./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-80.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 f4ab57f7e2128c7453b65f19e94282d169dfca427d7d7188c760e7a4e8739cbc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:02:11,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:02:11,896 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 10:02:11,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:02:11,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:02:11,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:02:11,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:02:11,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:02:11,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:02:11,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:02:11,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:02:11,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:02:11,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:02:11,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:02:11,952 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:02:11,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:02:11,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:02:11,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 10:02:11,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:02:11,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 10:02:11,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:02:11,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:02:11,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:02:11,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:02:11,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:02:11,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 10:02:11,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:02:11,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:02:11,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:02:11,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:02:11,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:02:11,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:02:11,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:02:11,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:02:11,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:02:11,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:02:11,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:02:11,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:02:11,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:02:11,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:02:11,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:02:11,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:02:11,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4ab57f7e2128c7453b65f19e94282d169dfca427d7d7188c760e7a4e8739cbc [2024-11-10 10:02:12,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:02:12,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:02:12,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:02:12,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:02:12,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:02:12,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-80.i [2024-11-10 10:02:13,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:02:13,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:02:13,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-80.i [2024-11-10 10:02:13,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/482297ff4/3cd1a3abbde24d129f7b8f644ccf8c33/FLAG48280fca2 [2024-11-10 10:02:14,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/482297ff4/3cd1a3abbde24d129f7b8f644ccf8c33 [2024-11-10 10:02:14,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:02:14,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:02:14,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:02:14,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:02:14,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:02:14,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55163c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14, skipping insertion in model container [2024-11-10 10:02:14,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:02:14,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-80.i[917,930] [2024-11-10 10:02:14,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:02:14,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:02:14,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-80.i[917,930] [2024-11-10 10:02:14,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:02:14,754 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:02:14,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14 WrapperNode [2024-11-10 10:02:14,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:02:14,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:02:14,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:02:14,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:02:14,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,876 INFO L138 Inliner]: procedures = 30, calls = 228, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 780 [2024-11-10 10:02:14,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:02:14,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:02:14,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:02:14,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:02:14,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,909 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-10 10:02:14,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,938 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:02:14,953 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:02:14,953 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:02:14,953 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:02:14,954 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (1/1) ... [2024-11-10 10:02:14,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:02:14,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:02:15,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:02:15,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:02:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:02:15,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-10 10:02:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-10 10:02:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 10:02:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-10 10:02:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-10 10:02:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 10:02:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:02:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:02:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 10:02:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:02:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:02:15,251 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:02:15,254 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:02:15,960 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: havoc property_#t~mem140#1;havoc property_#t~mem141#1;havoc property_#t~mem142#1;havoc property_#t~ite146#1;havoc property_#t~mem143#1;havoc property_#t~mem144#1;havoc property_#t~mem145#1;havoc property_#t~mem147#1;havoc property_#t~mem148#1;havoc property_#t~mem149#1;havoc property_#t~mem150#1;havoc property_#t~ite155#1;havoc property_#t~mem151#1;havoc property_#t~mem152#1;havoc property_#t~mem153#1;havoc property_#t~mem154#1;havoc property_#t~ite164#1;havoc property_#t~mem163#1;havoc property_#t~mem156#1;havoc property_#t~mem157#1;havoc property_#t~mem158#1;havoc property_#t~ite162#1;havoc property_#t~mem159#1;havoc property_#t~mem160#1;havoc property_#t~mem161#1;havoc property_#t~mem167#1;havoc property_#t~mem165#1;havoc property_#t~mem166#1;havoc property_#t~short168#1;havoc property_#t~ite176#1;havoc property_#t~mem173#1;havoc property_#t~mem169#1;havoc property_#t~ite172#1;havoc property_#t~mem170#1;havoc property_#t~mem171#1;havoc property_#t~mem175#1;havoc property_#t~mem174#1;havoc property_#t~short177#1;havoc property_#t~mem180#1;havoc property_#t~mem178#1;havoc property_#t~mem179#1;havoc property_#t~ite218#1;havoc property_#t~mem214#1;havoc property_#t~mem181#1;havoc property_#t~mem182#1;havoc property_#t~ite185#1;havoc property_#t~mem183#1;havoc property_#t~mem184#1;havoc property_#t~mem186#1;havoc property_#t~ite193#1;havoc property_#t~mem187#1;havoc property_#t~mem188#1;havoc property_#t~ite191#1;havoc property_#t~mem189#1;havoc property_#t~mem190#1;havoc property_#t~mem192#1;havoc property_#t~mem194#1;havoc property_#t~ite196#1;havoc property_#t~mem195#1;havoc property_#t~ite213#1;havoc property_#t~mem197#1;havoc property_#t~mem198#1;havoc property_#t~ite201#1;havoc property_#t~mem199#1;havoc property_#t~mem200#1;havoc property_#t~mem202#1;havoc property_#t~ite209#1;havoc property_#t~mem203#1;havoc property_#t~mem204#1;havoc property_#t~ite207#1;havoc property_#t~mem205#1;havoc property_#t~mem206#1;havoc property_#t~mem208#1;havoc property_#t~mem210#1;havoc property_#t~ite212#1;havoc property_#t~mem211#1;havoc property_#t~mem217#1;havoc property_#t~mem215#1;havoc property_#t~mem216#1;havoc property_#t~short219#1;havoc property_#t~mem221#1;havoc property_#t~mem220#1;havoc property_#t~short222#1;havoc property_#t~mem224#1;havoc property_#t~mem223#1;havoc property_#t~short225#1;havoc property_#t~mem227#1;havoc property_#t~mem226#1;havoc property_#t~short228#1; [2024-11-10 10:02:16,025 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-11-10 10:02:16,025 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:02:16,039 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:02:16,040 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:02:16,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:02:16 BoogieIcfgContainer [2024-11-10 10:02:16,040 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:02:16,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:02:16,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:02:16,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:02:16,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:02:14" (1/3) ... [2024-11-10 10:02:16,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f15eaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:02:16, skipping insertion in model container [2024-11-10 10:02:16,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:14" (2/3) ... [2024-11-10 10:02:16,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f15eaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:02:16, skipping insertion in model container [2024-11-10 10:02:16,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:02:16" (3/3) ... [2024-11-10 10:02:16,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-80.i [2024-11-10 10:02:16,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:02:16,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:02:16,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:02:16,132 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;@9ba5927, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:02:16,133 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:02:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 137 states have (on average 1.4452554744525548) internal successors, (198), 138 states have internal predecessors, (198), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 10:02:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 10:02:16,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:16,156 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:16,158 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:16,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:16,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1275628226, now seen corresponding path program 1 times [2024-11-10 10:02:16,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:16,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129013537] [2024-11-10 10:02:16,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129013537] [2024-11-10 10:02:16,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129013537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:16,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:16,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 10:02:16,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472874] [2024-11-10 10:02:16,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:16,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 10:02:16,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:16,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 10:02:16,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:02:16,854 INFO L87 Difference]: Start difference. First operand has 157 states, 137 states have (on average 1.4452554744525548) internal successors, (198), 138 states have internal predecessors, (198), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 10:02:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:16,901 INFO L93 Difference]: Finished difference Result 306 states and 474 transitions. [2024-11-10 10:02:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 10:02:16,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-10 10:02:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:16,916 INFO L225 Difference]: With dead ends: 306 [2024-11-10 10:02:16,917 INFO L226 Difference]: Without dead ends: 152 [2024-11-10 10:02:16,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:02:16,928 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:16,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:02:16,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-10 10:02:16,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-10 10:02:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 133 states have (on average 1.4285714285714286) internal successors, (190), 133 states have internal predecessors, (190), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 10:02:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 224 transitions. [2024-11-10 10:02:16,974 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 224 transitions. Word has length 155 [2024-11-10 10:02:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:16,975 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 224 transitions. [2024-11-10 10:02:16,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 10:02:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 224 transitions. [2024-11-10 10:02:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 10:02:16,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:16,980 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:16,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:02:16,981 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:16,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1825046867, now seen corresponding path program 1 times [2024-11-10 10:02:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175634077] [2024-11-10 10:02:16,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:16,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:17,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:17,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175634077] [2024-11-10 10:02:17,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175634077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:17,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:17,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:02:17,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552099070] [2024-11-10 10:02:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:17,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:02:17,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:17,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:02:17,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:02:17,606 INFO L87 Difference]: Start difference. First operand 152 states and 224 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:17,676 INFO L93 Difference]: Finished difference Result 303 states and 448 transitions. [2024-11-10 10:02:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 10:02:17,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-11-10 10:02:17,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:17,681 INFO L225 Difference]: With dead ends: 303 [2024-11-10 10:02:17,681 INFO L226 Difference]: Without dead ends: 154 [2024-11-10 10:02:17,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:02:17,683 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 0 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:17,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 655 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:02:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-10 10:02:17,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-10 10:02:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.4222222222222223) internal successors, (192), 135 states have internal predecessors, (192), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 10:02:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 226 transitions. [2024-11-10 10:02:17,707 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 226 transitions. Word has length 155 [2024-11-10 10:02:17,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:17,709 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 226 transitions. [2024-11-10 10:02:17,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 226 transitions. [2024-11-10 10:02:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:17,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:17,713 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:17,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 10:02:17,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:17,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:17,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1945228143, now seen corresponding path program 1 times [2024-11-10 10:02:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:17,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696147648] [2024-11-10 10:02:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:17,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:18,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:18,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696147648] [2024-11-10 10:02:18,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696147648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:18,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:18,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:02:18,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703852362] [2024-11-10 10:02:18,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:18,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:02:18,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:18,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:02:18,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:02:18,077 INFO L87 Difference]: Start difference. First operand 154 states and 226 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:18,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:18,124 INFO L93 Difference]: Finished difference Result 308 states and 453 transitions. [2024-11-10 10:02:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 10:02:18,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:18,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:18,127 INFO L225 Difference]: With dead ends: 308 [2024-11-10 10:02:18,127 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 10:02:18,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:02:18,129 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:18,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 652 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:02:18,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 10:02:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2024-11-10 10:02:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 137 states have (on average 1.416058394160584) internal successors, (194), 137 states have internal predecessors, (194), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 10:02:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 228 transitions. [2024-11-10 10:02:18,145 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 228 transitions. Word has length 157 [2024-11-10 10:02:18,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:18,146 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 228 transitions. [2024-11-10 10:02:18,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 228 transitions. [2024-11-10 10:02:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:18,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:18,149 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:18,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 10:02:18,150 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:18,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1748714638, now seen corresponding path program 1 times [2024-11-10 10:02:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:18,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082039710] [2024-11-10 10:02:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:18,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:18,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082039710] [2024-11-10 10:02:18,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082039710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:18,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:18,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:02:18,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73371818] [2024-11-10 10:02:18,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:18,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:02:18,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:18,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:02:18,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:02:18,401 INFO L87 Difference]: Start difference. First operand 156 states and 228 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:18,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:18,433 INFO L93 Difference]: Finished difference Result 312 states and 457 transitions. [2024-11-10 10:02:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 10:02:18,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:18,438 INFO L225 Difference]: With dead ends: 312 [2024-11-10 10:02:18,438 INFO L226 Difference]: Without dead ends: 159 [2024-11-10 10:02:18,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:02:18,442 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:18,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 653 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:02:18,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-10 10:02:18,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2024-11-10 10:02:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.410071942446043) internal successors, (196), 139 states have internal predecessors, (196), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 10:02:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 230 transitions. [2024-11-10 10:02:18,456 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 230 transitions. Word has length 157 [2024-11-10 10:02:18,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:18,457 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 230 transitions. [2024-11-10 10:02:18,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2024-11-10 10:02:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:18,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:18,462 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:18,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 10:02:18,462 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:18,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:18,463 INFO L85 PathProgramCache]: Analyzing trace with hash -803442323, now seen corresponding path program 1 times [2024-11-10 10:02:18,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:18,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799810403] [2024-11-10 10:02:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:18,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:19,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:19,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799810403] [2024-11-10 10:02:19,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799810403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:19,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:19,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:02:19,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684569605] [2024-11-10 10:02:19,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:19,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:02:19,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:19,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:02:19,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:02:19,385 INFO L87 Difference]: Start difference. First operand 158 states and 230 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:19,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:19,611 INFO L93 Difference]: Finished difference Result 317 states and 464 transitions. [2024-11-10 10:02:19,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:02:19,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:19,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:19,615 INFO L225 Difference]: With dead ends: 317 [2024-11-10 10:02:19,616 INFO L226 Difference]: Without dead ends: 162 [2024-11-10 10:02:19,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:02:19,617 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 2 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:19,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 822 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:02:19,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-10 10:02:19,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2024-11-10 10:02:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 142 states have (on average 1.408450704225352) internal successors, (200), 142 states have internal predecessors, (200), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 10:02:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 234 transitions. [2024-11-10 10:02:19,636 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 234 transitions. Word has length 157 [2024-11-10 10:02:19,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:19,636 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 234 transitions. [2024-11-10 10:02:19,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 234 transitions. [2024-11-10 10:02:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:19,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:19,641 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:19,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 10:02:19,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:19,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:19,641 INFO L85 PathProgramCache]: Analyzing trace with hash -870449076, now seen corresponding path program 1 times [2024-11-10 10:02:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052130288] [2024-11-10 10:02:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:25,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:25,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052130288] [2024-11-10 10:02:25,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052130288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:25,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:25,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 10:02:25,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592577940] [2024-11-10 10:02:25,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:25,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 10:02:25,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:25,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 10:02:25,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-10 10:02:25,984 INFO L87 Difference]: Start difference. First operand 161 states and 234 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-10 10:02:30,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:30,574 INFO L93 Difference]: Finished difference Result 543 states and 778 transitions. [2024-11-10 10:02:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 10:02:30,576 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 157 [2024-11-10 10:02:30,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:30,578 INFO L225 Difference]: With dead ends: 543 [2024-11-10 10:02:30,581 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 10:02:30,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2024-11-10 10:02:30,583 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1313 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:30,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 1413 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-10 10:02:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 10:02:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 213. [2024-11-10 10:02:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 184 states have (on average 1.391304347826087) internal successors, (256), 185 states have internal predecessors, (256), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 10:02:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 308 transitions. [2024-11-10 10:02:30,620 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 308 transitions. Word has length 157 [2024-11-10 10:02:30,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:30,620 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 308 transitions. [2024-11-10 10:02:30,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-10 10:02:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 308 transitions. [2024-11-10 10:02:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:30,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:30,622 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:30,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 10:02:30,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:30,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:30,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1714920947, now seen corresponding path program 1 times [2024-11-10 10:02:30,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:30,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880961855] [2024-11-10 10:02:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:30,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:32,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:32,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880961855] [2024-11-10 10:02:32,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880961855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:32,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:32,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 10:02:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109180682] [2024-11-10 10:02:32,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:32,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 10:02:32,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:32,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 10:02:32,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 10:02:32,504 INFO L87 Difference]: Start difference. First operand 213 states and 308 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:33,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:33,284 INFO L93 Difference]: Finished difference Result 465 states and 672 transitions. [2024-11-10 10:02:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 10:02:33,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:33,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:33,289 INFO L225 Difference]: With dead ends: 465 [2024-11-10 10:02:33,289 INFO L226 Difference]: Without dead ends: 275 [2024-11-10 10:02:33,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:02:33,291 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 80 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:33,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1259 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 10:02:33,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-10 10:02:33,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 219. [2024-11-10 10:02:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 190 states have (on average 1.394736842105263) internal successors, (265), 191 states have internal predecessors, (265), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 10:02:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 317 transitions. [2024-11-10 10:02:33,314 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 317 transitions. Word has length 157 [2024-11-10 10:02:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:33,314 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 317 transitions. [2024-11-10 10:02:33,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 317 transitions. [2024-11-10 10:02:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:33,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:33,318 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:33,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 10:02:33,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:33,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash -659098163, now seen corresponding path program 1 times [2024-11-10 10:02:33,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997272875] [2024-11-10 10:02:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:33,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:33,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997272875] [2024-11-10 10:02:33,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997272875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:33,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:33,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:02:33,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284151710] [2024-11-10 10:02:33,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:33,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:02:33,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:33,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:02:33,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:02:33,823 INFO L87 Difference]: Start difference. First operand 219 states and 317 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:34,210 INFO L93 Difference]: Finished difference Result 470 states and 678 transitions. [2024-11-10 10:02:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:02:34,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:34,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:34,213 INFO L225 Difference]: With dead ends: 470 [2024-11-10 10:02:34,213 INFO L226 Difference]: Without dead ends: 274 [2024-11-10 10:02:34,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:02:34,214 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 75 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:34,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 889 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 10:02:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-10 10:02:34,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 219. [2024-11-10 10:02:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 190 states have (on average 1.3842105263157896) internal successors, (263), 191 states have internal predecessors, (263), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 10:02:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 315 transitions. [2024-11-10 10:02:34,232 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 315 transitions. Word has length 157 [2024-11-10 10:02:34,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:34,233 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 315 transitions. [2024-11-10 10:02:34,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 315 transitions. [2024-11-10 10:02:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:34,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:34,235 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:34,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 10:02:34,235 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:34,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:34,236 INFO L85 PathProgramCache]: Analyzing trace with hash -772422516, now seen corresponding path program 1 times [2024-11-10 10:02:34,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:34,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176488593] [2024-11-10 10:02:34,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:34,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:35,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:35,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176488593] [2024-11-10 10:02:35,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176488593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:35,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:35,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:02:35,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873077412] [2024-11-10 10:02:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:35,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:02:35,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:35,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:02:35,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:02:35,681 INFO L87 Difference]: Start difference. First operand 219 states and 315 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:36,678 INFO L93 Difference]: Finished difference Result 529 states and 755 transitions. [2024-11-10 10:02:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 10:02:36,678 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:36,681 INFO L225 Difference]: With dead ends: 529 [2024-11-10 10:02:36,681 INFO L226 Difference]: Without dead ends: 333 [2024-11-10 10:02:36,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:02:36,683 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 824 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:36,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 930 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 10:02:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-10 10:02:36,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 224. [2024-11-10 10:02:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 195 states have (on average 1.3846153846153846) internal successors, (270), 196 states have internal predecessors, (270), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 10:02:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 322 transitions. [2024-11-10 10:02:36,709 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 322 transitions. Word has length 157 [2024-11-10 10:02:36,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:36,709 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 322 transitions. [2024-11-10 10:02:36,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 322 transitions. [2024-11-10 10:02:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:36,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:36,711 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:36,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 10:02:36,712 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:36,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash -561071603, now seen corresponding path program 1 times [2024-11-10 10:02:36,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:36,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291776861] [2024-11-10 10:02:36,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:36,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:37,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:37,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291776861] [2024-11-10 10:02:37,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291776861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:37,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:37,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 10:02:37,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516579769] [2024-11-10 10:02:37,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:37,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 10:02:37,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:37,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 10:02:37,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 10:02:37,362 INFO L87 Difference]: Start difference. First operand 224 states and 322 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:38,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:38,109 INFO L93 Difference]: Finished difference Result 490 states and 704 transitions. [2024-11-10 10:02:38,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:02:38,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:38,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:38,112 INFO L225 Difference]: With dead ends: 490 [2024-11-10 10:02:38,113 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 10:02:38,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:02:38,114 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 81 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:38,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1341 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 10:02:38,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 10:02:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 232. [2024-11-10 10:02:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 203 states have (on average 1.3891625615763548) internal successors, (282), 204 states have internal predecessors, (282), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 10:02:38,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 334 transitions. [2024-11-10 10:02:38,134 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 334 transitions. Word has length 157 [2024-11-10 10:02:38,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:38,134 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 334 transitions. [2024-11-10 10:02:38,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 334 transitions. [2024-11-10 10:02:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:38,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:38,136 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:38,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 10:02:38,136 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:38,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:38,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1405543474, now seen corresponding path program 1 times [2024-11-10 10:02:38,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:38,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053203193] [2024-11-10 10:02:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:40,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:40,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053203193] [2024-11-10 10:02:40,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053203193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:40,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:40,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 10:02:40,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118388873] [2024-11-10 10:02:40,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:40,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 10:02:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:40,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 10:02:40,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:02:40,618 INFO L87 Difference]: Start difference. First operand 232 states and 334 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:42,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:42,138 INFO L93 Difference]: Finished difference Result 603 states and 857 transitions. [2024-11-10 10:02:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 10:02:42,139 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:42,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:42,144 INFO L225 Difference]: With dead ends: 603 [2024-11-10 10:02:42,144 INFO L226 Difference]: Without dead ends: 394 [2024-11-10 10:02:42,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-10 10:02:42,145 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 658 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:42,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1530 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 10:02:42,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-10 10:02:42,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 234. [2024-11-10 10:02:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 205 states have (on average 1.3853658536585365) internal successors, (284), 206 states have internal predecessors, (284), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 10:02:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 336 transitions. [2024-11-10 10:02:42,165 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 336 transitions. Word has length 157 [2024-11-10 10:02:42,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:42,165 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 336 transitions. [2024-11-10 10:02:42,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 336 transitions. [2024-11-10 10:02:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:42,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:42,167 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:42,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 10:02:42,168 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:42,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:42,168 INFO L85 PathProgramCache]: Analyzing trace with hash -628078356, now seen corresponding path program 1 times [2024-11-10 10:02:42,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:42,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922978199] [2024-11-10 10:02:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:47,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:47,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922978199] [2024-11-10 10:02:47,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922978199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:47,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:47,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 10:02:47,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688998577] [2024-11-10 10:02:47,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:47,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 10:02:47,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:47,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 10:02:47,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:02:47,884 INFO L87 Difference]: Start difference. First operand 234 states and 336 transitions. Second operand has 19 states, 17 states have (on average 4.411764705882353) internal successors, (75), 19 states have internal predecessors, (75), 6 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-10 10:02:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:52,582 INFO L93 Difference]: Finished difference Result 614 states and 866 transitions. [2024-11-10 10:02:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 10:02:52,583 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.411764705882353) internal successors, (75), 19 states have internal predecessors, (75), 6 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 6 states have call successors, (17) Word has length 157 [2024-11-10 10:02:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:52,585 INFO L225 Difference]: With dead ends: 614 [2024-11-10 10:02:52,585 INFO L226 Difference]: Without dead ends: 403 [2024-11-10 10:02:52,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=147, Invalid=783, Unknown=0, NotChecked=0, Total=930 [2024-11-10 10:02:52,587 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 932 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 1999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:52,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 1885 Invalid, 1999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-10 10:02:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-10 10:02:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 230. [2024-11-10 10:02:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 204 states have (on average 1.3872549019607843) internal successors, (283), 205 states have internal predecessors, (283), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:02:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 327 transitions. [2024-11-10 10:02:52,608 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 327 transitions. Word has length 157 [2024-11-10 10:02:52,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:52,608 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 327 transitions. [2024-11-10 10:02:52,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.411764705882353) internal successors, (75), 19 states have internal predecessors, (75), 6 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-10 10:02:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 327 transitions. [2024-11-10 10:02:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 10:02:52,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:52,610 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:52,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 10:02:52,611 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:52,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1472550227, now seen corresponding path program 1 times [2024-11-10 10:02:52,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:52,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034683329] [2024-11-10 10:02:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:52,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:53,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:53,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034683329] [2024-11-10 10:02:53,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034683329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:53,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:53,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 10:02:53,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400773650] [2024-11-10 10:02:53,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:53,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 10:02:53,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:53,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 10:02:53,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 10:02:53,618 INFO L87 Difference]: Start difference. First operand 230 states and 327 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:54,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:54,361 INFO L93 Difference]: Finished difference Result 509 states and 724 transitions. [2024-11-10 10:02:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 10:02:54,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-11-10 10:02:54,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:54,364 INFO L225 Difference]: With dead ends: 509 [2024-11-10 10:02:54,364 INFO L226 Difference]: Without dead ends: 294 [2024-11-10 10:02:54,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:02:54,367 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 81 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:54,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1572 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 10:02:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-10 10:02:54,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 234. [2024-11-10 10:02:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 208 states have (on average 1.3894230769230769) internal successors, (289), 209 states have internal predecessors, (289), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:02:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 333 transitions. [2024-11-10 10:02:54,391 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 333 transitions. Word has length 157 [2024-11-10 10:02:54,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:54,391 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 333 transitions. [2024-11-10 10:02:54,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:02:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 333 transitions. [2024-11-10 10:02:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 10:02:54,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:54,393 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:54,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 10:02:54,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:54,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:54,393 INFO L85 PathProgramCache]: Analyzing trace with hash -587917671, now seen corresponding path program 1 times [2024-11-10 10:02:54,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:54,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175747790] [2024-11-10 10:02:54,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:54,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:55,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:55,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175747790] [2024-11-10 10:02:55,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175747790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:55,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:55,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 10:02:55,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951178802] [2024-11-10 10:02:55,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:55,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 10:02:55,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:55,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 10:02:55,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 10:02:55,159 INFO L87 Difference]: Start difference. First operand 234 states and 333 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 10:02:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:55,662 INFO L93 Difference]: Finished difference Result 508 states and 720 transitions. [2024-11-10 10:02:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 10:02:55,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2024-11-10 10:02:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:55,665 INFO L225 Difference]: With dead ends: 508 [2024-11-10 10:02:55,665 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 10:02:55,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-10 10:02:55,666 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 460 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:55,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 912 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 10:02:55,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 10:02:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 242. [2024-11-10 10:02:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 216 states have (on average 1.3842592592592593) internal successors, (299), 217 states have internal predecessors, (299), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:02:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 343 transitions. [2024-11-10 10:02:55,690 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 343 transitions. Word has length 158 [2024-11-10 10:02:55,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:55,690 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 343 transitions. [2024-11-10 10:02:55,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 10:02:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 343 transitions. [2024-11-10 10:02:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:02:55,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:55,692 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:55,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 10:02:55,692 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:55,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:55,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1115346386, now seen corresponding path program 1 times [2024-11-10 10:02:55,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:55,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684207299] [2024-11-10 10:02:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:55,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:02:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:02:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:02:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:02:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:02:59,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:59,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684207299] [2024-11-10 10:02:59,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684207299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:59,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:59,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 10:02:59,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286522190] [2024-11-10 10:02:59,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:59,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 10:02:59,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 10:02:59,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:02:59,436 INFO L87 Difference]: Start difference. First operand 242 states and 343 transitions. Second operand has 19 states, 17 states have (on average 4.529411764705882) internal successors, (77), 19 states have internal predecessors, (77), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-10 10:03:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:02,043 INFO L93 Difference]: Finished difference Result 574 states and 814 transitions. [2024-11-10 10:03:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 10:03:02,043 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.529411764705882) internal successors, (77), 19 states have internal predecessors, (77), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) Word has length 159 [2024-11-10 10:03:02,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:02,045 INFO L225 Difference]: With dead ends: 574 [2024-11-10 10:03:02,045 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 10:03:02,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2024-11-10 10:03:02,047 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 647 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 1625 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:02,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 2096 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1625 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 10:03:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 10:03:02,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 264. [2024-11-10 10:03:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 238 states have (on average 1.3907563025210083) internal successors, (331), 239 states have internal predecessors, (331), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:03:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 375 transitions. [2024-11-10 10:03:02,073 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 375 transitions. Word has length 159 [2024-11-10 10:03:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:02,074 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 375 transitions. [2024-11-10 10:03:02,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.529411764705882) internal successors, (77), 19 states have internal predecessors, (77), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-10 10:03:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 375 transitions. [2024-11-10 10:03:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:03:02,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:02,077 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:02,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 10:03:02,077 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:02,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1017319826, now seen corresponding path program 1 times [2024-11-10 10:03:02,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:02,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120851992] [2024-11-10 10:03:02,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:03:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:04,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:03:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:04,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:03:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:03:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:03:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120851992] [2024-11-10 10:03:04,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120851992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:04,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:04,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 10:03:04,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284135727] [2024-11-10 10:03:04,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:04,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 10:03:04,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:04,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 10:03:04,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-10 10:03:04,024 INFO L87 Difference]: Start difference. First operand 264 states and 375 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-10 10:03:05,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:05,044 INFO L93 Difference]: Finished difference Result 594 states and 842 transitions. [2024-11-10 10:03:05,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 10:03:05,045 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 159 [2024-11-10 10:03:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:05,048 INFO L225 Difference]: With dead ends: 594 [2024-11-10 10:03:05,048 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 10:03:05,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-10 10:03:05,049 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 650 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:05,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1142 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 10:03:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 10:03:05,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 272. [2024-11-10 10:03:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 246 states have (on average 1.3902439024390243) internal successors, (342), 247 states have internal predecessors, (342), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:03:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 386 transitions. [2024-11-10 10:03:05,076 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 386 transitions. Word has length 159 [2024-11-10 10:03:05,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:05,078 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 386 transitions. [2024-11-10 10:03:05,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-10 10:03:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 386 transitions. [2024-11-10 10:03:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:03:05,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:05,079 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:05,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 10:03:05,080 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:05,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:05,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1650440784, now seen corresponding path program 1 times [2024-11-10 10:03:05,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:05,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531851670] [2024-11-10 10:03:05,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:05,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:03:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:03:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:03:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:03:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:03:06,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:06,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531851670] [2024-11-10 10:03:06,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531851670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:06,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:06,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:03:06,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927408820] [2024-11-10 10:03:06,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:06,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:03:06,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:06,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:03:06,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:03:06,387 INFO L87 Difference]: Start difference. First operand 272 states and 386 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:07,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:07,493 INFO L93 Difference]: Finished difference Result 640 states and 904 transitions. [2024-11-10 10:03:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 10:03:07,494 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-10 10:03:07,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:07,496 INFO L225 Difference]: With dead ends: 640 [2024-11-10 10:03:07,496 INFO L226 Difference]: Without dead ends: 383 [2024-11-10 10:03:07,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:03:07,498 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 584 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:07,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1734 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 10:03:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-10 10:03:07,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 274. [2024-11-10 10:03:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 248 states have (on average 1.3870967741935485) internal successors, (344), 249 states have internal predecessors, (344), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:03:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 388 transitions. [2024-11-10 10:03:07,526 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 388 transitions. Word has length 159 [2024-11-10 10:03:07,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:07,526 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 388 transitions. [2024-11-10 10:03:07,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 388 transitions. [2024-11-10 10:03:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:03:07,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:07,528 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:07,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 10:03:07,528 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:07,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:07,529 INFO L85 PathProgramCache]: Analyzing trace with hash -872975666, now seen corresponding path program 1 times [2024-11-10 10:03:07,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:07,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336696704] [2024-11-10 10:03:07,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:07,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:03:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:03:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:03:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:03:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:03:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336696704] [2024-11-10 10:03:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336696704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:08,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:08,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:03:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655732766] [2024-11-10 10:03:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:08,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:03:08,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:08,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:03:08,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:03:08,789 INFO L87 Difference]: Start difference. First operand 274 states and 388 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:09,903 INFO L93 Difference]: Finished difference Result 637 states and 897 transitions. [2024-11-10 10:03:09,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 10:03:09,904 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-10 10:03:09,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:09,906 INFO L225 Difference]: With dead ends: 637 [2024-11-10 10:03:09,906 INFO L226 Difference]: Without dead ends: 378 [2024-11-10 10:03:09,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:03:09,909 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 422 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:09,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1851 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 10:03:09,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-10 10:03:09,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 276. [2024-11-10 10:03:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 250 states have (on average 1.384) internal successors, (346), 251 states have internal predecessors, (346), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:03:09,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 390 transitions. [2024-11-10 10:03:09,935 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 390 transitions. Word has length 159 [2024-11-10 10:03:09,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:09,935 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 390 transitions. [2024-11-10 10:03:09,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 390 transitions. [2024-11-10 10:03:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:03:09,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:09,937 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:09,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 10:03:09,938 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:09,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:09,938 INFO L85 PathProgramCache]: Analyzing trace with hash -764546449, now seen corresponding path program 1 times [2024-11-10 10:03:09,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:09,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459996503] [2024-11-10 10:03:09,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:09,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:03:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:03:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:03:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:03:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:03:11,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:11,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459996503] [2024-11-10 10:03:11,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459996503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:11,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:11,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 10:03:11,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89488683] [2024-11-10 10:03:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:11,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 10:03:11,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 10:03:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 10:03:11,088 INFO L87 Difference]: Start difference. First operand 276 states and 390 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:11,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:11,756 INFO L93 Difference]: Finished difference Result 596 states and 839 transitions. [2024-11-10 10:03:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:03:11,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-10 10:03:11,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:11,759 INFO L225 Difference]: With dead ends: 596 [2024-11-10 10:03:11,759 INFO L226 Difference]: Without dead ends: 335 [2024-11-10 10:03:11,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 10:03:11,760 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 67 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:11,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1366 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 10:03:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-10 10:03:11,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 276. [2024-11-10 10:03:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 250 states have (on average 1.384) internal successors, (346), 251 states have internal predecessors, (346), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:03:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 390 transitions. [2024-11-10 10:03:11,786 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 390 transitions. Word has length 159 [2024-11-10 10:03:11,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:11,786 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 390 transitions. [2024-11-10 10:03:11,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 390 transitions. [2024-11-10 10:03:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:03:11,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:11,788 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:11,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 10:03:11,789 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:11,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash -666519889, now seen corresponding path program 1 times [2024-11-10 10:03:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:11,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401434360] [2024-11-10 10:03:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:03:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:03:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:03:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:03:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 10:03:12,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:12,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401434360] [2024-11-10 10:03:12,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401434360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:12,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:12,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:03:12,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257833698] [2024-11-10 10:03:12,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:12,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:03:12,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:12,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:03:12,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:03:12,140 INFO L87 Difference]: Start difference. First operand 276 states and 390 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:12,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:12,367 INFO L93 Difference]: Finished difference Result 603 states and 849 transitions. [2024-11-10 10:03:12,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:03:12,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-11-10 10:03:12,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:12,369 INFO L225 Difference]: With dead ends: 603 [2024-11-10 10:03:12,369 INFO L226 Difference]: Without dead ends: 342 [2024-11-10 10:03:12,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:03:12,370 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 77 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:12,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 871 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:03:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-10 10:03:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 276. [2024-11-10 10:03:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 250 states have (on average 1.376) internal successors, (344), 251 states have internal predecessors, (344), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 10:03:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 388 transitions. [2024-11-10 10:03:12,396 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 388 transitions. Word has length 159 [2024-11-10 10:03:12,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:12,396 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 388 transitions. [2024-11-10 10:03:12,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 10:03:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 388 transitions. [2024-11-10 10:03:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 10:03:12,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:12,397 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:12,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 10:03:12,398 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:12,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:12,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1299640847, now seen corresponding path program 1 times [2024-11-10 10:03:12,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:12,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516559337] [2024-11-10 10:03:12,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:12,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat