./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.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 645cc8cd2ca5c3df18e88a30b2b1ec0d9c7b704a87e37ccd990a4988acc7530a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:02:29,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:02:29,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 10:02:29,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:02:29,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:02:29,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:02:29,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:02:29,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:02:29,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:02:29,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:02:29,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:02:29,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:02:29,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:02:29,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:02:29,806 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:02:29,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:02:29,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:02:29,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 10:02:29,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:02:29,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 10:02:29,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:02:29,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:02:29,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:02:29,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:02:29,809 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:02:29,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 10:02:29,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:02:29,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:02:29,810 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:02:29,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:02:29,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:02:29,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:02:29,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:02:29,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:02:29,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:02:29,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:02:29,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:02:29,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:02:29,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:02:29,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:02:29,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:02:29,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:02:29,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 645cc8cd2ca5c3df18e88a30b2b1ec0d9c7b704a87e37ccd990a4988acc7530a [2024-11-10 10:02:30,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:02:30,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:02:30,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:02:30,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:02:30,070 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:02:30,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i [2024-11-10 10:02:31,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:02:31,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:02:31,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i [2024-11-10 10:02:31,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55483e240/f995a0f7588c4f168b54b98cb0f7aeeb/FLAGe276b3618 [2024-11-10 10:02:31,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55483e240/f995a0f7588c4f168b54b98cb0f7aeeb [2024-11-10 10:02:31,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:02:31,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:02:31,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:02:31,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:02:31,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:02:31,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:02:31" (1/1) ... [2024-11-10 10:02:31,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5c3b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:31, skipping insertion in model container [2024-11-10 10:02:31,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:02:31" (1/1) ... [2024-11-10 10:02:32,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:02:32,210 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i[917,930] [2024-11-10 10:02:32,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:02:32,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:02:32,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i[917,930] [2024-11-10 10:02:32,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:02:32,336 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:02:32,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32 WrapperNode [2024-11-10 10:02:32,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:02:32,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:02:32,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:02:32,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:02:32,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,385 INFO L138 Inliner]: procedures = 30, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 438 [2024-11-10 10:02:32,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:02:32,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:02:32,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:02:32,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:02:32,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,412 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-10 10:02:32,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:02:32,435 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:02:32,436 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:02:32,436 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:02:32,436 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (1/1) ... [2024-11-10 10:02:32,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:02:32,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:02:32,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:02:32,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:02:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:02:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-10 10:02:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-10 10:02:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-10 10:02:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 10:02:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-10 10:02:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 10:02:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:02:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:02:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 10:02:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:02:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:02:32,588 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:02:32,590 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:02:33,014 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L135: havoc property_#t~ite90#1;havoc property_#t~mem87#1;havoc property_#t~mem86#1;havoc property_#t~mem73#1;havoc property_#t~mem74#1;havoc property_#t~ite77#1;havoc property_#t~mem75#1;havoc property_#t~mem76#1;havoc property_#t~mem78#1;havoc property_#t~ite85#1;havoc property_#t~mem79#1;havoc property_#t~mem80#1;havoc property_#t~ite83#1;havoc property_#t~mem81#1;havoc property_#t~mem82#1;havoc property_#t~mem84#1;havoc property_#t~mem89#1;havoc property_#t~mem88#1;havoc property_#t~mem91#1;havoc property_#t~ite95#1;havoc property_#t~mem94#1;havoc property_#t~mem92#1;havoc property_#t~mem93#1;havoc property_#t~short96#1;havoc property_#t~mem97#1;havoc property_#t~mem98#1;havoc property_#t~ite107#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~mem101#1;havoc property_#t~ite106#1;havoc property_#t~mem105#1;havoc property_#t~mem104#1;havoc property_#t~mem102#1;havoc property_#t~mem103#1;havoc property_#t~short108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~ite115#1;havoc property_#t~mem111#1;havoc property_#t~mem114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~short116#1;havoc property_#t~mem118#1;havoc property_#t~mem117#1;havoc property_#t~short119#1; [2024-11-10 10:02:33,046 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-10 10:02:33,046 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:02:33,058 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:02:33,059 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:02:33,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:02:33 BoogieIcfgContainer [2024-11-10 10:02:33,059 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:02:33,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:02:33,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:02:33,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:02:33,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:02:31" (1/3) ... [2024-11-10 10:02:33,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae81021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:02:33, skipping insertion in model container [2024-11-10 10:02:33,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:02:32" (2/3) ... [2024-11-10 10:02:33,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae81021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:02:33, skipping insertion in model container [2024-11-10 10:02:33,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:02:33" (3/3) ... [2024-11-10 10:02:33,067 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-84.i [2024-11-10 10:02:33,081 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:02:33,081 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:02:33,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:02:33,134 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;@7139befe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:02:33,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:02:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 84 states have internal predecessors, (111), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 10:02:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 10:02:33,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:33,154 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:33,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:33,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -338037139, now seen corresponding path program 1 times [2024-11-10 10:02:33,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:33,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434240278] [2024-11-10 10:02:33,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:33,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:02:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:02:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:02:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:02:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:02:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:02:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:02:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:02:33,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:33,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434240278] [2024-11-10 10:02:33,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434240278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:33,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:33,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 10:02:33,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361447482] [2024-11-10 10:02:33,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:33,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 10:02:33,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:33,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 10:02:33,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:02:33,723 INFO L87 Difference]: Start difference. First operand has 106 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 84 states have internal predecessors, (111), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-10 10:02:33,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:33,751 INFO L93 Difference]: Finished difference Result 204 states and 315 transitions. [2024-11-10 10:02:33,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 10:02:33,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 152 [2024-11-10 10:02:33,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:33,762 INFO L225 Difference]: With dead ends: 204 [2024-11-10 10:02:33,763 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 10:02:33,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:02:33,770 INFO L432 NwaCegarLoop]: 143 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, 143 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:33,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:02:33,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 10:02:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-10 10:02:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 10:02:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-11-10 10:02:33,820 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 152 [2024-11-10 10:02:33,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:33,821 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-11-10 10:02:33,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-10 10:02:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-10 10:02:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 10:02:33,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:33,826 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:33,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:02:33,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:33,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:33,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1334508155, now seen corresponding path program 1 times [2024-11-10 10:02:33,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:33,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130144216] [2024-11-10 10:02:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:33,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:02:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:02:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:02:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:02:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:02:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:02:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:02:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:02:34,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:34,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130144216] [2024-11-10 10:02:34,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130144216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:34,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:34,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:02:34,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816337788] [2024-11-10 10:02:34,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:34,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:02:34,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:34,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:02:34,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:02:34,669 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-10 10:02:35,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:35,099 INFO L93 Difference]: Finished difference Result 293 states and 416 transitions. [2024-11-10 10:02:35,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:02:35,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2024-11-10 10:02:35,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:35,102 INFO L225 Difference]: With dead ends: 293 [2024-11-10 10:02:35,102 INFO L226 Difference]: Without dead ends: 195 [2024-11-10 10:02:35,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 10:02:35,104 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 109 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:35,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 378 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 10:02:35,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-10 10:02:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 170. [2024-11-10 10:02:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 127 states have (on average 1.2677165354330708) internal successors, (161), 127 states have internal predecessors, (161), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 10:02:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 241 transitions. [2024-11-10 10:02:35,129 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 241 transitions. Word has length 152 [2024-11-10 10:02:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:35,130 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 241 transitions. [2024-11-10 10:02:35,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-10 10:02:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 241 transitions. [2024-11-10 10:02:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 10:02:35,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:35,132 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:35,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 10:02:35,132 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:35,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1472922249, now seen corresponding path program 1 times [2024-11-10 10:02:35,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:35,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050765862] [2024-11-10 10:02:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:35,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:02:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:02:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:02:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:02:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:02:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:02:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:02:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:02:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:40,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050765862] [2024-11-10 10:02:40,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050765862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:40,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:40,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-10 10:02:40,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401733900] [2024-11-10 10:02:40,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:40,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 10:02:40,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:40,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 10:02:40,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2024-11-10 10:02:40,260 INFO L87 Difference]: Start difference. First operand 170 states and 241 transitions. Second operand has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:02:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:42,634 INFO L93 Difference]: Finished difference Result 323 states and 457 transitions. [2024-11-10 10:02:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 10:02:42,635 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-10 10:02:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:42,638 INFO L225 Difference]: With dead ends: 323 [2024-11-10 10:02:42,640 INFO L226 Difference]: Without dead ends: 225 [2024-11-10 10:02:42,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-10 10:02:42,642 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 243 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:42,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 1191 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 10:02:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-10 10:02:42,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 196. [2024-11-10 10:02:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 153 states have (on average 1.2941176470588236) internal successors, (198), 153 states have internal predecessors, (198), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 10:02:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 278 transitions. [2024-11-10 10:02:42,682 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 278 transitions. Word has length 160 [2024-11-10 10:02:42,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:42,682 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 278 transitions. [2024-11-10 10:02:42,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:02:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 278 transitions. [2024-11-10 10:02:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-10 10:02:42,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:42,687 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:42,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 10:02:42,687 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:42,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:42,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1765131247, now seen corresponding path program 1 times [2024-11-10 10:02:42,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:42,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118944223] [2024-11-10 10:02:42,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:42,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:02:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:47,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:02:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:02:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:02:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:02:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:02:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:02:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:02:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:48,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118944223] [2024-11-10 10:02:48,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118944223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:48,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:48,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 10:02:48,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017352786] [2024-11-10 10:02:48,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:48,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 10:02:48,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 10:02:48,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-10 10:02:48,119 INFO L87 Difference]: Start difference. First operand 196 states and 278 transitions. Second operand has 20 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 20 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:02:52,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:02:52,574 INFO L93 Difference]: Finished difference Result 469 states and 653 transitions. [2024-11-10 10:02:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 10:02:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 20 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 161 [2024-11-10 10:02:52,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:02:52,576 INFO L225 Difference]: With dead ends: 469 [2024-11-10 10:02:52,576 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 10:02:52,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=249, Invalid=1157, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 10:02:52,580 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 399 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:02:52,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 1664 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 10:02:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 10:02:52,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 202. [2024-11-10 10:02:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 159 states have (on average 1.3081761006289307) internal successors, (208), 159 states have internal predecessors, (208), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 10:02:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 288 transitions. [2024-11-10 10:02:52,618 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 288 transitions. Word has length 161 [2024-11-10 10:02:52,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:02:52,619 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 288 transitions. [2024-11-10 10:02:52,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 20 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:02:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 288 transitions. [2024-11-10 10:02:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-10 10:02:52,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:02:52,624 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:02:52,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 10:02:52,625 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:02:52,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:02:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash -520366766, now seen corresponding path program 1 times [2024-11-10 10:02:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:02:52,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327519760] [2024-11-10 10:02:52,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:02:52,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:02:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:02:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:02:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:02:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:02:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:02:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:02:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:02:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:02:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:02:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:02:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:02:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:02:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:02:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:02:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:02:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:02:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:02:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:02:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:02:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:02:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:02:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:02:57,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:02:57,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327519760] [2024-11-10 10:02:57,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327519760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:02:57,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:02:57,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-10 10:02:57,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756074417] [2024-11-10 10:02:57,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:02:57,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 10:02:57,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:02:57,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 10:02:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-10 10:02:57,830 INFO L87 Difference]: Start difference. First operand 202 states and 288 transitions. Second operand has 22 states, 20 states have (on average 3.2) internal successors, (64), 22 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:00,198 INFO L93 Difference]: Finished difference Result 358 states and 508 transitions. [2024-11-10 10:03:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 10:03:00,199 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 3.2) internal successors, (64), 22 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 161 [2024-11-10 10:03:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:00,201 INFO L225 Difference]: With dead ends: 358 [2024-11-10 10:03:00,201 INFO L226 Difference]: Without dead ends: 241 [2024-11-10 10:03:00,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2024-11-10 10:03:00,202 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 243 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:00,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 1190 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 10:03:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-10 10:03:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 196. [2024-11-10 10:03:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 153 states have (on average 1.2941176470588236) internal successors, (198), 153 states have internal predecessors, (198), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 10:03:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 278 transitions. [2024-11-10 10:03:00,223 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 278 transitions. Word has length 161 [2024-11-10 10:03:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:00,223 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 278 transitions. [2024-11-10 10:03:00,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 3.2) internal successors, (64), 22 states have internal predecessors, (64), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 278 transitions. [2024-11-10 10:03:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:00,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:00,225 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:00,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 10:03:00,225 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:00,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:00,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1355830919, now seen corresponding path program 1 times [2024-11-10 10:03:00,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:00,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189261311] [2024-11-10 10:03:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:00,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:03,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:03,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189261311] [2024-11-10 10:03:03,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189261311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:03,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:03,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 10:03:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333249408] [2024-11-10 10:03:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:03,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 10:03:03,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:03,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 10:03:03,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-10 10:03:03,552 INFO L87 Difference]: Start difference. First operand 196 states and 278 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:05,433 INFO L93 Difference]: Finished difference Result 384 states and 540 transitions. [2024-11-10 10:03:05,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 10:03:05,434 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:05,436 INFO L225 Difference]: With dead ends: 384 [2024-11-10 10:03:05,436 INFO L226 Difference]: Without dead ends: 270 [2024-11-10 10:03:05,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2024-11-10 10:03:05,437 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 351 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:05,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 596 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 10:03:05,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-10 10:03:05,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2024-11-10 10:03:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 219 states have (on average 1.3196347031963471) internal successors, (289), 220 states have internal predecessors, (289), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 10:03:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 373 transitions. [2024-11-10 10:03:05,466 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 373 transitions. Word has length 162 [2024-11-10 10:03:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:05,466 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 373 transitions. [2024-11-10 10:03:05,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 373 transitions. [2024-11-10 10:03:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:05,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:05,469 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:05,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 10:03:05,469 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:05,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:05,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1585826680, now seen corresponding path program 1 times [2024-11-10 10:03:05,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:05,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247684012] [2024-11-10 10:03:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:05,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:08,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:08,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247684012] [2024-11-10 10:03:08,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247684012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:08,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:08,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 10:03:08,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142007390] [2024-11-10 10:03:08,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:08,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 10:03:08,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:08,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 10:03:08,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 10:03:08,407 INFO L87 Difference]: Start difference. First operand 266 states and 373 transitions. Second operand has 13 states, 11 states have (on average 5.909090909090909) internal successors, (65), 13 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:09,609 INFO L93 Difference]: Finished difference Result 493 states and 689 transitions. [2024-11-10 10:03:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 10:03:09,610 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.909090909090909) internal successors, (65), 13 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:09,613 INFO L225 Difference]: With dead ends: 493 [2024-11-10 10:03:09,613 INFO L226 Difference]: Without dead ends: 327 [2024-11-10 10:03:09,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-10 10:03:09,614 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 394 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:09,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 437 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 10:03:09,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-10 10:03:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 290. [2024-11-10 10:03:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 244 states have internal predecessors, (321), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 10:03:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 405 transitions. [2024-11-10 10:03:09,646 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 405 transitions. Word has length 162 [2024-11-10 10:03:09,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:09,646 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 405 transitions. [2024-11-10 10:03:09,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.909090909090909) internal successors, (65), 13 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 405 transitions. [2024-11-10 10:03:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:09,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:09,648 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:09,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 10:03:09,648 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:09,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:09,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1556053209, now seen corresponding path program 1 times [2024-11-10 10:03:09,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006359905] [2024-11-10 10:03:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:12,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:12,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006359905] [2024-11-10 10:03:12,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006359905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:12,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:12,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 10:03:12,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574836745] [2024-11-10 10:03:12,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:12,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 10:03:12,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:12,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 10:03:12,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-10 10:03:12,555 INFO L87 Difference]: Start difference. First operand 290 states and 405 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:14,285 INFO L93 Difference]: Finished difference Result 504 states and 701 transitions. [2024-11-10 10:03:14,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 10:03:14,286 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:14,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:14,287 INFO L225 Difference]: With dead ends: 504 [2024-11-10 10:03:14,287 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 10:03:14,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-11-10 10:03:14,289 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 248 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:14,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 581 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 10:03:14,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 10:03:14,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2024-11-10 10:03:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 243 states have (on average 1.316872427983539) internal successors, (320), 244 states have internal predecessors, (320), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 10:03:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 404 transitions. [2024-11-10 10:03:14,332 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 404 transitions. Word has length 162 [2024-11-10 10:03:14,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:14,332 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 404 transitions. [2024-11-10 10:03:14,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 404 transitions. [2024-11-10 10:03:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:14,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:14,333 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:14,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 10:03:14,333 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:14,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash -22821749, now seen corresponding path program 1 times [2024-11-10 10:03:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:14,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112290178] [2024-11-10 10:03:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:18,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:18,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112290178] [2024-11-10 10:03:18,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112290178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:18,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:18,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-10 10:03:18,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374093698] [2024-11-10 10:03:18,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:18,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 10:03:18,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:18,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 10:03:18,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-10 10:03:18,870 INFO L87 Difference]: Start difference. First operand 290 states and 404 transitions. Second operand has 21 states, 18 states have (on average 3.611111111111111) internal successors, (65), 21 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-10 10:03:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:22,455 INFO L93 Difference]: Finished difference Result 628 states and 867 transitions. [2024-11-10 10:03:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 10:03:22,456 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 3.611111111111111) internal successors, (65), 21 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) Word has length 162 [2024-11-10 10:03:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:22,458 INFO L225 Difference]: With dead ends: 628 [2024-11-10 10:03:22,458 INFO L226 Difference]: Without dead ends: 448 [2024-11-10 10:03:22,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=240, Invalid=1242, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 10:03:22,460 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 619 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:22,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 1290 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 10:03:22,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-10 10:03:22,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 394. [2024-11-10 10:03:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 343 states have (on average 1.3352769679300291) internal successors, (458), 344 states have internal predecessors, (458), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 10:03:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 546 transitions. [2024-11-10 10:03:22,510 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 546 transitions. Word has length 162 [2024-11-10 10:03:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:22,511 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 546 transitions. [2024-11-10 10:03:22,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 3.611111111111111) internal successors, (65), 21 states have internal predecessors, (65), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-10 10:03:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 546 transitions. [2024-11-10 10:03:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:22,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:22,512 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:22,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 10:03:22,513 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:22,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:22,513 INFO L85 PathProgramCache]: Analyzing trace with hash 8198058, now seen corresponding path program 1 times [2024-11-10 10:03:22,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:22,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204283258] [2024-11-10 10:03:22,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:22,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:23,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204283258] [2024-11-10 10:03:23,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204283258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:23,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:23,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:03:23,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847579504] [2024-11-10 10:03:23,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:23,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:03:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:03:23,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:03:23,576 INFO L87 Difference]: Start difference. First operand 394 states and 546 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-10 10:03:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:24,408 INFO L93 Difference]: Finished difference Result 750 states and 1032 transitions. [2024-11-10 10:03:24,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 10:03:24,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2024-11-10 10:03:24,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:24,411 INFO L225 Difference]: With dead ends: 750 [2024-11-10 10:03:24,411 INFO L226 Difference]: Without dead ends: 498 [2024-11-10 10:03:24,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-10 10:03:24,412 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 207 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:24,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 436 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 10:03:24,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-10 10:03:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 494. [2024-11-10 10:03:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 428 states have (on average 1.3177570093457944) internal successors, (564), 431 states have internal predecessors, (564), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 10:03:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 676 transitions. [2024-11-10 10:03:24,490 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 676 transitions. Word has length 162 [2024-11-10 10:03:24,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:24,490 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 676 transitions. [2024-11-10 10:03:24,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-10 10:03:24,491 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 676 transitions. [2024-11-10 10:03:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:24,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:24,492 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:24,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 10:03:24,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:24,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:24,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1706630856, now seen corresponding path program 1 times [2024-11-10 10:03:24,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:24,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479722866] [2024-11-10 10:03:24,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:24,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:25,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:25,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479722866] [2024-11-10 10:03:25,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479722866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:25,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:25,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 10:03:25,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546788968] [2024-11-10 10:03:25,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:25,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 10:03:25,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:25,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 10:03:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 10:03:25,456 INFO L87 Difference]: Start difference. First operand 494 states and 676 transitions. Second operand has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:26,327 INFO L93 Difference]: Finished difference Result 862 states and 1180 transitions. [2024-11-10 10:03:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:03:26,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:26,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:26,329 INFO L225 Difference]: With dead ends: 862 [2024-11-10 10:03:26,330 INFO L226 Difference]: Without dead ends: 494 [2024-11-10 10:03:26,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:03:26,331 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 113 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:26,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 366 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 10:03:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-10 10:03:26,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2024-11-10 10:03:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 428 states have (on average 1.3130841121495327) internal successors, (562), 431 states have internal predecessors, (562), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 10:03:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 674 transitions. [2024-11-10 10:03:26,400 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 674 transitions. Word has length 162 [2024-11-10 10:03:26,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:26,400 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 674 transitions. [2024-11-10 10:03:26,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 674 transitions. [2024-11-10 10:03:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:26,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:26,401 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:26,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 10:03:26,402 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:26,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:26,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1451894311, now seen corresponding path program 1 times [2024-11-10 10:03:26,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:26,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155199476] [2024-11-10 10:03:26,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:26,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:29,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:29,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155199476] [2024-11-10 10:03:29,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155199476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:29,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:29,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 10:03:29,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655582386] [2024-11-10 10:03:29,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:29,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 10:03:29,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:29,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 10:03:29,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 10:03:29,701 INFO L87 Difference]: Start difference. First operand 494 states and 674 transitions. Second operand has 15 states, 13 states have (on average 5.0) internal successors, (65), 15 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:31,942 INFO L93 Difference]: Finished difference Result 1009 states and 1371 transitions. [2024-11-10 10:03:31,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 10:03:31,942 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.0) internal successors, (65), 15 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:31,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:31,948 INFO L225 Difference]: With dead ends: 1009 [2024-11-10 10:03:31,948 INFO L226 Difference]: Without dead ends: 661 [2024-11-10 10:03:31,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-10 10:03:31,950 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 245 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:31,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 687 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 10:03:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-10 10:03:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 590. [2024-11-10 10:03:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 518 states have (on average 1.3204633204633205) internal successors, (684), 523 states have internal predecessors, (684), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 10:03:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 804 transitions. [2024-11-10 10:03:32,116 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 804 transitions. Word has length 162 [2024-11-10 10:03:32,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:32,117 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 804 transitions. [2024-11-10 10:03:32,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.0) internal successors, (65), 15 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 804 transitions. [2024-11-10 10:03:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:32,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:32,118 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:32,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 10:03:32,118 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:32,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:32,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1489763288, now seen corresponding path program 1 times [2024-11-10 10:03:32,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:32,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001494726] [2024-11-10 10:03:32,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:32,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:35,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:35,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001494726] [2024-11-10 10:03:35,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001494726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:35,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:35,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 10:03:35,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943844575] [2024-11-10 10:03:35,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:35,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 10:03:35,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:35,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 10:03:35,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-10 10:03:35,197 INFO L87 Difference]: Start difference. First operand 590 states and 804 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:37,171 INFO L93 Difference]: Finished difference Result 1135 states and 1533 transitions. [2024-11-10 10:03:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 10:03:37,171 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:37,175 INFO L225 Difference]: With dead ends: 1135 [2024-11-10 10:03:37,179 INFO L226 Difference]: Without dead ends: 691 [2024-11-10 10:03:37,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-10 10:03:37,181 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 216 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:37,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 660 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 10:03:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-10 10:03:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 512. [2024-11-10 10:03:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 446 states have (on average 1.3251121076233183) internal successors, (591), 449 states have internal predecessors, (591), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 10:03:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 703 transitions. [2024-11-10 10:03:37,308 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 703 transitions. Word has length 162 [2024-11-10 10:03:37,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:37,308 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 703 transitions. [2024-11-10 10:03:37,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 703 transitions. [2024-11-10 10:03:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:37,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:37,314 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:37,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 10:03:37,315 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:37,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:37,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1205253272, now seen corresponding path program 1 times [2024-11-10 10:03:37,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:37,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464550217] [2024-11-10 10:03:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:37,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:39,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:39,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464550217] [2024-11-10 10:03:39,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464550217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:39,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:39,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 10:03:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330808247] [2024-11-10 10:03:39,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:39,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 10:03:39,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:39,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 10:03:39,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:03:39,887 INFO L87 Difference]: Start difference. First operand 512 states and 703 transitions. Second operand has 12 states, 10 states have (on average 6.5) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:40,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:40,865 INFO L93 Difference]: Finished difference Result 1029 states and 1400 transitions. [2024-11-10 10:03:40,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:03:40,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.5) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:40,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:40,869 INFO L225 Difference]: With dead ends: 1029 [2024-11-10 10:03:40,869 INFO L226 Difference]: Without dead ends: 663 [2024-11-10 10:03:40,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-10 10:03:40,870 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 393 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:40,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 401 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 10:03:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-10 10:03:40,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 582. [2024-11-10 10:03:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 510 states have (on average 1.3137254901960784) internal successors, (670), 515 states have internal predecessors, (670), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 10:03:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 790 transitions. [2024-11-10 10:03:40,952 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 790 transitions. Word has length 162 [2024-11-10 10:03:40,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:40,953 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 790 transitions. [2024-11-10 10:03:40,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.5) internal successors, (65), 12 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 790 transitions. [2024-11-10 10:03:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:40,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:40,954 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:40,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 10:03:40,954 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:40,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:40,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2049725143, now seen corresponding path program 1 times [2024-11-10 10:03:40,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:40,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950491587] [2024-11-10 10:03:40,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950491587] [2024-11-10 10:03:41,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950491587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:41,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:41,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:03:41,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675404622] [2024-11-10 10:03:41,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:41,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:03:41,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:41,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:03:41,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:03:41,193 INFO L87 Difference]: Start difference. First operand 582 states and 790 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-10 10:03:41,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:41,490 INFO L93 Difference]: Finished difference Result 1035 states and 1408 transitions. [2024-11-10 10:03:41,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:03:41,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-10 10:03:41,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:41,493 INFO L225 Difference]: With dead ends: 1035 [2024-11-10 10:03:41,493 INFO L226 Difference]: Without dead ends: 599 [2024-11-10 10:03:41,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 10:03:41,494 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:41,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 440 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:03:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-10 10:03:41,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-11-10 10:03:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 527 states have (on average 1.3074003795066413) internal successors, (689), 532 states have internal predecessors, (689), 60 states have call successors, (60), 11 states have call predecessors, (60), 11 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 10:03:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 809 transitions. [2024-11-10 10:03:41,575 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 809 transitions. Word has length 162 [2024-11-10 10:03:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:41,576 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 809 transitions. [2024-11-10 10:03:41,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-10 10:03:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 809 transitions. [2024-11-10 10:03:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:03:41,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:41,577 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:41,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 10:03:41,578 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:41,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:41,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1734707976, now seen corresponding path program 1 times [2024-11-10 10:03:41,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:41,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452712042] [2024-11-10 10:03:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:41,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:03:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:03:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:03:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:03:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:03:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:03:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:03:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:03:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:03:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:03:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:03:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:03:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:03:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:03:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:03:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:03:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:03:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:03:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:03:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 10:03:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:03:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 10:03:44,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:03:44,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452712042] [2024-11-10 10:03:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452712042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:03:44,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:03:44,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 10:03:44,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405009277] [2024-11-10 10:03:44,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:03:44,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 10:03:44,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:03:44,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 10:03:44,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-10 10:03:44,055 INFO L87 Difference]: Start difference. First operand 599 states and 809 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:46,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:03:46,077 INFO L93 Difference]: Finished difference Result 1067 states and 1436 transitions. [2024-11-10 10:03:46,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 10:03:46,078 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-10 10:03:46,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:03:46,080 INFO L225 Difference]: With dead ends: 1067 [2024-11-10 10:03:46,080 INFO L226 Difference]: Without dead ends: 614 [2024-11-10 10:03:46,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-10 10:03:46,081 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 200 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 10:03:46,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 819 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 10:03:46,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-10 10:03:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 519. [2024-11-10 10:03:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 453 states have (on average 1.315673289183223) internal successors, (596), 456 states have internal predecessors, (596), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 53 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 10:03:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 708 transitions. [2024-11-10 10:03:46,182 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 708 transitions. Word has length 162 [2024-11-10 10:03:46,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:03:46,182 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 708 transitions. [2024-11-10 10:03:46,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 10:03:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 708 transitions. [2024-11-10 10:03:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:03:46,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:03:46,184 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:03:46,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 10:03:46,184 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:03:46,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:03:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1099995181, now seen corresponding path program 1 times [2024-11-10 10:03:46,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:03:46,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429436461] [2024-11-10 10:03:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:03:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:03:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat