [2024-10-13 06:02:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:41,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:41,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:41,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809715016] [2024-10-13 06:02:41,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809715016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:41,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:41,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:02:41,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495726111] [2024-10-13 06:02:41,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:41,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:02:41,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:41,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:02:41,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:02:41,738 INFO L87 Difference]: Start difference. First operand 242 states and 351 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:41,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:41,865 INFO L93 Difference]: Finished difference Result 720 states and 1045 transitions. [2024-10-13 06:02:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:02:41,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:41,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:41,868 INFO L225 Difference]: With dead ends: 720 [2024-10-13 06:02:41,868 INFO L226 Difference]: Without dead ends: 479 [2024-10-13 06:02:41,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-13 06:02:41,869 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 175 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:41,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2094 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:02:41,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-10-13 06:02:41,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 256. [2024-10-13 06:02:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 228 states have (on average 1.3903508771929824) internal successors, (317), 229 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 367 transitions. [2024-10-13 06:02:41,881 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 367 transitions. Word has length 175 [2024-10-13 06:02:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:41,882 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 367 transitions. [2024-10-13 06:02:41,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 367 transitions. [2024-10-13 06:02:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:41,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:41,884 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:41,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 06:02:41,884 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:41,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1237533286, now seen corresponding path program 1 times [2024-10-13 06:02:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692267910] [2024-10-13 06:02:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:02:42,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:42,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692267910] [2024-10-13 06:02:42,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692267910] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:02:42,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828351387] [2024-10-13 06:02:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:42,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:02:42,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:02:42,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:02:42,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 06:02:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:42,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-13 06:02:42,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:02:42,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-13 06:02:42,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-10-13 06:02:42,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-10-13 06:02:42,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-13 06:02:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:02:42,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:02:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:43,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828351387] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 06:02:43,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-13 06:02:43,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 12] total 19 [2024-10-13 06:02:43,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677757133] [2024-10-13 06:02:43,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:43,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:02:43,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:43,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:02:43,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-10-13 06:02:43,145 INFO L87 Difference]: Start difference. First operand 256 states and 367 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:43,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:43,537 INFO L93 Difference]: Finished difference Result 660 states and 947 transitions. [2024-10-13 06:02:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:02:43,537 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:43,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:43,539 INFO L225 Difference]: With dead ends: 660 [2024-10-13 06:02:43,539 INFO L226 Difference]: Without dead ends: 405 [2024-10-13 06:02:43,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2024-10-13 06:02:43,544 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 141 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:43,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1448 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:43,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-13 06:02:43,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 258. [2024-10-13 06:02:43,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 230 states have (on average 1.3956521739130434) internal successors, (321), 231 states have internal predecessors, (321), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 371 transitions. [2024-10-13 06:02:43,562 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 371 transitions. Word has length 175 [2024-10-13 06:02:43,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:43,564 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 371 transitions. [2024-10-13 06:02:43,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 371 transitions. [2024-10-13 06:02:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:43,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:43,565 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:43,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 06:02:43,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 06:02:43,767 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:43,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:43,767 INFO L85 PathProgramCache]: Analyzing trace with hash -42330392, now seen corresponding path program 1 times [2024-10-13 06:02:43,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:43,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917495266] [2024-10-13 06:02:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:43,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:44,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917495266] [2024-10-13 06:02:44,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917495266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:44,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:44,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:02:44,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175564442] [2024-10-13 06:02:44,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:44,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:02:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:44,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:02:44,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:44,139 INFO L87 Difference]: Start difference. First operand 258 states and 371 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:44,550 INFO L93 Difference]: Finished difference Result 846 states and 1214 transitions. [2024-10-13 06:02:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:02:44,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:44,553 INFO L225 Difference]: With dead ends: 846 [2024-10-13 06:02:44,553 INFO L226 Difference]: Without dead ends: 589 [2024-10-13 06:02:44,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:02:44,554 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 315 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:44,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 1516 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-10-13 06:02:44,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 266. [2024-10-13 06:02:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 238 states have (on average 1.3823529411764706) internal successors, (329), 239 states have internal predecessors, (329), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 379 transitions. [2024-10-13 06:02:44,572 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 379 transitions. Word has length 175 [2024-10-13 06:02:44,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:44,573 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 379 transitions. [2024-10-13 06:02:44,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 379 transitions. [2024-10-13 06:02:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:44,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:44,574 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:44,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 06:02:44,575 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:44,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:44,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1224963934, now seen corresponding path program 1 times [2024-10-13 06:02:44,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:44,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303187825] [2024-10-13 06:02:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:45,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:45,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303187825] [2024-10-13 06:02:45,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303187825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:45,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:45,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:45,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970899885] [2024-10-13 06:02:45,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:45,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:45,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:45,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:45,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:45,078 INFO L87 Difference]: Start difference. First operand 266 states and 379 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:45,254 INFO L93 Difference]: Finished difference Result 688 states and 983 transitions. [2024-10-13 06:02:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:45,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:45,257 INFO L225 Difference]: With dead ends: 688 [2024-10-13 06:02:45,257 INFO L226 Difference]: Without dead ends: 423 [2024-10-13 06:02:45,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:02:45,262 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 144 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:45,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1147 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:02:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-10-13 06:02:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 274. [2024-10-13 06:02:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 246 states have (on average 1.386178861788618) internal successors, (341), 247 states have internal predecessors, (341), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 391 transitions. [2024-10-13 06:02:45,278 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 391 transitions. Word has length 175 [2024-10-13 06:02:45,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:45,282 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 391 transitions. [2024-10-13 06:02:45,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 391 transitions. [2024-10-13 06:02:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:45,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:45,285 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:45,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 06:02:45,285 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:45,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1790139684, now seen corresponding path program 1 times [2024-10-13 06:02:45,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:45,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358426387] [2024-10-13 06:02:45,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:45,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:45,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:45,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358426387] [2024-10-13 06:02:45,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358426387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:45,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:45,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:45,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162799828] [2024-10-13 06:02:45,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:45,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:45,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:45,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:45,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:45,762 INFO L87 Difference]: Start difference. First operand 274 states and 391 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:46,094 INFO L93 Difference]: Finished difference Result 820 states and 1167 transitions. [2024-10-13 06:02:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 06:02:46,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:46,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:46,097 INFO L225 Difference]: With dead ends: 820 [2024-10-13 06:02:46,097 INFO L226 Difference]: Without dead ends: 547 [2024-10-13 06:02:46,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:02:46,098 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 154 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:46,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 869 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-10-13 06:02:46,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 334. [2024-10-13 06:02:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 306 states have (on average 1.408496732026144) internal successors, (431), 307 states have internal predecessors, (431), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 481 transitions. [2024-10-13 06:02:46,113 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 481 transitions. Word has length 175 [2024-10-13 06:02:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:46,114 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 481 transitions. [2024-10-13 06:02:46,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 481 transitions. [2024-10-13 06:02:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:46,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:46,116 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:46,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 06:02:46,117 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:46,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:46,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1353127701, now seen corresponding path program 1 times [2024-10-13 06:02:46,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:46,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719410760] [2024-10-13 06:02:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:46,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:46,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719410760] [2024-10-13 06:02:46,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719410760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:46,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:46,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:02:46,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674955681] [2024-10-13 06:02:46,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:46,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:02:46,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:46,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:02:46,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:46,335 INFO L87 Difference]: Start difference. First operand 334 states and 481 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:46,590 INFO L93 Difference]: Finished difference Result 910 states and 1319 transitions. [2024-10-13 06:02:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:02:46,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:46,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:46,592 INFO L225 Difference]: With dead ends: 910 [2024-10-13 06:02:46,593 INFO L226 Difference]: Without dead ends: 577 [2024-10-13 06:02:46,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:46,594 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 155 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:46,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 800 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:02:46,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-10-13 06:02:46,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 332. [2024-10-13 06:02:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 304 states have (on average 1.3848684210526316) internal successors, (421), 305 states have internal predecessors, (421), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 471 transitions. [2024-10-13 06:02:46,606 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 471 transitions. Word has length 175 [2024-10-13 06:02:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:46,606 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 471 transitions. [2024-10-13 06:02:46,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 471 transitions. [2024-10-13 06:02:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-13 06:02:46,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:46,608 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:46,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 06:02:46,608 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:46,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:46,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1812771938, now seen corresponding path program 1 times [2024-10-13 06:02:46,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:46,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113912879] [2024-10-13 06:02:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:46,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:46,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:46,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113912879] [2024-10-13 06:02:46,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113912879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:46,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:46,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:02:46,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596249798] [2024-10-13 06:02:46,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:46,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:02:46,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:46,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:02:46,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:02:46,716 INFO L87 Difference]: Start difference. First operand 332 states and 471 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:46,743 INFO L93 Difference]: Finished difference Result 629 states and 890 transitions. [2024-10-13 06:02:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:02:46,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2024-10-13 06:02:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:46,745 INFO L225 Difference]: With dead ends: 629 [2024-10-13 06:02:46,745 INFO L226 Difference]: Without dead ends: 298 [2024-10-13 06:02:46,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:02:46,746 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 1 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:46,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 509 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-13 06:02:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-10-13 06:02:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 270 states have (on average 1.362962962962963) internal successors, (368), 271 states have internal predecessors, (368), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 418 transitions. [2024-10-13 06:02:46,757 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 418 transitions. Word has length 175 [2024-10-13 06:02:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:46,757 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 418 transitions. [2024-10-13 06:02:46,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 418 transitions. [2024-10-13 06:02:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 06:02:46,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:46,759 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:46,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 06:02:46,759 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:46,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:46,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1703853806, now seen corresponding path program 1 times [2024-10-13 06:02:46,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:46,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047248161] [2024-10-13 06:02:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:46,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:46,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047248161] [2024-10-13 06:02:46,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047248161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:46,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:46,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:02:46,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768167285] [2024-10-13 06:02:46,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:46,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:02:46,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:46,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:02:46,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:46,874 INFO L87 Difference]: Start difference. First operand 298 states and 418 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:46,908 INFO L93 Difference]: Finished difference Result 601 states and 843 transitions. [2024-10-13 06:02:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:02:46,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-13 06:02:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:46,910 INFO L225 Difference]: With dead ends: 601 [2024-10-13 06:02:46,910 INFO L226 Difference]: Without dead ends: 304 [2024-10-13 06:02:46,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:46,911 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:46,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 674 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-13 06:02:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-13 06:02:46,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 276 states have (on average 1.355072463768116) internal successors, (374), 277 states have internal predecessors, (374), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 424 transitions. [2024-10-13 06:02:46,922 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 424 transitions. Word has length 176 [2024-10-13 06:02:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:46,923 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 424 transitions. [2024-10-13 06:02:46,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 424 transitions. [2024-10-13 06:02:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 06:02:46,924 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:46,924 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:46,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 06:02:46,925 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:46,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1978613420, now seen corresponding path program 1 times [2024-10-13 06:02:46,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:46,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999291305] [2024-10-13 06:02:46,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:46,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:47,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:47,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999291305] [2024-10-13 06:02:47,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999291305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:47,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:47,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:47,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880914338] [2024-10-13 06:02:47,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:47,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:47,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:47,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:47,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:47,328 INFO L87 Difference]: Start difference. First operand 304 states and 424 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:47,767 INFO L93 Difference]: Finished difference Result 772 states and 1077 transitions. [2024-10-13 06:02:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:47,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-13 06:02:47,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:47,770 INFO L225 Difference]: With dead ends: 772 [2024-10-13 06:02:47,770 INFO L226 Difference]: Without dead ends: 469 [2024-10-13 06:02:47,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:02:47,771 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 298 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:47,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 719 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 06:02:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-10-13 06:02:47,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 301. [2024-10-13 06:02:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.3553113553113554) internal successors, (370), 274 states have internal predecessors, (370), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 420 transitions. [2024-10-13 06:02:47,790 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 420 transitions. Word has length 176 [2024-10-13 06:02:47,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:47,791 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 420 transitions. [2024-10-13 06:02:47,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 420 transitions. [2024-10-13 06:02:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 06:02:47,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:47,793 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:47,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 06:02:47,793 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:47,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:47,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1264332392, now seen corresponding path program 1 times [2024-10-13 06:02:47,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:47,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528530112] [2024-10-13 06:02:47,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:47,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:48,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:48,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528530112] [2024-10-13 06:02:48,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528530112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:48,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:48,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:48,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302060948] [2024-10-13 06:02:48,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:48,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:48,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:48,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:48,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:48,167 INFO L87 Difference]: Start difference. First operand 301 states and 420 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:48,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:48,509 INFO L93 Difference]: Finished difference Result 722 states and 1008 transitions. [2024-10-13 06:02:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:48,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-13 06:02:48,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:48,512 INFO L225 Difference]: With dead ends: 722 [2024-10-13 06:02:48,513 INFO L226 Difference]: Without dead ends: 422 [2024-10-13 06:02:48,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:02:48,515 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 298 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:48,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 464 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:48,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-10-13 06:02:48,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 301. [2024-10-13 06:02:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 273 states have (on average 1.3516483516483517) internal successors, (369), 274 states have internal predecessors, (369), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 419 transitions. [2024-10-13 06:02:48,535 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 419 transitions. Word has length 176 [2024-10-13 06:02:48,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:48,536 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 419 transitions. [2024-10-13 06:02:48,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 419 transitions. [2024-10-13 06:02:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 06:02:48,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:48,537 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:48,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 06:02:48,538 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:48,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:48,538 INFO L85 PathProgramCache]: Analyzing trace with hash -15531286, now seen corresponding path program 1 times [2024-10-13 06:02:48,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:48,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168346450] [2024-10-13 06:02:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:48,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:48,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:48,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168346450] [2024-10-13 06:02:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168346450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:48,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:02:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576121921] [2024-10-13 06:02:48,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:48,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:02:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:48,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:02:48,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:02:48,978 INFO L87 Difference]: Start difference. First operand 301 states and 419 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:49,264 INFO L93 Difference]: Finished difference Result 912 states and 1277 transitions. [2024-10-13 06:02:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:02:49,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 176 [2024-10-13 06:02:49,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:49,267 INFO L225 Difference]: With dead ends: 912 [2024-10-13 06:02:49,267 INFO L226 Difference]: Without dead ends: 612 [2024-10-13 06:02:49,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-13 06:02:49,268 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 324 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:49,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 2362 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:02:49,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-13 06:02:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 305. [2024-10-13 06:02:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 277 states have (on average 1.3501805054151625) internal successors, (374), 278 states have internal predecessors, (374), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 424 transitions. [2024-10-13 06:02:49,284 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 424 transitions. Word has length 176 [2024-10-13 06:02:49,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:49,284 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 424 transitions. [2024-10-13 06:02:49,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 424 transitions. [2024-10-13 06:02:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 06:02:49,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:49,286 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:49,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 06:02:49,286 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:49,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:49,286 INFO L85 PathProgramCache]: Analyzing trace with hash -355578003, now seen corresponding path program 1 times [2024-10-13 06:02:49,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:49,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030711912] [2024-10-13 06:02:49,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:49,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:49,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:49,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030711912] [2024-10-13 06:02:49,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030711912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:49,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:49,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:02:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345444585] [2024-10-13 06:02:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:49,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:02:49,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:02:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:02:49,365 INFO L87 Difference]: Start difference. First operand 305 states and 424 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:49,389 INFO L93 Difference]: Finished difference Result 610 states and 849 transitions. [2024-10-13 06:02:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:02:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2024-10-13 06:02:49,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:49,391 INFO L225 Difference]: With dead ends: 610 [2024-10-13 06:02:49,391 INFO L226 Difference]: Without dead ends: 306 [2024-10-13 06:02:49,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:02:49,392 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 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 [2024-10-13 06:02:49,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-10-13 06:02:49,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-10-13 06:02:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 278 states have (on average 1.3489208633093526) internal successors, (375), 279 states have internal predecessors, (375), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 06:02:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 425 transitions. [2024-10-13 06:02:49,406 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 425 transitions. Word has length 177 [2024-10-13 06:02:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:49,406 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 425 transitions. [2024-10-13 06:02:49,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 425 transitions. [2024-10-13 06:02:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 06:02:49,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:49,408 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:49,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 06:02:49,408 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:49,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:49,408 INFO L85 PathProgramCache]: Analyzing trace with hash 303953519, now seen corresponding path program 1 times [2024-10-13 06:02:49,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049500346] [2024-10-13 06:02:49,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:49,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049500346] [2024-10-13 06:02:49,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049500346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:49,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:49,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:49,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623789325] [2024-10-13 06:02:49,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:49,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:49,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:49,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:49,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:49,618 INFO L87 Difference]: Start difference. First operand 306 states and 425 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:49,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:49,815 INFO L93 Difference]: Finished difference Result 820 states and 1136 transitions. [2024-10-13 06:02:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:49,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 177 [2024-10-13 06:02:49,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:49,817 INFO L225 Difference]: With dead ends: 820 [2024-10-13 06:02:49,817 INFO L226 Difference]: Without dead ends: 515 [2024-10-13 06:02:49,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:49,818 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 158 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:49,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1095 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:02:49,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-10-13 06:02:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 512. [2024-10-13 06:02:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 462 states have (on average 1.3398268398268398) internal successors, (619), 465 states have internal predecessors, (619), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 709 transitions. [2024-10-13 06:02:49,860 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 709 transitions. Word has length 177 [2024-10-13 06:02:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:49,860 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 709 transitions. [2024-10-13 06:02:49,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 709 transitions. [2024-10-13 06:02:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 06:02:49,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:49,862 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:49,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 06:02:49,862 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:49,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:49,863 INFO L85 PathProgramCache]: Analyzing trace with hash -540051983, now seen corresponding path program 1 times [2024-10-13 06:02:49,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:49,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335781538] [2024-10-13 06:02:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:50,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:50,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335781538] [2024-10-13 06:02:50,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335781538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:50,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:50,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:02:50,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445624377] [2024-10-13 06:02:50,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:50,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:02:50,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:50,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:02:50,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:50,069 INFO L87 Difference]: Start difference. First operand 512 states and 709 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:50,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:50,134 INFO L93 Difference]: Finished difference Result 940 states and 1301 transitions. [2024-10-13 06:02:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:02:50,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 177 [2024-10-13 06:02:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:50,136 INFO L225 Difference]: With dead ends: 940 [2024-10-13 06:02:50,136 INFO L226 Difference]: Without dead ends: 429 [2024-10-13 06:02:50,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:50,137 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:50,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 626 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:50,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-13 06:02:50,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-10-13 06:02:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 379 states have (on average 1.324538258575198) internal successors, (502), 382 states have internal predecessors, (502), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 592 transitions. [2024-10-13 06:02:50,164 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 592 transitions. Word has length 177 [2024-10-13 06:02:50,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:50,164 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 592 transitions. [2024-10-13 06:02:50,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 592 transitions. [2024-10-13 06:02:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 06:02:50,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:50,165 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:50,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 06:02:50,166 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:50,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:50,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1103972723, now seen corresponding path program 1 times [2024-10-13 06:02:50,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:50,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071459115] [2024-10-13 06:02:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:50,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:50,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:50,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071459115] [2024-10-13 06:02:50,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071459115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:50,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:50,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:02:50,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871081531] [2024-10-13 06:02:50,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:50,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:02:50,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:50,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:02:50,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:02:50,518 INFO L87 Difference]: Start difference. First operand 429 states and 592 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:50,671 INFO L93 Difference]: Finished difference Result 925 states and 1278 transitions. [2024-10-13 06:02:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:02:50,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 178 [2024-10-13 06:02:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:50,675 INFO L225 Difference]: With dead ends: 925 [2024-10-13 06:02:50,675 INFO L226 Difference]: Without dead ends: 497 [2024-10-13 06:02:50,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-13 06:02:50,676 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 160 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:50,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1392 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:02:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-10-13 06:02:50,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 441. [2024-10-13 06:02:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 391 states have (on average 1.3145780051150895) internal successors, (514), 394 states have internal predecessors, (514), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 604 transitions. [2024-10-13 06:02:50,698 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 604 transitions. Word has length 178 [2024-10-13 06:02:50,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:50,698 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 604 transitions. [2024-10-13 06:02:50,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 604 transitions. [2024-10-13 06:02:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-13 06:02:50,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:50,700 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:50,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 06:02:50,700 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:50,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:50,700 INFO L85 PathProgramCache]: Analyzing trace with hash -402520120, now seen corresponding path program 1 times [2024-10-13 06:02:50,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:50,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923766321] [2024-10-13 06:02:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:50,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:50,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923766321] [2024-10-13 06:02:50,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923766321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:50,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:50,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:02:50,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46424973] [2024-10-13 06:02:50,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:50,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:02:50,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:50,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:02:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:02:50,782 INFO L87 Difference]: Start difference. First operand 441 states and 604 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:50,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:50,811 INFO L93 Difference]: Finished difference Result 885 states and 1215 transitions. [2024-10-13 06:02:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:02:50,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-13 06:02:50,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:50,813 INFO L225 Difference]: With dead ends: 885 [2024-10-13 06:02:50,813 INFO L226 Difference]: Without dead ends: 445 [2024-10-13 06:02:50,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:02:50,814 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:50,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-13 06:02:50,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2024-10-13 06:02:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 395 states have (on average 1.3113924050632912) internal successors, (518), 398 states have internal predecessors, (518), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 608 transitions. [2024-10-13 06:02:50,835 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 608 transitions. Word has length 180 [2024-10-13 06:02:50,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:50,835 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 608 transitions. [2024-10-13 06:02:50,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2024-10-13 06:02:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-13 06:02:50,836 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:50,837 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:50,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 06:02:50,837 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:50,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:50,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1423588474, now seen corresponding path program 1 times [2024-10-13 06:02:50,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:50,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880885213] [2024-10-13 06:02:50,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:50,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:51,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:51,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880885213] [2024-10-13 06:02:51,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880885213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:51,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:51,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:02:51,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194732885] [2024-10-13 06:02:51,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:51,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:02:51,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:51,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:02:51,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:02:51,078 INFO L87 Difference]: Start difference. First operand 445 states and 608 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:51,142 INFO L93 Difference]: Finished difference Result 869 states and 1187 transitions. [2024-10-13 06:02:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:02:51,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 180 [2024-10-13 06:02:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:51,145 INFO L225 Difference]: With dead ends: 869 [2024-10-13 06:02:51,146 INFO L226 Difference]: Without dead ends: 425 [2024-10-13 06:02:51,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:02:51,147 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:51,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 469 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:51,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-13 06:02:51,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 421. [2024-10-13 06:02:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 371 states have (on average 1.2991913746630728) internal successors, (482), 374 states have internal predecessors, (482), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 572 transitions. [2024-10-13 06:02:51,175 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 572 transitions. Word has length 180 [2024-10-13 06:02:51,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:51,175 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 572 transitions. [2024-10-13 06:02:51,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 572 transitions. [2024-10-13 06:02:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 06:02:51,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:51,177 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:51,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 06:02:51,177 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:51,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:51,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1466077845, now seen corresponding path program 1 times [2024-10-13 06:02:51,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:51,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600227241] [2024-10-13 06:02:51,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:51,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:51,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:51,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600227241] [2024-10-13 06:02:51,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600227241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:51,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:51,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 06:02:51,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206148888] [2024-10-13 06:02:51,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:51,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 06:02:51,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:51,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 06:02:51,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:02:51,730 INFO L87 Difference]: Start difference. First operand 421 states and 572 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:51,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:51,999 INFO L93 Difference]: Finished difference Result 1073 states and 1454 transitions. [2024-10-13 06:02:51,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:02:51,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-10-13 06:02:52,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:52,002 INFO L225 Difference]: With dead ends: 1073 [2024-10-13 06:02:52,002 INFO L226 Difference]: Without dead ends: 653 [2024-10-13 06:02:52,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-10-13 06:02:52,003 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 150 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:52,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1143 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:02:52,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-10-13 06:02:52,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 485. [2024-10-13 06:02:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 435 states have (on average 1.27816091954023) internal successors, (556), 438 states have internal predecessors, (556), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 646 transitions. [2024-10-13 06:02:52,028 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 646 transitions. Word has length 182 [2024-10-13 06:02:52,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:52,028 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 646 transitions. [2024-10-13 06:02:52,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 646 transitions. [2024-10-13 06:02:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 06:02:52,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:52,030 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:52,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 06:02:52,030 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:52,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2127824873, now seen corresponding path program 1 times [2024-10-13 06:02:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:52,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133059674] [2024-10-13 06:02:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:52,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:52,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133059674] [2024-10-13 06:02:52,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133059674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:52,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:52,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:02:52,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799929030] [2024-10-13 06:02:52,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:52,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:02:52,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:52,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:02:52,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:02:52,117 INFO L87 Difference]: Start difference. First operand 485 states and 646 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:52,153 INFO L93 Difference]: Finished difference Result 983 states and 1311 transitions. [2024-10-13 06:02:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:02:52,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 182 [2024-10-13 06:02:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:52,155 INFO L225 Difference]: With dead ends: 983 [2024-10-13 06:02:52,155 INFO L226 Difference]: Without dead ends: 499 [2024-10-13 06:02:52,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:02:52,157 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:52,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-13 06:02:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 497. [2024-10-13 06:02:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 447 states have (on average 1.2706935123042506) internal successors, (568), 450 states have internal predecessors, (568), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 06:02:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 658 transitions. [2024-10-13 06:02:52,185 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 658 transitions. Word has length 182 [2024-10-13 06:02:52,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:52,185 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 658 transitions. [2024-10-13 06:02:52,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 658 transitions. [2024-10-13 06:02:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-13 06:02:52,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:52,187 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:52,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 06:02:52,187 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:52,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:52,187 INFO L85 PathProgramCache]: Analyzing trace with hash 650889941, now seen corresponding path program 1 times [2024-10-13 06:02:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:52,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327897580] [2024-10-13 06:02:52,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:52,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:52,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327897580] [2024-10-13 06:02:52,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327897580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:52,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:52,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:52,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777382494] [2024-10-13 06:02:52,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:52,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:52,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:52,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:52,835 INFO L87 Difference]: Start difference. First operand 497 states and 658 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:53,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:53,053 INFO L93 Difference]: Finished difference Result 997 states and 1316 transitions. [2024-10-13 06:02:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:53,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 183 [2024-10-13 06:02:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:53,056 INFO L225 Difference]: With dead ends: 997 [2024-10-13 06:02:53,056 INFO L226 Difference]: Without dead ends: 501 [2024-10-13 06:02:53,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:53,064 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 70 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:53,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 825 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:02:53,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-10-13 06:02:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 423. [2024-10-13 06:02:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 377 states have (on average 1.246684350132626) internal successors, (470), 378 states have internal predecessors, (470), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 06:02:53,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 552 transitions. [2024-10-13 06:02:53,114 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 552 transitions. Word has length 183 [2024-10-13 06:02:53,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:53,115 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 552 transitions. [2024-10-13 06:02:53,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 552 transitions. [2024-10-13 06:02:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-13 06:02:53,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:53,116 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:53,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 06:02:53,121 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:53,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:53,121 INFO L85 PathProgramCache]: Analyzing trace with hash -194539715, now seen corresponding path program 1 times [2024-10-13 06:02:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:53,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638502780] [2024-10-13 06:02:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:53,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:53,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638502780] [2024-10-13 06:02:53,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638502780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:53,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:53,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 06:02:53,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145507425] [2024-10-13 06:02:53,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:53,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:02:53,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:53,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:02:53,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:53,270 INFO L87 Difference]: Start difference. First operand 423 states and 552 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:53,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:53,307 INFO L93 Difference]: Finished difference Result 859 states and 1121 transitions. [2024-10-13 06:02:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:02:53,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 184 [2024-10-13 06:02:53,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:53,310 INFO L225 Difference]: With dead ends: 859 [2024-10-13 06:02:53,310 INFO L226 Difference]: Without dead ends: 437 [2024-10-13 06:02:53,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:02:53,311 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 1 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:53,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 634 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:02:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-13 06:02:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2024-10-13 06:02:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 385 states have (on average 1.2415584415584415) internal successors, (478), 386 states have internal predecessors, (478), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 06:02:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 560 transitions. [2024-10-13 06:02:53,336 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 560 transitions. Word has length 184 [2024-10-13 06:02:53,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:53,336 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 560 transitions. [2024-10-13 06:02:53,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:02:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 560 transitions. [2024-10-13 06:02:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-13 06:02:53,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:53,339 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:53,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 06:02:53,339 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:53,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:53,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1205656965, now seen corresponding path program 1 times [2024-10-13 06:02:53,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:53,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717256182] [2024-10-13 06:02:53,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:53,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:54,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:54,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717256182] [2024-10-13 06:02:54,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717256182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:54,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:54,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:54,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137427483] [2024-10-13 06:02:54,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:54,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:54,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:54,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:54,164 INFO L87 Difference]: Start difference. First operand 431 states and 560 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:54,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:54,330 INFO L93 Difference]: Finished difference Result 929 states and 1206 transitions. [2024-10-13 06:02:54,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:54,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 184 [2024-10-13 06:02:54,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:54,332 INFO L225 Difference]: With dead ends: 929 [2024-10-13 06:02:54,332 INFO L226 Difference]: Without dead ends: 499 [2024-10-13 06:02:54,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:54,334 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 115 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:54,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 591 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:02:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-13 06:02:54,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 431. [2024-10-13 06:02:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 385 states have (on average 1.2363636363636363) internal successors, (476), 386 states have internal predecessors, (476), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 06:02:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 558 transitions. [2024-10-13 06:02:54,351 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 558 transitions. Word has length 184 [2024-10-13 06:02:54,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:54,352 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 558 transitions. [2024-10-13 06:02:54,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 558 transitions. [2024-10-13 06:02:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 06:02:54,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:54,353 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:54,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-13 06:02:54,353 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:54,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:54,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1983495035, now seen corresponding path program 1 times [2024-10-13 06:02:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:54,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149346995] [2024-10-13 06:02:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:54,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:54,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149346995] [2024-10-13 06:02:54,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149346995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:54,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:54,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:54,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503032259] [2024-10-13 06:02:54,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:54,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:54,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:54,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:54,994 INFO L87 Difference]: Start difference. First operand 431 states and 558 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:55,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:55,171 INFO L93 Difference]: Finished difference Result 1021 states and 1316 transitions. [2024-10-13 06:02:55,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 06:02:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-13 06:02:55,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:55,174 INFO L225 Difference]: With dead ends: 1021 [2024-10-13 06:02:55,174 INFO L226 Difference]: Without dead ends: 591 [2024-10-13 06:02:55,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:55,175 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 125 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:55,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 741 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:02:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-10-13 06:02:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 587. [2024-10-13 06:02:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 529 states have (on average 1.2400756143667298) internal successors, (656), 532 states have internal predecessors, (656), 49 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (49), 46 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 06:02:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 754 transitions. [2024-10-13 06:02:55,212 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 754 transitions. Word has length 185 [2024-10-13 06:02:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:55,212 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 754 transitions. [2024-10-13 06:02:55,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 754 transitions. [2024-10-13 06:02:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 06:02:55,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:55,214 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:55,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 06:02:55,214 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:55,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:55,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1887825539, now seen corresponding path program 1 times [2024-10-13 06:02:55,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:55,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254124702] [2024-10-13 06:02:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:55,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:55,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254124702] [2024-10-13 06:02:55,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254124702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:55,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 06:02:55,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934231114] [2024-10-13 06:02:55,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:55,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 06:02:55,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:55,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 06:02:55,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:02:55,913 INFO L87 Difference]: Start difference. First operand 587 states and 754 transitions. Second operand has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:56,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:56,268 INFO L93 Difference]: Finished difference Result 1267 states and 1626 transitions. [2024-10-13 06:02:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 06:02:56,268 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-13 06:02:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:56,271 INFO L225 Difference]: With dead ends: 1267 [2024-10-13 06:02:56,271 INFO L226 Difference]: Without dead ends: 681 [2024-10-13 06:02:56,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-13 06:02:56,272 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 249 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:56,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1400 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:56,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-13 06:02:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2024-10-13 06:02:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 595 states have (on average 1.2403361344537815) internal successors, (738), 600 states have internal predecessors, (738), 61 states have call successors, (61), 12 states have call predecessors, (61), 12 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 06:02:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 860 transitions. [2024-10-13 06:02:56,308 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 860 transitions. Word has length 185 [2024-10-13 06:02:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:56,309 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 860 transitions. [2024-10-13 06:02:56,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 860 transitions. [2024-10-13 06:02:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 06:02:56,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:56,310 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:56,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 06:02:56,311 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:56,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1687835131, now seen corresponding path program 1 times [2024-10-13 06:02:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:56,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249459523] [2024-10-13 06:02:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:56,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:57,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:57,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249459523] [2024-10-13 06:02:57,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249459523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:57,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:57,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:02:57,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40680899] [2024-10-13 06:02:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:57,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:02:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:02:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:02:57,037 INFO L87 Difference]: Start difference. First operand 669 states and 860 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:57,391 INFO L93 Difference]: Finished difference Result 1413 states and 1814 transitions. [2024-10-13 06:02:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:02:57,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-13 06:02:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:57,396 INFO L225 Difference]: With dead ends: 1413 [2024-10-13 06:02:57,396 INFO L226 Difference]: Without dead ends: 745 [2024-10-13 06:02:57,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:02:57,397 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 72 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:57,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 756 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-10-13 06:02:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 671. [2024-10-13 06:02:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 595 states have (on average 1.2336134453781513) internal successors, (734), 600 states have internal predecessors, (734), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 06:02:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 856 transitions. [2024-10-13 06:02:57,432 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 856 transitions. Word has length 185 [2024-10-13 06:02:57,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:57,432 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 856 transitions. [2024-10-13 06:02:57,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 856 transitions. [2024-10-13 06:02:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 06:02:57,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:57,434 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:57,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 06:02:57,434 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:57,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:57,434 INFO L85 PathProgramCache]: Analyzing trace with hash 676717881, now seen corresponding path program 1 times [2024-10-13 06:02:57,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:57,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385058024] [2024-10-13 06:02:57,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:57,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:58,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:58,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385058024] [2024-10-13 06:02:58,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385058024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:58,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:58,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 06:02:58,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125504035] [2024-10-13 06:02:58,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:58,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 06:02:58,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:58,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 06:02:58,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:02:58,093 INFO L87 Difference]: Start difference. First operand 671 states and 856 transitions. Second operand has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:02:58,410 INFO L93 Difference]: Finished difference Result 1431 states and 1824 transitions. [2024-10-13 06:02:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:02:58,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-13 06:02:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:02:58,414 INFO L225 Difference]: With dead ends: 1431 [2024-10-13 06:02:58,414 INFO L226 Difference]: Without dead ends: 761 [2024-10-13 06:02:58,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-13 06:02:58,417 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 74 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1306 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:02:58,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1306 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:02:58,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-10-13 06:02:58,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 671. [2024-10-13 06:02:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 595 states have (on average 1.2302521008403362) internal successors, (732), 600 states have internal predecessors, (732), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 06:02:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 854 transitions. [2024-10-13 06:02:58,495 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 854 transitions. Word has length 185 [2024-10-13 06:02:58,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:02:58,495 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 854 transitions. [2024-10-13 06:02:58,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:02:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 854 transitions. [2024-10-13 06:02:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 06:02:58,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:02:58,498 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:02:58,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-13 06:02:58,502 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:02:58,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:02:58,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1377782459, now seen corresponding path program 1 times [2024-10-13 06:02:58,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:02:58,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247696256] [2024-10-13 06:02:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:02:58,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:02:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:02:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:02:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:02:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:02:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:02:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:02:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:02:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:02:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:02:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:02:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:02:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:02:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:02:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:02:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:02:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:02:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:02:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:02:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:02:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:02:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:02:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:02:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:02:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:02:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:02:59,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:02:59,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247696256] [2024-10-13 06:02:59,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247696256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:02:59,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:02:59,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 06:02:59,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361727689] [2024-10-13 06:02:59,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:02:59,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 06:02:59,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:02:59,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 06:02:59,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:02:59,643 INFO L87 Difference]: Start difference. First operand 671 states and 854 transitions. Second operand has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:00,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:00,117 INFO L93 Difference]: Finished difference Result 1457 states and 1861 transitions. [2024-10-13 06:03:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 06:03:00,118 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-13 06:03:00,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:00,121 INFO L225 Difference]: With dead ends: 1457 [2024-10-13 06:03:00,121 INFO L226 Difference]: Without dead ends: 787 [2024-10-13 06:03:00,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-13 06:03:00,123 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 166 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:00,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1482 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:03:00,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-10-13 06:03:00,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 697. [2024-10-13 06:03:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 621 states have (on average 1.2238325281803544) internal successors, (760), 626 states have internal predecessors, (760), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 06:03:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 882 transitions. [2024-10-13 06:03:00,158 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 882 transitions. Word has length 185 [2024-10-13 06:03:00,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:00,158 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 882 transitions. [2024-10-13 06:03:00,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 882 transitions. [2024-10-13 06:03:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 06:03:00,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:00,160 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:00,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-13 06:03:00,160 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:00,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:00,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1127970309, now seen corresponding path program 1 times [2024-10-13 06:03:00,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:00,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420297639] [2024-10-13 06:03:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:00,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:01,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:01,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420297639] [2024-10-13 06:03:01,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420297639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:01,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:01,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 06:03:01,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166512854] [2024-10-13 06:03:01,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:01,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 06:03:01,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:01,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 06:03:01,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:03:01,233 INFO L87 Difference]: Start difference. First operand 697 states and 882 transitions. Second operand has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:01,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:01,623 INFO L93 Difference]: Finished difference Result 1465 states and 1856 transitions. [2024-10-13 06:03:01,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 06:03:01,624 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 185 [2024-10-13 06:03:01,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:01,627 INFO L225 Difference]: With dead ends: 1465 [2024-10-13 06:03:01,627 INFO L226 Difference]: Without dead ends: 769 [2024-10-13 06:03:01,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-13 06:03:01,628 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 110 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:01,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1412 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:03:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-10-13 06:03:01,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 695. [2024-10-13 06:03:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 619 states have (on average 1.2245557350565428) internal successors, (758), 624 states have internal predecessors, (758), 61 states have call successors, (61), 14 states have call predecessors, (61), 14 states have return successors, (61), 56 states have call predecessors, (61), 61 states have call successors, (61) [2024-10-13 06:03:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 880 transitions. [2024-10-13 06:03:01,663 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 880 transitions. Word has length 185 [2024-10-13 06:03:01,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:01,663 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 880 transitions. [2024-10-13 06:03:01,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 880 transitions. [2024-10-13 06:03:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:01,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:01,664 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:01,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-13 06:03:01,665 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:01,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash -24819295, now seen corresponding path program 1 times [2024-10-13 06:03:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:01,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819360368] [2024-10-13 06:03:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:02,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819360368] [2024-10-13 06:03:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819360368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:02,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:02,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 06:03:02,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110891260] [2024-10-13 06:03:02,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:02,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 06:03:02,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:02,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 06:03:02,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:02,257 INFO L87 Difference]: Start difference. First operand 695 states and 880 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:02,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:02,696 INFO L93 Difference]: Finished difference Result 1869 states and 2383 transitions. [2024-10-13 06:03:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:03:02,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2024-10-13 06:03:02,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:02,701 INFO L225 Difference]: With dead ends: 1869 [2024-10-13 06:03:02,701 INFO L226 Difference]: Without dead ends: 1175 [2024-10-13 06:03:02,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:03:02,703 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 371 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:02,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1144 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:03:02,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-10-13 06:03:02,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1057. [2024-10-13 06:03:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 916 states have (on average 1.1997816593886463) internal successors, (1099), 925 states have internal predecessors, (1099), 114 states have call successors, (114), 26 states have call predecessors, (114), 26 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-13 06:03:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1327 transitions. [2024-10-13 06:03:02,762 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1327 transitions. Word has length 186 [2024-10-13 06:03:02,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:02,763 INFO L471 AbstractCegarLoop]: Abstraction has 1057 states and 1327 transitions. [2024-10-13 06:03:02,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1327 transitions. [2024-10-13 06:03:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:02,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:02,765 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:02,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-13 06:03:02,765 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:02,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:02,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1973585727, now seen corresponding path program 1 times [2024-10-13 06:03:02,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:02,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865233011] [2024-10-13 06:03:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:02,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:02,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865233011] [2024-10-13 06:03:02,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865233011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:02,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:02,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:03:02,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622940585] [2024-10-13 06:03:02,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:02,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:03:02,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:02,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:03:02,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:03:02,848 INFO L87 Difference]: Start difference. First operand 1057 states and 1327 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:02,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:02,919 INFO L93 Difference]: Finished difference Result 2143 states and 2693 transitions. [2024-10-13 06:03:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:03:02,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-13 06:03:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:02,928 INFO L225 Difference]: With dead ends: 2143 [2024-10-13 06:03:02,928 INFO L226 Difference]: Without dead ends: 1087 [2024-10-13 06:03:02,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:03:02,930 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:02,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 480 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:03:02,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-10-13 06:03:02,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1077. [2024-10-13 06:03:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 936 states have (on average 1.1955128205128205) internal successors, (1119), 945 states have internal predecessors, (1119), 114 states have call successors, (114), 26 states have call predecessors, (114), 26 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-13 06:03:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1347 transitions. [2024-10-13 06:03:02,995 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1347 transitions. Word has length 186 [2024-10-13 06:03:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:02,995 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1347 transitions. [2024-10-13 06:03:02,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1347 transitions. [2024-10-13 06:03:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:02,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:02,997 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:02,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 06:03:02,997 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:02,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:02,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1641323199, now seen corresponding path program 1 times [2024-10-13 06:03:02,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:02,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094710597] [2024-10-13 06:03:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:03,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:03,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094710597] [2024-10-13 06:03:03,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094710597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:03,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:03,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:03:03,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855506834] [2024-10-13 06:03:03,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:03,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:03:03,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:03,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:03:03,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:03:03,496 INFO L87 Difference]: Start difference. First operand 1077 states and 1347 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:03,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:03,789 INFO L93 Difference]: Finished difference Result 3087 states and 3840 transitions. [2024-10-13 06:03:03,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:03:03,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2024-10-13 06:03:03,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:03,796 INFO L225 Difference]: With dead ends: 3087 [2024-10-13 06:03:03,797 INFO L226 Difference]: Without dead ends: 2011 [2024-10-13 06:03:03,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:03,801 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 139 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:03,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 568 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2024-10-13 06:03:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 2005. [2024-10-13 06:03:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2005 states, 1766 states have (on average 1.1930917327293318) internal successors, (2107), 1785 states have internal predecessors, (2107), 186 states have call successors, (186), 52 states have call predecessors, (186), 52 states have return successors, (186), 167 states have call predecessors, (186), 186 states have call successors, (186) [2024-10-13 06:03:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2479 transitions. [2024-10-13 06:03:03,925 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2479 transitions. Word has length 186 [2024-10-13 06:03:03,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:03,926 INFO L471 AbstractCegarLoop]: Abstraction has 2005 states and 2479 transitions. [2024-10-13 06:03:03,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2479 transitions. [2024-10-13 06:03:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:03,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:03,932 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:03,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-13 06:03:03,932 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:03,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:03,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1272521149, now seen corresponding path program 1 times [2024-10-13 06:03:03,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:03,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072638449] [2024-10-13 06:03:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:03,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:05,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072638449] [2024-10-13 06:03:05,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072638449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:05,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:05,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 06:03:05,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553457227] [2024-10-13 06:03:05,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:05,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 06:03:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:05,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 06:03:05,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:03:05,005 INFO L87 Difference]: Start difference. First operand 2005 states and 2479 transitions. Second operand has 11 states, 9 states have (on average 8.222222222222221) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-13 06:03:05,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:05,676 INFO L93 Difference]: Finished difference Result 5824 states and 7153 transitions. [2024-10-13 06:03:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 06:03:05,677 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.222222222222221) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) Word has length 186 [2024-10-13 06:03:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:05,691 INFO L225 Difference]: With dead ends: 5824 [2024-10-13 06:03:05,691 INFO L226 Difference]: Without dead ends: 3820 [2024-10-13 06:03:05,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-10-13 06:03:05,695 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 237 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:05,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1118 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 06:03:05,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2024-10-13 06:03:05,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 3793. [2024-10-13 06:03:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3793 states, 3374 states have (on average 1.1834617664493183) internal successors, (3993), 3413 states have internal predecessors, (3993), 314 states have call successors, (314), 104 states have call predecessors, (314), 104 states have return successors, (314), 275 states have call predecessors, (314), 314 states have call successors, (314) [2024-10-13 06:03:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 3793 states and 4621 transitions. [2024-10-13 06:03:05,956 INFO L78 Accepts]: Start accepts. Automaton has 3793 states and 4621 transitions. Word has length 186 [2024-10-13 06:03:05,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:05,957 INFO L471 AbstractCegarLoop]: Abstraction has 3793 states and 4621 transitions. [2024-10-13 06:03:05,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.222222222222221) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-13 06:03:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3793 states and 4621 transitions. [2024-10-13 06:03:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:05,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:05,962 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:05,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-13 06:03:05,962 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:05,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:05,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1932052671, now seen corresponding path program 1 times [2024-10-13 06:03:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029102350] [2024-10-13 06:03:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:06,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:06,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029102350] [2024-10-13 06:03:06,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029102350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:06,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:06,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:03:06,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087887034] [2024-10-13 06:03:06,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:06,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:03:06,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:06,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:03:06,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:03:06,416 INFO L87 Difference]: Start difference. First operand 3793 states and 4621 transitions. Second operand has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:06,960 INFO L93 Difference]: Finished difference Result 8591 states and 10445 transitions. [2024-10-13 06:03:06,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:03:06,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2024-10-13 06:03:06,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:06,993 INFO L225 Difference]: With dead ends: 8591 [2024-10-13 06:03:06,993 INFO L226 Difference]: Without dead ends: 4799 [2024-10-13 06:03:07,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:03:07,002 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 81 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:07,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1046 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:07,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4799 states. [2024-10-13 06:03:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4799 to 4753. [2024-10-13 06:03:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4753 states, 4211 states have (on average 1.1783424364758965) internal successors, (4962), 4261 states have internal predecessors, (4962), 404 states have call successors, (404), 137 states have call predecessors, (404), 137 states have return successors, (404), 354 states have call predecessors, (404), 404 states have call successors, (404) [2024-10-13 06:03:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4753 states to 4753 states and 5770 transitions. [2024-10-13 06:03:07,314 INFO L78 Accepts]: Start accepts. Automaton has 4753 states and 5770 transitions. Word has length 186 [2024-10-13 06:03:07,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:07,314 INFO L471 AbstractCegarLoop]: Abstraction has 4753 states and 5770 transitions. [2024-10-13 06:03:07,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 4753 states and 5770 transitions. [2024-10-13 06:03:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:07,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:07,320 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:07,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-13 06:03:07,320 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:07,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:07,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1682856255, now seen corresponding path program 1 times [2024-10-13 06:03:07,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:07,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20145693] [2024-10-13 06:03:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:07,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:07,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:07,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20145693] [2024-10-13 06:03:07,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20145693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:07,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:07,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 06:03:07,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994339254] [2024-10-13 06:03:07,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:07,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 06:03:07,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:07,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 06:03:07,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:03:07,674 INFO L87 Difference]: Start difference. First operand 4753 states and 5770 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:08,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:08,269 INFO L93 Difference]: Finished difference Result 10623 states and 12933 transitions. [2024-10-13 06:03:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:03:08,269 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 186 [2024-10-13 06:03:08,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:08,283 INFO L225 Difference]: With dead ends: 10623 [2024-10-13 06:03:08,283 INFO L226 Difference]: Without dead ends: 5903 [2024-10-13 06:03:08,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-10-13 06:03:08,290 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 143 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:08,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1723 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2024-10-13 06:03:08,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 5303. [2024-10-13 06:03:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5303 states, 4758 states have (on average 1.1733921815889028) internal successors, (5583), 4808 states have internal predecessors, (5583), 406 states have call successors, (406), 138 states have call predecessors, (406), 138 states have return successors, (406), 356 states have call predecessors, (406), 406 states have call successors, (406) [2024-10-13 06:03:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 5303 states and 6395 transitions. [2024-10-13 06:03:08,582 INFO L78 Accepts]: Start accepts. Automaton has 5303 states and 6395 transitions. Word has length 186 [2024-10-13 06:03:08,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:08,583 INFO L471 AbstractCegarLoop]: Abstraction has 5303 states and 6395 transitions. [2024-10-13 06:03:08,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:08,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 6395 transitions. [2024-10-13 06:03:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 06:03:08,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:08,588 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:08,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-13 06:03:08,589 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:08,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash 86685505, now seen corresponding path program 1 times [2024-10-13 06:03:08,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:08,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427185402] [2024-10-13 06:03:08,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:08,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:09,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:09,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427185402] [2024-10-13 06:03:09,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427185402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:09,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:09,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:03:09,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745315215] [2024-10-13 06:03:09,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:09,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:03:09,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:09,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:03:09,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:03:09,185 INFO L87 Difference]: Start difference. First operand 5303 states and 6395 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:09,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:09,709 INFO L93 Difference]: Finished difference Result 10531 states and 12671 transitions. [2024-10-13 06:03:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:03:09,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 186 [2024-10-13 06:03:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:09,721 INFO L225 Difference]: With dead ends: 10531 [2024-10-13 06:03:09,721 INFO L226 Difference]: Without dead ends: 5269 [2024-10-13 06:03:09,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:09,729 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 79 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:09,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 802 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:09,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5269 states. [2024-10-13 06:03:09,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5269 to 4385. [2024-10-13 06:03:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4385 states, 4055 states have (on average 1.1561035758323057) internal successors, (4688), 4085 states have internal predecessors, (4688), 243 states have call successors, (243), 86 states have call predecessors, (243), 86 states have return successors, (243), 213 states have call predecessors, (243), 243 states have call successors, (243) [2024-10-13 06:03:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 4385 states and 5174 transitions. [2024-10-13 06:03:09,949 INFO L78 Accepts]: Start accepts. Automaton has 4385 states and 5174 transitions. Word has length 186 [2024-10-13 06:03:09,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:09,950 INFO L471 AbstractCegarLoop]: Abstraction has 4385 states and 5174 transitions. [2024-10-13 06:03:09,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4385 states and 5174 transitions. [2024-10-13 06:03:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-13 06:03:09,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:09,955 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:09,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-13 06:03:09,955 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:09,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:09,956 INFO L85 PathProgramCache]: Analyzing trace with hash -330141773, now seen corresponding path program 1 times [2024-10-13 06:03:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:09,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232528264] [2024-10-13 06:03:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:11,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:11,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232528264] [2024-10-13 06:03:11,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232528264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:11,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:11,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 06:03:11,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161751613] [2024-10-13 06:03:11,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:11,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 06:03:11,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:11,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 06:03:11,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-13 06:03:11,057 INFO L87 Difference]: Start difference. First operand 4385 states and 5174 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:12,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:12,026 INFO L93 Difference]: Finished difference Result 12291 states and 14431 transitions. [2024-10-13 06:03:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 06:03:12,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2024-10-13 06:03:12,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:12,039 INFO L225 Difference]: With dead ends: 12291 [2024-10-13 06:03:12,040 INFO L226 Difference]: Without dead ends: 7943 [2024-10-13 06:03:12,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-10-13 06:03:12,045 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 305 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:12,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 2134 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 06:03:12,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7943 states. [2024-10-13 06:03:12,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7943 to 4529. [2024-10-13 06:03:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4529 states, 4199 states have (on average 1.1564658251964754) internal successors, (4856), 4229 states have internal predecessors, (4856), 243 states have call successors, (243), 86 states have call predecessors, (243), 86 states have return successors, (243), 213 states have call predecessors, (243), 243 states have call successors, (243) [2024-10-13 06:03:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 4529 states and 5342 transitions. [2024-10-13 06:03:12,264 INFO L78 Accepts]: Start accepts. Automaton has 4529 states and 5342 transitions. Word has length 187 [2024-10-13 06:03:12,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:12,264 INFO L471 AbstractCegarLoop]: Abstraction has 4529 states and 5342 transitions. [2024-10-13 06:03:12,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states and 5342 transitions. [2024-10-13 06:03:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-13 06:03:12,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:12,270 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:12,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-13 06:03:12,270 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:12,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:12,270 INFO L85 PathProgramCache]: Analyzing trace with hash 371458101, now seen corresponding path program 1 times [2024-10-13 06:03:12,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:12,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843884652] [2024-10-13 06:03:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:12,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:12,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:12,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843884652] [2024-10-13 06:03:12,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843884652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:12,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:12,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:03:12,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347589637] [2024-10-13 06:03:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:12,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:03:12,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:12,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:03:12,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:03:12,763 INFO L87 Difference]: Start difference. First operand 4529 states and 5342 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:13,098 INFO L93 Difference]: Finished difference Result 8691 states and 10258 transitions. [2024-10-13 06:03:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:03:13,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2024-10-13 06:03:13,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:13,117 INFO L225 Difference]: With dead ends: 8691 [2024-10-13 06:03:13,117 INFO L226 Difference]: Without dead ends: 4199 [2024-10-13 06:03:13,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:13,153 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 161 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:13,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 698 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:03:13,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4199 states. [2024-10-13 06:03:13,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4199 to 4197. [2024-10-13 06:03:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4197 states, 3867 states have (on average 1.1502456684768554) internal successors, (4448), 3897 states have internal predecessors, (4448), 243 states have call successors, (243), 86 states have call predecessors, (243), 86 states have return successors, (243), 213 states have call predecessors, (243), 243 states have call successors, (243) [2024-10-13 06:03:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 4934 transitions. [2024-10-13 06:03:13,346 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 4934 transitions. Word has length 187 [2024-10-13 06:03:13,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:13,347 INFO L471 AbstractCegarLoop]: Abstraction has 4197 states and 4934 transitions. [2024-10-13 06:03:13,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 4934 transitions. [2024-10-13 06:03:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 06:03:13,352 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:13,352 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:13,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-13 06:03:13,352 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:13,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:13,353 INFO L85 PathProgramCache]: Analyzing trace with hash -983176968, now seen corresponding path program 1 times [2024-10-13 06:03:13,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:13,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928447244] [2024-10-13 06:03:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:14,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:14,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928447244] [2024-10-13 06:03:14,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928447244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:14,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:14,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 06:03:14,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301813055] [2024-10-13 06:03:14,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:14,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 06:03:14,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:14,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 06:03:14,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:03:14,237 INFO L87 Difference]: Start difference. First operand 4197 states and 4934 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:15,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:15,073 INFO L93 Difference]: Finished difference Result 10065 states and 11830 transitions. [2024-10-13 06:03:15,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:03:15,074 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-10-13 06:03:15,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:15,086 INFO L225 Difference]: With dead ends: 10065 [2024-10-13 06:03:15,086 INFO L226 Difference]: Without dead ends: 5905 [2024-10-13 06:03:15,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-13 06:03:15,092 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 133 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:15,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1369 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:03:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5905 states. [2024-10-13 06:03:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5905 to 5031. [2024-10-13 06:03:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5031 states, 4611 states have (on average 1.1489915419648666) internal successors, (5298), 4651 states have internal predecessors, (5298), 307 states have call successors, (307), 112 states have call predecessors, (307), 112 states have return successors, (307), 267 states have call predecessors, (307), 307 states have call successors, (307) [2024-10-13 06:03:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 5031 states and 5912 transitions. [2024-10-13 06:03:15,372 INFO L78 Accepts]: Start accepts. Automaton has 5031 states and 5912 transitions. Word has length 188 [2024-10-13 06:03:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:15,372 INFO L471 AbstractCegarLoop]: Abstraction has 5031 states and 5912 transitions. [2024-10-13 06:03:15,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 5031 states and 5912 transitions. [2024-10-13 06:03:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 06:03:15,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:15,377 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:15,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-13 06:03:15,378 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:15,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash -303118598, now seen corresponding path program 1 times [2024-10-13 06:03:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:15,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078779543] [2024-10-13 06:03:15,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:15,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078779543] [2024-10-13 06:03:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078779543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:15,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:03:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537377090] [2024-10-13 06:03:15,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:15,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:03:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:03:15,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:03:15,826 INFO L87 Difference]: Start difference. First operand 5031 states and 5912 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:16,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:16,439 INFO L93 Difference]: Finished difference Result 10911 states and 12816 transitions. [2024-10-13 06:03:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:03:16,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-10-13 06:03:16,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:16,453 INFO L225 Difference]: With dead ends: 10911 [2024-10-13 06:03:16,453 INFO L226 Difference]: Without dead ends: 5917 [2024-10-13 06:03:16,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:03:16,460 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 139 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:16,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 852 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 06:03:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2024-10-13 06:03:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 5439. [2024-10-13 06:03:16,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 4923 states have (on average 1.1476741824091001) internal successors, (5650), 4973 states have internal predecessors, (5650), 375 states have call successors, (375), 140 states have call predecessors, (375), 140 states have return successors, (375), 325 states have call predecessors, (375), 375 states have call successors, (375) [2024-10-13 06:03:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 6400 transitions. [2024-10-13 06:03:16,814 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 6400 transitions. Word has length 188 [2024-10-13 06:03:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:16,815 INFO L471 AbstractCegarLoop]: Abstraction has 5439 states and 6400 transitions. [2024-10-13 06:03:16,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 6400 transitions. [2024-10-13 06:03:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 06:03:16,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:16,820 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:16,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-13 06:03:16,820 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:16,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:16,821 INFO L85 PathProgramCache]: Analyzing trace with hash -764830453, now seen corresponding path program 1 times [2024-10-13 06:03:16,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:16,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256894531] [2024-10-13 06:03:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:16,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:17,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256894531] [2024-10-13 06:03:17,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256894531] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880241964] [2024-10-13 06:03:17,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:17,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:17,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:17,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 06:03:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:17,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-13 06:03:17,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:17,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-10-13 06:03:17,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-10-13 06:03:17,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-10-13 06:03:17,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 64 [2024-10-13 06:03:17,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:17,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-10-13 06:03:18,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51 [2024-10-13 06:03:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 486 proven. 42 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-10-13 06:03:18,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:03:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:18,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880241964] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 06:03:18,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 06:03:18,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 16 [2024-10-13 06:03:18,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313214052] [2024-10-13 06:03:18,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 06:03:18,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 06:03:18,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:18,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 06:03:18,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-10-13 06:03:18,344 INFO L87 Difference]: Start difference. First operand 5439 states and 6400 transitions. Second operand has 16 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 16 states have internal predecessors, (95), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 5 states have call successors, (39) [2024-10-13 06:03:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:19,330 INFO L93 Difference]: Finished difference Result 10745 states and 12596 transitions. [2024-10-13 06:03:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 06:03:19,330 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 16 states have internal predecessors, (95), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 5 states have call successors, (39) Word has length 188 [2024-10-13 06:03:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:19,343 INFO L225 Difference]: With dead ends: 10745 [2024-10-13 06:03:19,343 INFO L226 Difference]: Without dead ends: 5343 [2024-10-13 06:03:19,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 414 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-10-13 06:03:19,350 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 191 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:19,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 730 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 06:03:19,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2024-10-13 06:03:19,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 2935. [2024-10-13 06:03:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2696 states have (on average 1.1457715133531157) internal successors, (3089), 2716 states have internal predecessors, (3089), 170 states have call successors, (170), 68 states have call predecessors, (170), 68 states have return successors, (170), 150 states have call predecessors, (170), 170 states have call successors, (170) [2024-10-13 06:03:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 3429 transitions. [2024-10-13 06:03:19,558 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 3429 transitions. Word has length 188 [2024-10-13 06:03:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:19,558 INFO L471 AbstractCegarLoop]: Abstraction has 2935 states and 3429 transitions. [2024-10-13 06:03:19,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 16 states have internal predecessors, (95), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 2 states have call predecessors, (39), 5 states have call successors, (39) [2024-10-13 06:03:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3429 transitions. [2024-10-13 06:03:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 06:03:19,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:19,565 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:19,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 06:03:19,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-13 06:03:19,766 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:19,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:19,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1909133041, now seen corresponding path program 1 times [2024-10-13 06:03:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:19,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248306243] [2024-10-13 06:03:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 9 proven. 57 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:20,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:20,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248306243] [2024-10-13 06:03:20,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248306243] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:20,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839685744] [2024-10-13 06:03:20,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:20,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:20,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:20,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 06:03:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:20,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 06:03:20,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:20,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2024-10-13 06:03:20,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 62 [2024-10-13 06:03:20,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2024-10-13 06:03:20,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:20,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 37 [2024-10-13 06:03:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 526 proven. 30 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-10-13 06:03:20,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:03:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:20,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839685744] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 06:03:20,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 06:03:20,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 8] total 15 [2024-10-13 06:03:20,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108186618] [2024-10-13 06:03:20,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 06:03:20,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 06:03:20,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:20,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 06:03:20,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-13 06:03:20,935 INFO L87 Difference]: Start difference. First operand 2935 states and 3429 transitions. Second operand has 15 states, 12 states have (on average 9.916666666666666) internal successors, (119), 15 states have internal predecessors, (119), 6 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (54), 3 states have call predecessors, (54), 6 states have call successors, (54) [2024-10-13 06:03:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:22,041 INFO L93 Difference]: Finished difference Result 5112 states and 5948 transitions. [2024-10-13 06:03:22,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-13 06:03:22,042 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.916666666666666) internal successors, (119), 15 states have internal predecessors, (119), 6 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (54), 3 states have call predecessors, (54), 6 states have call successors, (54) Word has length 188 [2024-10-13 06:03:22,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:22,050 INFO L225 Difference]: With dead ends: 5112 [2024-10-13 06:03:22,050 INFO L226 Difference]: Without dead ends: 2212 [2024-10-13 06:03:22,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 419 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=269, Invalid=1137, Unknown=0, NotChecked=0, Total=1406 [2024-10-13 06:03:22,055 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 382 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:22,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 763 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 06:03:22,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2024-10-13 06:03:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 1139. [2024-10-13 06:03:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1050 states have (on average 1.1457142857142857) internal successors, (1203), 1054 states have internal predecessors, (1203), 62 states have call successors, (62), 26 states have call predecessors, (62), 26 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 06:03:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1327 transitions. [2024-10-13 06:03:22,167 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1327 transitions. Word has length 188 [2024-10-13 06:03:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:22,168 INFO L471 AbstractCegarLoop]: Abstraction has 1139 states and 1327 transitions. [2024-10-13 06:03:22,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.916666666666666) internal successors, (119), 15 states have internal predecessors, (119), 6 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (54), 3 states have call predecessors, (54), 6 states have call successors, (54) [2024-10-13 06:03:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1327 transitions. [2024-10-13 06:03:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-13 06:03:22,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:22,170 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:22,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 06:03:22,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:22,372 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:22,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:22,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1281421750, now seen corresponding path program 1 times [2024-10-13 06:03:22,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:22,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031026168] [2024-10-13 06:03:22,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:22,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:22,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031026168] [2024-10-13 06:03:22,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031026168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:22,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:22,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:03:22,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535655596] [2024-10-13 06:03:22,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:22,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:03:22,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:22,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:03:22,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:03:22,481 INFO L87 Difference]: Start difference. First operand 1139 states and 1327 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:22,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:22,591 INFO L93 Difference]: Finished difference Result 1973 states and 2306 transitions. [2024-10-13 06:03:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:03:22,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 191 [2024-10-13 06:03:22,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:22,596 INFO L225 Difference]: With dead ends: 1973 [2024-10-13 06:03:22,597 INFO L226 Difference]: Without dead ends: 869 [2024-10-13 06:03:22,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:03:22,599 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:22,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 470 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:03:22,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-13 06:03:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2024-10-13 06:03:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 780 states have (on average 1.1397435897435897) internal successors, (889), 784 states have internal predecessors, (889), 62 states have call successors, (62), 26 states have call predecessors, (62), 26 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 06:03:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1013 transitions. [2024-10-13 06:03:22,699 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1013 transitions. Word has length 191 [2024-10-13 06:03:22,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:22,700 INFO L471 AbstractCegarLoop]: Abstraction has 869 states and 1013 transitions. [2024-10-13 06:03:22,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1013 transitions. [2024-10-13 06:03:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-13 06:03:22,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:22,702 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:22,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-13 06:03:22,703 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:22,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:22,703 INFO L85 PathProgramCache]: Analyzing trace with hash 123361073, now seen corresponding path program 1 times [2024-10-13 06:03:22,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:22,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656347208] [2024-10-13 06:03:22,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:22,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656347208] [2024-10-13 06:03:23,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656347208] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:23,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137624680] [2024-10-13 06:03:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:23,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:23,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:23,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 06:03:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:23,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 06:03:23,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:23,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-10-13 06:03:23,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-10-13 06:03:23,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 64 [2024-10-13 06:03:23,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2024-10-13 06:03:23,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 66 [2024-10-13 06:03:23,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:23,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 94 [2024-10-13 06:03:23,770 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:23,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 54 [2024-10-13 06:03:23,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:23,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 135 treesize of output 101 [2024-10-13 06:03:24,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:24,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 160 treesize of output 76 [2024-10-13 06:03:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 522 proven. 36 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-10-13 06:03:24,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:03:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 30 proven. 36 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:25,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137624680] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 06:03:25,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 06:03:25,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 15 [2024-10-13 06:03:25,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154874230] [2024-10-13 06:03:25,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 06:03:25,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 06:03:25,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:25,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 06:03:25,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-13 06:03:25,174 INFO L87 Difference]: Start difference. First operand 869 states and 1013 transitions. Second operand has 15 states, 12 states have (on average 12.583333333333334) internal successors, (151), 15 states have internal predecessors, (151), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 5 states have call successors, (37) [2024-10-13 06:03:26,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:26,309 INFO L93 Difference]: Finished difference Result 1724 states and 2000 transitions. [2024-10-13 06:03:26,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 06:03:26,310 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 12.583333333333334) internal successors, (151), 15 states have internal predecessors, (151), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 5 states have call successors, (37) Word has length 191 [2024-10-13 06:03:26,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:26,315 INFO L225 Difference]: With dead ends: 1724 [2024-10-13 06:03:26,315 INFO L226 Difference]: Without dead ends: 890 [2024-10-13 06:03:26,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 415 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2024-10-13 06:03:26,317 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 596 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:26,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 691 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 06:03:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-10-13 06:03:26,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 607. [2024-10-13 06:03:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 516 states have (on average 1.122093023255814) internal successors, (579), 520 states have internal predecessors, (579), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 06:03:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 703 transitions. [2024-10-13 06:03:26,411 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 703 transitions. Word has length 191 [2024-10-13 06:03:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:26,412 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 703 transitions. [2024-10-13 06:03:26,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 12.583333333333334) internal successors, (151), 15 states have internal predecessors, (151), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 5 states have call successors, (37) [2024-10-13 06:03:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 703 transitions. [2024-10-13 06:03:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-13 06:03:26,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:26,413 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:26,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 06:03:26,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:26,615 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:26,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:26,615 INFO L85 PathProgramCache]: Analyzing trace with hash -742501098, now seen corresponding path program 1 times [2024-10-13 06:03:26,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:26,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231548383] [2024-10-13 06:03:26,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:27,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231548383] [2024-10-13 06:03:27,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231548383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:27,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:27,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:03:27,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190327301] [2024-10-13 06:03:27,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:27,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:03:27,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:27,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:03:27,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:03:27,057 INFO L87 Difference]: Start difference. First operand 607 states and 703 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:27,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:27,366 INFO L93 Difference]: Finished difference Result 1179 states and 1366 transitions. [2024-10-13 06:03:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:03:27,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 193 [2024-10-13 06:03:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:27,371 INFO L225 Difference]: With dead ends: 1179 [2024-10-13 06:03:27,371 INFO L226 Difference]: Without dead ends: 607 [2024-10-13 06:03:27,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:27,373 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 184 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:27,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 286 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:27,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-13 06:03:27,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2024-10-13 06:03:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 516 states have (on average 1.1143410852713178) internal successors, (575), 520 states have internal predecessors, (575), 62 states have call successors, (62), 28 states have call predecessors, (62), 28 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 06:03:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 699 transitions. [2024-10-13 06:03:27,478 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 699 transitions. Word has length 193 [2024-10-13 06:03:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:27,483 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 699 transitions. [2024-10-13 06:03:27,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 699 transitions. [2024-10-13 06:03:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 06:03:27,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:27,488 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:27,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-13 06:03:27,489 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:27,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1801164911, now seen corresponding path program 1 times [2024-10-13 06:03:27,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:27,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127980616] [2024-10-13 06:03:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:27,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:28,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:28,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127980616] [2024-10-13 06:03:28,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127980616] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:28,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189150657] [2024-10-13 06:03:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:28,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:28,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:28,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:28,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 06:03:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:29,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 06:03:29,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:29,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-13 06:03:29,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-13 06:03:29,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-13 06:03:29,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-13 06:03:29,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2024-10-13 06:03:29,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2024-10-13 06:03:29,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2024-10-13 06:03:29,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2024-10-13 06:03:29,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 74 [2024-10-13 06:03:29,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 44 [2024-10-13 06:03:30,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:30,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 83 [2024-10-13 06:03:30,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:30,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 124 treesize of output 68 [2024-10-13 06:03:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-10-13 06:03:30,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:03:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:31,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189150657] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 06:03:31,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 06:03:31,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 19 [2024-10-13 06:03:31,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415085467] [2024-10-13 06:03:31,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 06:03:31,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-13 06:03:31,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-13 06:03:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-10-13 06:03:31,156 INFO L87 Difference]: Start difference. First operand 607 states and 699 transitions. Second operand has 19 states, 16 states have (on average 11.75) internal successors, (188), 19 states have internal predecessors, (188), 7 states have call successors, (47), 3 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 7 states have call successors, (47) [2024-10-13 06:03:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:32,020 INFO L93 Difference]: Finished difference Result 1173 states and 1339 transitions. [2024-10-13 06:03:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 06:03:32,021 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 11.75) internal successors, (188), 19 states have internal predecessors, (188), 7 states have call successors, (47), 3 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 7 states have call successors, (47) Word has length 195 [2024-10-13 06:03:32,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:32,025 INFO L225 Difference]: With dead ends: 1173 [2024-10-13 06:03:32,026 INFO L226 Difference]: Without dead ends: 601 [2024-10-13 06:03:32,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 420 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 06:03:32,027 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 332 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:32,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 530 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 06:03:32,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-10-13 06:03:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 433. [2024-10-13 06:03:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 358 states have (on average 1.0977653631284916) internal successors, (393), 360 states have internal predecessors, (393), 50 states have call successors, (50), 24 states have call predecessors, (50), 24 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 06:03:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 493 transitions. [2024-10-13 06:03:32,106 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 493 transitions. Word has length 195 [2024-10-13 06:03:32,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:32,106 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 493 transitions. [2024-10-13 06:03:32,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 11.75) internal successors, (188), 19 states have internal predecessors, (188), 7 states have call successors, (47), 3 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 7 states have call successors, (47) [2024-10-13 06:03:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 493 transitions. [2024-10-13 06:03:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 06:03:32,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:32,108 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:32,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 06:03:32,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-13 06:03:32,313 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:32,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:32,314 INFO L85 PathProgramCache]: Analyzing trace with hash 684070993, now seen corresponding path program 1 times [2024-10-13 06:03:32,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:32,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513304476] [2024-10-13 06:03:32,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:32,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:32,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:32,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513304476] [2024-10-13 06:03:32,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513304476] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:32,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124337724] [2024-10-13 06:03:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:32,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:32,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:32,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:32,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 06:03:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:33,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-13 06:03:33,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:33,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 55 [2024-10-13 06:03:33,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:33,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 40 [2024-10-13 06:03:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:33,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:03:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:34,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124337724] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:34,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-13 06:03:34,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 11] total 19 [2024-10-13 06:03:34,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967900134] [2024-10-13 06:03:34,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:34,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 06:03:34,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:34,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 06:03:34,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-10-13 06:03:34,403 INFO L87 Difference]: Start difference. First operand 433 states and 493 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:34,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:34,927 INFO L93 Difference]: Finished difference Result 1177 states and 1333 transitions. [2024-10-13 06:03:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:03:34,928 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-13 06:03:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:34,932 INFO L225 Difference]: With dead ends: 1177 [2024-10-13 06:03:34,932 INFO L226 Difference]: Without dead ends: 779 [2024-10-13 06:03:34,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 428 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2024-10-13 06:03:34,934 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 89 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:34,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1374 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-10-13 06:03:35,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 775. [2024-10-13 06:03:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 648 states have (on average 1.0972222222222223) internal successors, (711), 652 states have internal predecessors, (711), 82 states have call successors, (82), 44 states have call predecessors, (82), 44 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:03:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 875 transitions. [2024-10-13 06:03:35,082 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 875 transitions. Word has length 195 [2024-10-13 06:03:35,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:35,082 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 875 transitions. [2024-10-13 06:03:35,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 875 transitions. [2024-10-13 06:03:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 06:03:35,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:35,084 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:35,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 06:03:35,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-13 06:03:35,285 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -125275633, now seen corresponding path program 1 times [2024-10-13 06:03:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993311668] [2024-10-13 06:03:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:35,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:35,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993311668] [2024-10-13 06:03:35,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993311668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:35,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:35,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:03:35,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665466651] [2024-10-13 06:03:35,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:35,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:03:35,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:35,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:03:35,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:03:35,601 INFO L87 Difference]: Start difference. First operand 775 states and 875 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:35,895 INFO L93 Difference]: Finished difference Result 1545 states and 1739 transitions. [2024-10-13 06:03:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:03:35,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2024-10-13 06:03:35,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:35,901 INFO L225 Difference]: With dead ends: 1545 [2024-10-13 06:03:35,901 INFO L226 Difference]: Without dead ends: 805 [2024-10-13 06:03:35,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:35,903 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 81 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:35,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 635 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:03:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-10-13 06:03:36,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 767. [2024-10-13 06:03:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 640 states have (on average 1.0921875) internal successors, (699), 644 states have internal predecessors, (699), 82 states have call successors, (82), 44 states have call predecessors, (82), 44 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 06:03:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 863 transitions. [2024-10-13 06:03:36,058 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 863 transitions. Word has length 195 [2024-10-13 06:03:36,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:36,058 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 863 transitions. [2024-10-13 06:03:36,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 863 transitions. [2024-10-13 06:03:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 06:03:36,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:36,061 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:36,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-13 06:03:36,061 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:36,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:36,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1107717715, now seen corresponding path program 1 times [2024-10-13 06:03:36,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:36,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515884405] [2024-10-13 06:03:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:36,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:36,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515884405] [2024-10-13 06:03:36,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515884405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:36,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:36,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:03:36,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133247407] [2024-10-13 06:03:36,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:36,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:03:36,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:36,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:03:36,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:03:36,398 INFO L87 Difference]: Start difference. First operand 767 states and 863 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:36,750 INFO L93 Difference]: Finished difference Result 1511 states and 1695 transitions. [2024-10-13 06:03:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:03:36,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2024-10-13 06:03:36,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:36,755 INFO L225 Difference]: With dead ends: 1511 [2024-10-13 06:03:36,755 INFO L226 Difference]: Without dead ends: 779 [2024-10-13 06:03:36,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 06:03:36,756 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 82 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:36,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 1022 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:03:36,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-10-13 06:03:36,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 617. [2024-10-13 06:03:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 540 states have (on average 1.0944444444444446) internal successors, (591), 542 states have internal predecessors, (591), 50 states have call successors, (50), 26 states have call predecessors, (50), 26 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 06:03:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 691 transitions. [2024-10-13 06:03:36,854 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 691 transitions. Word has length 195 [2024-10-13 06:03:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:36,854 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 691 transitions. [2024-10-13 06:03:36,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 691 transitions. [2024-10-13 06:03:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-13 06:03:36,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:36,856 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:36,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-13 06:03:36,857 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:36,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash 298371089, now seen corresponding path program 1 times [2024-10-13 06:03:36,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:36,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342978804] [2024-10-13 06:03:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 21 proven. 45 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:37,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:37,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342978804] [2024-10-13 06:03:37,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342978804] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:37,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948160312] [2024-10-13 06:03:37,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:37,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:37,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:37,497 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:37,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 06:03:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:37,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-13 06:03:37,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:37,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-13 06:03:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:38,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 06:03:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:38,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948160312] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:38,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-13 06:03:38,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 11] total 19 [2024-10-13 06:03:38,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706080698] [2024-10-13 06:03:38,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:38,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 06:03:38,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:38,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 06:03:38,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-10-13 06:03:38,222 INFO L87 Difference]: Start difference. First operand 617 states and 691 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:38,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:38,665 INFO L93 Difference]: Finished difference Result 1437 states and 1611 transitions. [2024-10-13 06:03:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 06:03:38,665 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 195 [2024-10-13 06:03:38,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:38,670 INFO L225 Difference]: With dead ends: 1437 [2024-10-13 06:03:38,670 INFO L226 Difference]: Without dead ends: 855 [2024-10-13 06:03:38,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2024-10-13 06:03:38,672 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 121 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 2090 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:38,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 2090 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-13 06:03:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 609. [2024-10-13 06:03:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 532 states have (on average 1.0921052631578947) internal successors, (581), 534 states have internal predecessors, (581), 50 states have call successors, (50), 26 states have call predecessors, (50), 26 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 06:03:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 681 transitions. [2024-10-13 06:03:38,786 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 681 transitions. Word has length 195 [2024-10-13 06:03:38,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:38,786 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 681 transitions. [2024-10-13 06:03:38,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 681 transitions. [2024-10-13 06:03:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-13 06:03:38,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:38,788 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:38,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 06:03:38,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:38,990 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:38,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash -265300929, now seen corresponding path program 1 times [2024-10-13 06:03:38,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:38,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639276383] [2024-10-13 06:03:38,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:38,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:40,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:40,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639276383] [2024-10-13 06:03:40,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639276383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:40,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:40,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 06:03:40,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029398025] [2024-10-13 06:03:40,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:40,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 06:03:40,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:40,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 06:03:40,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 06:03:40,537 INFO L87 Difference]: Start difference. First operand 609 states and 681 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:40,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:40,864 INFO L93 Difference]: Finished difference Result 851 states and 943 transitions. [2024-10-13 06:03:40,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:03:40,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2024-10-13 06:03:40,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:40,870 INFO L225 Difference]: With dead ends: 851 [2024-10-13 06:03:40,870 INFO L226 Difference]: Without dead ends: 849 [2024-10-13 06:03:40,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:03:40,871 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 27 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:40,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 813 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 06:03:40,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-10-13 06:03:40,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 817. [2024-10-13 06:03:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 740 states have (on average 1.085135135135135) internal successors, (803), 742 states have internal predecessors, (803), 50 states have call successors, (50), 26 states have call predecessors, (50), 26 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 06:03:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 903 transitions. [2024-10-13 06:03:41,000 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 903 transitions. Word has length 197 [2024-10-13 06:03:41,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:41,001 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 903 transitions. [2024-10-13 06:03:41,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 06:03:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 903 transitions. [2024-10-13 06:03:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 06:03:41,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:41,003 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:41,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-13 06:03:41,003 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:41,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:41,004 INFO L85 PathProgramCache]: Analyzing trace with hash 48909311, now seen corresponding path program 1 times [2024-10-13 06:03:41,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:41,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091075571] [2024-10-13 06:03:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:41,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:41,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:41,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:41,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 06:03:42,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:42,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091075571] [2024-10-13 06:03:42,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091075571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:03:42,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:03:42,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 06:03:42,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139748168] [2024-10-13 06:03:42,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:03:42,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 06:03:42,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:03:42,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 06:03:42,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 06:03:42,023 INFO L87 Difference]: Start difference. First operand 817 states and 903 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:42,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:03:42,694 INFO L93 Difference]: Finished difference Result 1235 states and 1369 transitions. [2024-10-13 06:03:42,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:03:42,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 198 [2024-10-13 06:03:42,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:03:42,700 INFO L225 Difference]: With dead ends: 1235 [2024-10-13 06:03:42,700 INFO L226 Difference]: Without dead ends: 1233 [2024-10-13 06:03:42,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-13 06:03:42,701 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 107 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 06:03:42,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1214 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 06:03:42,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-10-13 06:03:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 765. [2024-10-13 06:03:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 688 states have (on average 1.0857558139534884) internal successors, (747), 690 states have internal predecessors, (747), 50 states have call successors, (50), 26 states have call predecessors, (50), 26 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 06:03:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 847 transitions. [2024-10-13 06:03:42,917 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 847 transitions. Word has length 198 [2024-10-13 06:03:42,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:03:42,921 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 847 transitions. [2024-10-13 06:03:42,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 06:03:42,921 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 847 transitions. [2024-10-13 06:03:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 06:03:42,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:03:42,926 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:03:42,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-13 06:03:42,927 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:03:42,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:03:42,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1249063590, now seen corresponding path program 1 times [2024-10-13 06:03:42,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:03:42,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001652558] [2024-10-13 06:03:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:42,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:03:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:44,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:03:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:44,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:03:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:03:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:03:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:03:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:03:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:03:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:03:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:03:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:03:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:03:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:03:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:03:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:03:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 06:03:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 06:03:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 06:03:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 06:03:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 06:03:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 06:03:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 06:03:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 06:03:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 06:03:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 06:03:45,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:03:45,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001652558] [2024-10-13 06:03:45,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001652558] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:03:45,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063611838] [2024-10-13 06:03:45,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:03:45,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:03:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:03:45,083 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:03:45,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 06:03:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:03:45,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-13 06:03:45,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:03:45,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:03:45,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:03:45,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-10-13 06:03:45,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2024-10-13 06:03:45,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 62 [2024-10-13 06:03:45,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:45,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2024-10-13 06:03:45,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 62 [2024-10-13 06:03:45,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:45,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 90 [2024-10-13 06:03:45,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 06:03:45,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 50