./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.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-a_file-6.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 fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:17:26,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:17:27,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:17:27,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:17:27,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:17:27,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:17:27,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:17:27,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:17:27,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:17:27,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:17:27,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:17:27,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:17:27,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:17:27,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:17:27,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:17:27,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:17:27,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:17:27,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:17:27,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:17:27,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:17:27,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:17:27,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:17:27,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:17:27,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:17:27,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:17:27,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:17:27,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:17:27,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:17:27,098 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:17:27,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:17:27,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:17:27,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:17:27,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:17:27,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:17:27,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:17:27,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:17:27,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:17:27,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:17:27,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:17:27,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:17:27,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:17:27,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:17:27,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb9f80ac793eeca68c7fd49f4ea0c37ec5912db021eb8e0a4597e07f05d1e26c [2024-11-10 09:17:27,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:17:27,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:17:27,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:17:27,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:17:27,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:17:27,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-10 09:17:28,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:17:29,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:17:29,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2024-11-10 09:17:29,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5fd634c/4b6154e6e5f54b3b9d19e04afa5ef8f2/FLAG4fac993e5 [2024-11-10 09:17:29,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e5fd634c/4b6154e6e5f54b3b9d19e04afa5ef8f2 [2024-11-10 09:17:29,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:17:29,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:17:29,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:17:29,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:17:29,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:17:29,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311d49ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29, skipping insertion in model container [2024-11-10 09:17:29,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:17:29,588 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-10 09:17:29,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:17:29,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:17:29,713 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2024-11-10 09:17:29,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:17:29,794 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:17:29,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29 WrapperNode [2024-11-10 09:17:29,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:17:29,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:17:29,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:17:29,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:17:29,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,870 INFO L138 Inliner]: procedures = 29, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 516 [2024-11-10 09:17:29,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:17:29,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:17:29,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:17:29,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:17:29,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,936 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2024-11-10 09:17:29,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:17:29,988 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:17:29,988 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:17:29,988 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:17:29,992 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (1/1) ... [2024-11-10 09:17:29,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:17:30,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:17:30,080 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 09:17:30,116 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 09:17:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:17:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 09:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 09:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 09:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 09:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 09:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 09:17:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-10 09:17:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-10 09:17:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-10 09:17:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-10 09:17:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-10 09:17:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:17:30,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:17:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:17:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 09:17:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 09:17:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 09:17:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 09:17:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 09:17:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:17:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:17:30,320 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:17:30,321 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:17:30,796 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L105: havoc property_#t~mem94#1;havoc property_#t~mem95#1;havoc property_#t~ite98#1;havoc property_#t~mem96#1;havoc property_#t~mem97#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~ite106#1;havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~ite105#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~mem107#1;havoc property_#t~ite118#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~ite115#1;havoc property_#t~mem114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem117#1;havoc property_#t~mem116#1;havoc property_#t~short119#1;havoc property_#t~ite124#1;havoc property_#t~mem123#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~short122#1;havoc property_#t~short125#1;havoc property_#t~mem126#1;havoc property_#t~mem127#1;havoc property_#t~ite135#1;havoc property_#t~mem134#1;havoc property_#t~mem128#1;havoc property_#t~mem129#1;havoc property_#t~ite132#1;havoc property_#t~mem130#1;havoc property_#t~mem131#1;havoc property_#t~mem133#1;havoc property_#t~short136#1;havoc property_#t~mem142#1;havoc property_#t~mem137#1;havoc property_#t~mem138#1;havoc property_#t~ite141#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~short143#1; [2024-11-10 09:17:30,849 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-10 09:17:30,850 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:17:30,866 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:17:30,868 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:17:30,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:17:30 BoogieIcfgContainer [2024-11-10 09:17:30,869 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:17:30,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:17:30,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:17:30,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:17:30,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:17:29" (1/3) ... [2024-11-10 09:17:30,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292b07c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:17:30, skipping insertion in model container [2024-11-10 09:17:30,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:17:29" (2/3) ... [2024-11-10 09:17:30,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292b07c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:17:30, skipping insertion in model container [2024-11-10 09:17:30,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:17:30" (3/3) ... [2024-11-10 09:17:30,876 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2024-11-10 09:17:30,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:17:30,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:17:30,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:17:30,951 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;@26e4e5d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:17:30,951 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:17:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:17:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:17:30,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:30,972 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:30,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:30,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1169641781, now seen corresponding path program 1 times [2024-11-10 09:17:30,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:30,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688405095] [2024-11-10 09:17:30,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:30,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:31,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:31,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688405095] [2024-11-10 09:17:31,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688405095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:31,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:31,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:17:31,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458605728] [2024-11-10 09:17:31,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:31,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:17:31,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:31,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:17:31,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:17:31,565 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:17:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:31,604 INFO L93 Difference]: Finished difference Result 242 states and 376 transitions. [2024-11-10 09:17:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:17:31,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-11-10 09:17:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:31,614 INFO L225 Difference]: With dead ends: 242 [2024-11-10 09:17:31,614 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 09:17:31,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:17:31,621 INFO L432 NwaCegarLoop]: 174 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, 174 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 09:17:31,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:17:31,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 09:17:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 09:17:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:17:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-10 09:17:31,667 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 160 [2024-11-10 09:17:31,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:31,668 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-10 09:17:31,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:17:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-10 09:17:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:17:31,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:31,673 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:31,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:17:31,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:31,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:31,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1663031460, now seen corresponding path program 1 times [2024-11-10 09:17:31,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:31,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128952534] [2024-11-10 09:17:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:31,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:32,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128952534] [2024-11-10 09:17:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128952534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:32,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:17:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727210931] [2024-11-10 09:17:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:32,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:17:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:32,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:17:32,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:17:32,216 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:32,258 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-10 09:17:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:17:32,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-10 09:17:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:32,262 INFO L225 Difference]: With dead ends: 237 [2024-11-10 09:17:32,262 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 09:17:32,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:17:32,264 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:17:32,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 339 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:17:32,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 09:17:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 09:17:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:17:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-10 09:17:32,279 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 160 [2024-11-10 09:17:32,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:32,285 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-10 09:17:32,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-10 09:17:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:17:32,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:32,290 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:32,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:17:32,291 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:32,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash -2071855685, now seen corresponding path program 1 times [2024-11-10 09:17:32,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:32,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761719872] [2024-11-10 09:17:32,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:32,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,615 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:32,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:32,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761719872] [2024-11-10 09:17:32,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761719872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:32,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:32,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:17:32,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103220407] [2024-11-10 09:17:32,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:32,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:17:32,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:17:32,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:17:32,620 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:32,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:32,665 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-10 09:17:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:17:32,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-10 09:17:32,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:32,668 INFO L225 Difference]: With dead ends: 239 [2024-11-10 09:17:32,668 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 09:17:32,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 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 09:17:32,672 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 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 09:17:32,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:17:32,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 09:17:32,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-10 09:17:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:17:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-10 09:17:32,685 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 160 [2024-11-10 09:17:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:32,686 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-10 09:17:32,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-10 09:17:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:17:32,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:32,689 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:32,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:17:32,689 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:32,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:32,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1527131747, now seen corresponding path program 1 times [2024-11-10 09:17:32,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:32,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050654407] [2024-11-10 09:17:32,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:33,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:33,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050654407] [2024-11-10 09:17:33,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050654407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:33,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:33,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:17:33,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686139960] [2024-11-10 09:17:33,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:33,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:17:33,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:33,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:17:33,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:17:33,069 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:33,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:33,140 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-10 09:17:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:17:33,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-10 09:17:33,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:33,142 INFO L225 Difference]: With dead ends: 241 [2024-11-10 09:17:33,143 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 09:17:33,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 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 09:17:33,147 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:17:33,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 487 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:17:33,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 09:17:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-10 09:17:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:17:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-10 09:17:33,165 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 162 [2024-11-10 09:17:33,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:33,166 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-10 09:17:33,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-10 09:17:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:17:33,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:33,170 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:33,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:17:33,170 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:33,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:33,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1770763196, now seen corresponding path program 1 times [2024-11-10 09:17:33,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:33,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123939950] [2024-11-10 09:17:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:33,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:34,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:34,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123939950] [2024-11-10 09:17:34,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123939950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:34,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:34,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:17:34,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942123722] [2024-11-10 09:17:34,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:34,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:17:34,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:17:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:17:34,558 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:35,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:35,202 INFO L93 Difference]: Finished difference Result 404 states and 575 transitions. [2024-11-10 09:17:35,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:17:35,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-10 09:17:35,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:35,205 INFO L225 Difference]: With dead ends: 404 [2024-11-10 09:17:35,205 INFO L226 Difference]: Without dead ends: 285 [2024-11-10 09:17:35,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:17:35,206 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 389 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:17:35,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1002 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:17:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-10 09:17:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 236. [2024-11-10 09:17:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:17:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 339 transitions. [2024-11-10 09:17:35,247 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 339 transitions. Word has length 162 [2024-11-10 09:17:35,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:35,247 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 339 transitions. [2024-11-10 09:17:35,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:17:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 339 transitions. [2024-11-10 09:17:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:17:35,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:35,250 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:35,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:17:35,251 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:35,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:35,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1016652291, now seen corresponding path program 1 times [2024-11-10 09:17:35,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:35,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95407012] [2024-11-10 09:17:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-10 09:17:39,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95407012] [2024-11-10 09:17:39,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95407012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:39,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:39,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:17:39,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058701379] [2024-11-10 09:17:39,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:39,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:17:39,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:39,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:17:39,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:17:39,011 INFO L87 Difference]: Start difference. First operand 236 states and 339 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:17:50,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-10 09:17:56,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:56,280 INFO L93 Difference]: Finished difference Result 783 states and 1116 transitions. [2024-11-10 09:17:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 09:17:56,280 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-11-10 09:17:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:56,284 INFO L225 Difference]: With dead ends: 783 [2024-11-10 09:17:56,284 INFO L226 Difference]: Without dead ends: 550 [2024-11-10 09:17:56,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=161, Invalid=709, Unknown=0, NotChecked=0, Total=870 [2024-11-10 09:17:56,286 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 413 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:17:56,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1334 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-10 09:17:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-10 09:17:56,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 366. [2024-11-10 09:17:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 303 states have internal predecessors, (405), 57 states have call successors, (57), 5 states have call predecessors, (57), 5 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 09:17:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 519 transitions. [2024-11-10 09:17:56,334 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 519 transitions. Word has length 162 [2024-11-10 09:17:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:56,335 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 519 transitions. [2024-11-10 09:17:56,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:17:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 519 transitions. [2024-11-10 09:17:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:17:56,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:56,337 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:56,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:17:56,338 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:56,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:56,338 INFO L85 PathProgramCache]: Analyzing trace with hash -261568736, now seen corresponding path program 1 times [2024-11-10 09:17:56,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:56,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99268818] [2024-11-10 09:17:56,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:56,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:57,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99268818] [2024-11-10 09:17:57,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99268818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:57,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:17:57,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244550013] [2024-11-10 09:17:57,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:57,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:17:57,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:57,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:17:57,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:17:57,521 INFO L87 Difference]: Start difference. First operand 366 states and 519 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:17:58,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:17:58,136 INFO L93 Difference]: Finished difference Result 1107 states and 1574 transitions. [2024-11-10 09:17:58,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:17:58,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 162 [2024-11-10 09:17:58,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:17:58,143 INFO L225 Difference]: With dead ends: 1107 [2024-11-10 09:17:58,143 INFO L226 Difference]: Without dead ends: 744 [2024-11-10 09:17:58,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:17:58,147 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 214 mSDsluCounter, 1373 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:17:58,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 1630 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:17:58,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-10 09:17:58,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 683. [2024-11-10 09:17:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 575 states have (on average 1.337391304347826) internal successors, (769), 578 states have internal predecessors, (769), 99 states have call successors, (99), 8 states have call predecessors, (99), 8 states have return successors, (99), 96 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-10 09:17:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 967 transitions. [2024-11-10 09:17:58,242 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 967 transitions. Word has length 162 [2024-11-10 09:17:58,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:17:58,243 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 967 transitions. [2024-11-10 09:17:58,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:17:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 967 transitions. [2024-11-10 09:17:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 09:17:58,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:17:58,245 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:17:58,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:17:58,246 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:17:58,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:17:58,246 INFO L85 PathProgramCache]: Analyzing trace with hash 32919416, now seen corresponding path program 1 times [2024-11-10 09:17:58,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:17:58,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178801280] [2024-11-10 09:17:58,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:17:58,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:17:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:17:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:17:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:17:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:17:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:17:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:17:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:17:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:17:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:17:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:17:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:17:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:17:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:17:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:17:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:17:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:17:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:17:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:17:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:17:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:17:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:17:59,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:17:59,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178801280] [2024-11-10 09:17:59,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178801280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:17:59,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:17:59,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:17:59,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922517514] [2024-11-10 09:17:59,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:17:59,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:17:59,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:17:59,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:17:59,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:17:59,428 INFO L87 Difference]: Start difference. First operand 683 states and 967 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:18:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:00,419 INFO L93 Difference]: Finished difference Result 1696 states and 2380 transitions. [2024-11-10 09:18:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:18:00,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 09:18:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:00,426 INFO L225 Difference]: With dead ends: 1696 [2024-11-10 09:18:00,427 INFO L226 Difference]: Without dead ends: 1016 [2024-11-10 09:18:00,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:18:00,429 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 288 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:00,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1177 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:18:00,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-10 09:18:00,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 829. [2024-11-10 09:18:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 699 states have (on average 1.3290414878397712) internal successors, (929), 702 states have internal predecessors, (929), 118 states have call successors, (118), 11 states have call predecessors, (118), 11 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-10 09:18:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1165 transitions. [2024-11-10 09:18:00,554 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1165 transitions. Word has length 163 [2024-11-10 09:18:00,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:00,554 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1165 transitions. [2024-11-10 09:18:00,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:18:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1165 transitions. [2024-11-10 09:18:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 09:18:00,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:00,557 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:00,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 09:18:00,558 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:00,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1744162101, now seen corresponding path program 1 times [2024-11-10 09:18:00,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:00,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051088758] [2024-11-10 09:18:00,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:00,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:01,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:01,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051088758] [2024-11-10 09:18:01,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051088758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:01,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:01,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:18:01,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993228560] [2024-11-10 09:18:01,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:01,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:18:01,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:01,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:18:01,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:18:01,220 INFO L87 Difference]: Start difference. First operand 829 states and 1165 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:01,757 INFO L93 Difference]: Finished difference Result 1621 states and 2274 transitions. [2024-11-10 09:18:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:18:01,758 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-11-10 09:18:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:01,764 INFO L225 Difference]: With dead ends: 1621 [2024-11-10 09:18:01,764 INFO L226 Difference]: Without dead ends: 930 [2024-11-10 09:18:01,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:18:01,767 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 424 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:01,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 770 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:18:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-10 09:18:01,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 829. [2024-11-10 09:18:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 699 states have (on average 1.3247496423462088) internal successors, (926), 702 states have internal predecessors, (926), 118 states have call successors, (118), 11 states have call predecessors, (118), 11 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-10 09:18:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1162 transitions. [2024-11-10 09:18:01,892 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1162 transitions. Word has length 163 [2024-11-10 09:18:01,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:01,893 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1162 transitions. [2024-11-10 09:18:01,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1162 transitions. [2024-11-10 09:18:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 09:18:01,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:01,896 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:01,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:18:01,896 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:01,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:01,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1335337876, now seen corresponding path program 1 times [2024-11-10 09:18:01,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:01,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808273163] [2024-11-10 09:18:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:02,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:02,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808273163] [2024-11-10 09:18:02,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808273163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:02,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:02,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:18:02,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393460476] [2024-11-10 09:18:02,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:02,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:18:02,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:02,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:18:02,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:18:02,333 INFO L87 Difference]: Start difference. First operand 829 states and 1162 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:02,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:02,617 INFO L93 Difference]: Finished difference Result 2216 states and 3121 transitions. [2024-11-10 09:18:02,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 09:18:02,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-11-10 09:18:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:02,628 INFO L225 Difference]: With dead ends: 2216 [2024-11-10 09:18:02,629 INFO L226 Difference]: Without dead ends: 1536 [2024-11-10 09:18:02,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:18:02,631 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 164 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:02,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1404 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:18:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-11-10 09:18:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1509. [2024-11-10 09:18:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1272 states have (on average 1.3254716981132075) internal successors, (1686), 1278 states have internal predecessors, (1686), 217 states have call successors, (217), 19 states have call predecessors, (217), 19 states have return successors, (217), 211 states have call predecessors, (217), 217 states have call successors, (217) [2024-11-10 09:18:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2120 transitions. [2024-11-10 09:18:02,836 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2120 transitions. Word has length 163 [2024-11-10 09:18:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:02,837 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2120 transitions. [2024-11-10 09:18:02,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2120 transitions. [2024-11-10 09:18:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 09:18:02,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:02,839 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:02,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:18:02,840 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:02,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:02,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1840599051, now seen corresponding path program 1 times [2024-11-10 09:18:02,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:02,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753834815] [2024-11-10 09:18:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:03,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:03,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753834815] [2024-11-10 09:18:03,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753834815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:03,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:03,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:18:03,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592297221] [2024-11-10 09:18:03,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:03,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:18:03,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:03,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:18:03,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:18:03,889 INFO L87 Difference]: Start difference. First operand 1509 states and 2120 transitions. Second operand has 12 states, 10 states have (on average 7.1) internal successors, (71), 12 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:18:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:04,747 INFO L93 Difference]: Finished difference Result 2678 states and 3761 transitions. [2024-11-10 09:18:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:18:04,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 12 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 09:18:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:04,757 INFO L225 Difference]: With dead ends: 2678 [2024-11-10 09:18:04,758 INFO L226 Difference]: Without dead ends: 1768 [2024-11-10 09:18:04,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:18:04,762 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 267 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:04,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1176 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:18:04,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2024-11-10 09:18:04,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1513. [2024-11-10 09:18:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1276 states have (on average 1.3244514106583072) internal successors, (1690), 1282 states have internal predecessors, (1690), 217 states have call successors, (217), 19 states have call predecessors, (217), 19 states have return successors, (217), 211 states have call predecessors, (217), 217 states have call successors, (217) [2024-11-10 09:18:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2124 transitions. [2024-11-10 09:18:04,984 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2124 transitions. Word has length 163 [2024-11-10 09:18:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:04,986 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2124 transitions. [2024-11-10 09:18:04,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.1) internal successors, (71), 12 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:18:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2124 transitions. [2024-11-10 09:18:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 09:18:04,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:04,989 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:04,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:18:04,989 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:04,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2045544020, now seen corresponding path program 1 times [2024-11-10 09:18:04,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:04,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11036533] [2024-11-10 09:18:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:04,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:06,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:06,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11036533] [2024-11-10 09:18:06,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11036533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:06,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:06,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:18:06,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406100186] [2024-11-10 09:18:06,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:18:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:06,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:18:06,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:18:06,138 INFO L87 Difference]: Start difference. First operand 1513 states and 2124 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:18:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:07,350 INFO L93 Difference]: Finished difference Result 3221 states and 4552 transitions. [2024-11-10 09:18:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:18:07,351 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2024-11-10 09:18:07,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:07,363 INFO L225 Difference]: With dead ends: 3221 [2024-11-10 09:18:07,363 INFO L226 Difference]: Without dead ends: 2318 [2024-11-10 09:18:07,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:18:07,367 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 392 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:07,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1229 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:18:07,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2024-11-10 09:18:07,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1515. [2024-11-10 09:18:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1278 states have (on average 1.3231611893583723) internal successors, (1691), 1284 states have internal predecessors, (1691), 217 states have call successors, (217), 19 states have call predecessors, (217), 19 states have return successors, (217), 211 states have call predecessors, (217), 217 states have call successors, (217) [2024-11-10 09:18:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2125 transitions. [2024-11-10 09:18:07,609 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2125 transitions. Word has length 163 [2024-11-10 09:18:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:07,610 INFO L471 AbstractCegarLoop]: Abstraction has 1515 states and 2125 transitions. [2024-11-10 09:18:07,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:18:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2125 transitions. [2024-11-10 09:18:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:18:07,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:07,613 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:07,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:18:07,614 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:07,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:07,614 INFO L85 PathProgramCache]: Analyzing trace with hash 3632006, now seen corresponding path program 1 times [2024-11-10 09:18:07,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:07,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235335091] [2024-11-10 09:18:07,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:07,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:07,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:07,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235335091] [2024-11-10 09:18:07,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235335091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:07,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:07,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:18:07,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88730809] [2024-11-10 09:18:07,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:07,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:18:07,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:07,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:18:07,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:18:07,825 INFO L87 Difference]: Start difference. First operand 1515 states and 2125 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:08,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:08,014 INFO L93 Difference]: Finished difference Result 2886 states and 4063 transitions. [2024-11-10 09:18:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:18:08,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-10 09:18:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:08,023 INFO L225 Difference]: With dead ends: 2886 [2024-11-10 09:18:08,023 INFO L226 Difference]: Without dead ends: 1551 [2024-11-10 09:18:08,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:18:08,028 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:08,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:18:08,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2024-11-10 09:18:08,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1551. [2024-11-10 09:18:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1314 states have (on average 1.3143074581430745) internal successors, (1727), 1320 states have internal predecessors, (1727), 217 states have call successors, (217), 19 states have call predecessors, (217), 19 states have return successors, (217), 211 states have call predecessors, (217), 217 states have call successors, (217) [2024-11-10 09:18:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2161 transitions. [2024-11-10 09:18:08,236 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2161 transitions. Word has length 164 [2024-11-10 09:18:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:08,237 INFO L471 AbstractCegarLoop]: Abstraction has 1551 states and 2161 transitions. [2024-11-10 09:18:08,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2161 transitions. [2024-11-10 09:18:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:18:08,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:08,240 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:08,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:18:08,241 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:08,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash -891108930, now seen corresponding path program 1 times [2024-11-10 09:18:08,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:08,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339432893] [2024-11-10 09:18:08,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:09,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:09,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339432893] [2024-11-10 09:18:09,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339432893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:09,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:09,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:18:09,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309364041] [2024-11-10 09:18:09,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:09,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:18:09,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:09,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:18:09,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:18:09,420 INFO L87 Difference]: Start difference. First operand 1551 states and 2161 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:18:10,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:10,666 INFO L93 Difference]: Finished difference Result 3235 states and 4495 transitions. [2024-11-10 09:18:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:18:10,667 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 164 [2024-11-10 09:18:10,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:10,676 INFO L225 Difference]: With dead ends: 3235 [2024-11-10 09:18:10,677 INFO L226 Difference]: Without dead ends: 1864 [2024-11-10 09:18:10,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:18:10,682 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 397 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:10,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1182 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:18:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2024-11-10 09:18:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1583. [2024-11-10 09:18:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1346 states have (on average 1.3083209509658247) internal successors, (1761), 1352 states have internal predecessors, (1761), 217 states have call successors, (217), 19 states have call predecessors, (217), 19 states have return successors, (217), 211 states have call predecessors, (217), 217 states have call successors, (217) [2024-11-10 09:18:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2195 transitions. [2024-11-10 09:18:10,907 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2195 transitions. Word has length 164 [2024-11-10 09:18:10,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:10,907 INFO L471 AbstractCegarLoop]: Abstraction has 1583 states and 2195 transitions. [2024-11-10 09:18:10,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:18:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2195 transitions. [2024-11-10 09:18:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 09:18:10,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:10,910 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:10,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 09:18:10,910 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:10,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:10,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1878674258, now seen corresponding path program 1 times [2024-11-10 09:18:10,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:10,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428007820] [2024-11-10 09:18:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:10,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:18:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:18:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:18:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:18:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 09:18:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:18:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:18:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:18:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:18:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:18:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:18:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:18:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:18:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:18:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:18:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:18:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:18:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:18:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:18:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:18:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:18:11,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:18:11,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428007820] [2024-11-10 09:18:11,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428007820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:18:11,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:18:11,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:18:11,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035655660] [2024-11-10 09:18:11,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:18:11,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:18:11,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:18:11,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:18:11,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:18:11,509 INFO L87 Difference]: Start difference. First operand 1583 states and 2195 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:12,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:18:12,525 INFO L93 Difference]: Finished difference Result 3054 states and 4235 transitions. [2024-11-10 09:18:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:18:12,526 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 165 [2024-11-10 09:18:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:18:12,538 INFO L225 Difference]: With dead ends: 3054 [2024-11-10 09:18:12,538 INFO L226 Difference]: Without dead ends: 2593 [2024-11-10 09:18:12,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:18:12,541 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 552 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:18:12,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1671 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:18:12,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2024-11-10 09:18:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2058. [2024-11-10 09:18:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 1751 states have (on average 1.3123929183323815) internal successors, (2298), 1759 states have internal predecessors, (2298), 283 states have call successors, (283), 23 states have call predecessors, (283), 23 states have return successors, (283), 275 states have call predecessors, (283), 283 states have call successors, (283) [2024-11-10 09:18:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2864 transitions. [2024-11-10 09:18:12,768 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2864 transitions. Word has length 165 [2024-11-10 09:18:12,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:18:12,769 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2864 transitions. [2024-11-10 09:18:12,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:18:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2864 transitions. [2024-11-10 09:18:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 09:18:12,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:18:12,772 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:18:12,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:18:12,773 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:18:12,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:18:12,774 INFO L85 PathProgramCache]: Analyzing trace with hash -908741229, now seen corresponding path program 1 times [2024-11-10 09:18:12,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:18:12,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931986353] [2024-11-10 09:18:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:18:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:18:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat