./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db4292ffbdd6738d463d7123be4385279117f56fc7d42e6eafbd16b6955555da --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:59:39,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:59:39,669 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:59:39,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:59:39,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:59:39,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:59:39,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:59:39,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:59:39,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:59:39,691 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:59:39,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:59:39,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:59:39,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:59:39,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:59:39,693 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:59:39,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:59:39,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:59:39,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:59:39,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:59:39,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:59:39,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:59:39,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:59:39,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:59:39,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:59:39,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:59:39,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:59:39,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:59:39,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:59:39,701 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:59:39,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:59:39,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:59:39,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:59:39,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:59:39,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:59:39,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:59:39,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:59:39,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:59:39,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:59:39,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:59:39,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:59:39,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:59:39,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:59:39,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4292ffbdd6738d463d7123be4385279117f56fc7d42e6eafbd16b6955555da [2024-11-10 09:59:40,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:59:40,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:59:40,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:59:40,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:59:40,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:59:40,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i [2024-11-10 09:59:41,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:59:41,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:59:41,788 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i [2024-11-10 09:59:41,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0ecb8be/c770afa8205b40f795cf78f491cb305a/FLAG0e19b3ff6 [2024-11-10 09:59:42,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0ecb8be/c770afa8205b40f795cf78f491cb305a [2024-11-10 09:59:42,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:59:42,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:59:42,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:59:42,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:59:42,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:59:42,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29fd00bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42, skipping insertion in model container [2024-11-10 09:59:42,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:59:42,344 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-6.i[916,929] [2024-11-10 09:59:42,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:59:42,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:59:42,423 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-6.i[916,929] [2024-11-10 09:59:42,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:59:42,493 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:59:42,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42 WrapperNode [2024-11-10 09:59:42,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:59:42,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:59:42,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:59:42,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:59:42,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,594 INFO L138 Inliner]: procedures = 30, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 526 [2024-11-10 09:59:42,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:59:42,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:59:42,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:59:42,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:59:42,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,622 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-10 09:59:42,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,639 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:59:42,650 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:59:42,650 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:59:42,650 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:59:42,651 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (1/1) ... [2024-11-10 09:59:42,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:59:42,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:59:42,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 09:59:42,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-10 09:59:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 09:59:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:59:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:59:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 09:59:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:59:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:59:42,926 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:59:42,927 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:59:43,731 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: havoc property_#t~mem94#1;havoc property_#t~mem95#1;havoc property_#t~ite98#1;havoc property_#t~mem96#1;havoc property_#t~mem97#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~ite106#1;havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~ite105#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~mem107#1;havoc property_#t~ite118#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~ite115#1;havoc property_#t~mem114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem117#1;havoc property_#t~mem116#1;havoc property_#t~short119#1;havoc property_#t~ite124#1;havoc property_#t~mem123#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~short122#1;havoc property_#t~short125#1;havoc property_#t~mem126#1;havoc property_#t~mem127#1;havoc property_#t~ite135#1;havoc property_#t~mem134#1;havoc property_#t~mem128#1;havoc property_#t~mem129#1;havoc property_#t~ite132#1;havoc property_#t~mem130#1;havoc property_#t~mem131#1;havoc property_#t~mem133#1;havoc property_#t~short136#1;havoc property_#t~mem142#1;havoc property_#t~mem137#1;havoc property_#t~mem138#1;havoc property_#t~ite141#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~short143#1; [2024-11-10 09:59:43,828 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-10 09:59:43,828 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:59:43,851 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:59:43,851 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:59:43,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:59:43 BoogieIcfgContainer [2024-11-10 09:59:43,852 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:59:43,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:59:43,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:59:43,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:59:43,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:59:42" (1/3) ... [2024-11-10 09:59:43,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8d8b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:59:43, skipping insertion in model container [2024-11-10 09:59:43,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:42" (2/3) ... [2024-11-10 09:59:43,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8d8b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:59:43, skipping insertion in model container [2024-11-10 09:59:43,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:59:43" (3/3) ... [2024-11-10 09:59:43,861 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-6.i [2024-11-10 09:59:43,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:59:43,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:59:43,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:59:43,946 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;@3b4d4335, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:59:43,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:59:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:59:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:59:43,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:43,966 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:59:43,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:43,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:43,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2128280162, now seen corresponding path program 1 times [2024-11-10 09:59:43,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:43,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982896818] [2024-11-10 09:59:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:43,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:59:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 09:59:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:59:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:59:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:59:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:59:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:59:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:59:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:59:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:59:44,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:44,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982896818] [2024-11-10 09:59:44,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982896818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:44,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:44,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:59:44,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708079060] [2024-11-10 09:59:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:44,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:59:44,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:44,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:59:44,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:59:44,497 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:59:44,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:44,520 INFO L93 Difference]: Finished difference Result 242 states and 376 transitions. [2024-11-10 09:59:44,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:59:44,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-11-10 09:59:44,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:44,532 INFO L225 Difference]: With dead ends: 242 [2024-11-10 09:59:44,532 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 09:59:44,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:59:44,538 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:44,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:59:44,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 09:59:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 09:59:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:59:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-10 09:59:44,581 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 160 [2024-11-10 09:59:44,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:44,582 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-10 09:59:44,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:59:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-10 09:59:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:59:44,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:44,587 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:59:44,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:59:44,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:44,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:44,589 INFO L85 PathProgramCache]: Analyzing trace with hash -868714381, now seen corresponding path program 1 times [2024-11-10 09:59:44,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:44,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638544719] [2024-11-10 09:59:44,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:44,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:44,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:59:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 09:59:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:59:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:59:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:59:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:59:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:59:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:59:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:59:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:59:45,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:45,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638544719] [2024-11-10 09:59:45,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638544719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:45,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:45,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:59:45,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292983714] [2024-11-10 09:59:45,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:45,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:59:45,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:45,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:59:45,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:59:45,070 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:59:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:45,108 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-10 09:59:45,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:59:45,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-10 09:59:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:45,112 INFO L225 Difference]: With dead ends: 237 [2024-11-10 09:59:45,112 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 09:59:45,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:59:45,116 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:45,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 339 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:59:45,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 09:59:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 09:59:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:59:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-10 09:59:45,135 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 160 [2024-11-10 09:59:45,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:45,137 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-10 09:59:45,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:59:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-10 09:59:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:59:45,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:45,139 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:59:45,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:59:45,139 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:45,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:45,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1277538606, now seen corresponding path program 1 times [2024-11-10 09:59:45,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:45,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849310697] [2024-11-10 09:59:45,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:45,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:59:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 09:59:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:59:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:59:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:59:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:59:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:59:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:59:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:59:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:59:45,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:45,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849310697] [2024-11-10 09:59:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849310697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:45,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:45,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:59:45,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015885645] [2024-11-10 09:59:45,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:45,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:59:45,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:45,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:59:45,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:59:45,442 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:59:45,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:45,464 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-10 09:59:45,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:59:45,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-10 09:59:45,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:45,466 INFO L225 Difference]: With dead ends: 239 [2024-11-10 09:59:45,466 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 09:59:45,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:59:45,468 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:45,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:59:45,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 09:59:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-10 09:59:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:59:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-10 09:59:45,475 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 160 [2024-11-10 09:59:45,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:45,476 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-10 09:59:45,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:59:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-10 09:59:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:59:45,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:45,478 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:59:45,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:59:45,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:45,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:45,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1602369652, now seen corresponding path program 1 times [2024-11-10 09:59:45,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:45,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742744152] [2024-11-10 09:59:45,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:45,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:59:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 09:59:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:59:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:59:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:59:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:59:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:59:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:59:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:59:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:59:45,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:45,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742744152] [2024-11-10 09:59:45,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742744152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:45,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:45,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:59:45,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031905308] [2024-11-10 09:59:45,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:45,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:59:45,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:45,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:59:45,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:59:45,801 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:59:45,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:45,972 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-10 09:59:45,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:59:45,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-10 09:59:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:45,975 INFO L225 Difference]: With dead ends: 241 [2024-11-10 09:59:45,977 INFO L226 Difference]: Without dead ends: 122 [2024-11-10 09:59:45,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:59:45,978 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:45,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 450 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:59:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-10 09:59:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-10 09:59:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 09:59:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-10 09:59:45,993 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 162 [2024-11-10 09:59:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:45,994 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-10 09:59:45,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 09:59:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-10 09:59:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:59:45,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:46,000 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:59:46,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:59:46,000 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:46,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:46,000 INFO L85 PathProgramCache]: Analyzing trace with hash 605297299, now seen corresponding path program 1 times [2024-11-10 09:59:46,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:46,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721148926] [2024-11-10 09:59:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:46,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:59:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 09:59:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:59:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:59:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:59:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:59:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:59:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:59:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:59:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:59:48,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:48,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721148926] [2024-11-10 09:59:48,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721148926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:48,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:48,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 09:59:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214520098] [2024-11-10 09:59:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:48,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 09:59:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:48,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 09:59:48,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:59:48,620 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:59:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:50,074 INFO L93 Difference]: Finished difference Result 459 states and 650 transitions. [2024-11-10 09:59:50,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:59:50,075 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2024-11-10 09:59:50,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:50,077 INFO L225 Difference]: With dead ends: 459 [2024-11-10 09:59:50,077 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 09:59:50,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2024-11-10 09:59:50,079 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 310 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:50,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1039 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 09:59:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 09:59:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 247. [2024-11-10 09:59:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 206 states have (on average 1.3446601941747574) internal successors, (277), 206 states have internal predecessors, (277), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:50,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 353 transitions. [2024-11-10 09:59:50,097 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 353 transitions. Word has length 162 [2024-11-10 09:59:50,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:50,098 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 353 transitions. [2024-11-10 09:59:50,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:59:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 353 transitions. [2024-11-10 09:59:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:59:50,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:50,100 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:59:50,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:59:50,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:50,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2112849108, now seen corresponding path program 1 times [2024-11-10 09:59:50,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:50,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732282715] [2024-11-10 09:59:50,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:50,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 09:59:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 09:59:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:59:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:59:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:59:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:59:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:59:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:59:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 09:59:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-10 09:59:58,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:58,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732282715] [2024-11-10 09:59:58,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732282715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:59:58,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766930110] [2024-11-10 09:59:58,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:58,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:59:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:59:58,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 09:59:58,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 09:59:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:59,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-10 09:59:59,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:59:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 09:59:59,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 22 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 7 [2024-11-10 09:59:59,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:00,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:00,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:01,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:01,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:01,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:02,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:02,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:02,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:03,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:03,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-10 10:00:04,245 INFO L349 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2024-11-10 10:00:04,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 37 [2024-11-10 10:00:04,977 INFO L349 Elim1Store]: treesize reduction 61, result has 10.3 percent of original size [2024-11-10 10:00:04,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 40 [2024-11-10 10:00:06,097 INFO L349 Elim1Store]: treesize reduction 12, result has 75.5 percent of original size [2024-11-10 10:00:06,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 112 treesize of output 92 [2024-11-10 10:00:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-10 10:00:07,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 10:00:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:11,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766930110] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 10:00:11,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 10:00:11,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18, 12] total 35 [2024-11-10 10:00:11,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556333840] [2024-11-10 10:00:11,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:11,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 10:00:11,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:11,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 10:00:11,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1072, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 10:00:11,031 INFO L87 Difference]: Start difference. First operand 247 states and 353 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:13,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:13,404 INFO L93 Difference]: Finished difference Result 525 states and 747 transitions. [2024-11-10 10:00:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:00:13,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-10 10:00:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:13,410 INFO L225 Difference]: With dead ends: 525 [2024-11-10 10:00:13,410 INFO L226 Difference]: Without dead ends: 281 [2024-11-10 10:00:13,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=160, Invalid=1322, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 10:00:13,412 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 180 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:13,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 753 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 10:00:13,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-10 10:00:13,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 126. [2024-11-10 10:00:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 10:00:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 178 transitions. [2024-11-10 10:00:13,441 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 178 transitions. Word has length 162 [2024-11-10 10:00:13,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:13,442 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 178 transitions. [2024-11-10 10:00:13,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2024-11-10 10:00:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 10:00:13,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:13,443 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:13,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 10:00:13,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 10:00:13,644 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:13,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1427034633, now seen corresponding path program 1 times [2024-11-10 10:00:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:13,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920500079] [2024-11-10 10:00:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:14,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920500079] [2024-11-10 10:00:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920500079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:14,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:14,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 10:00:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031375310] [2024-11-10 10:00:14,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:14,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 10:00:14,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:14,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 10:00:14,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 10:00:14,896 INFO L87 Difference]: Start difference. First operand 126 states and 178 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:15,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:15,368 INFO L93 Difference]: Finished difference Result 300 states and 421 transitions. [2024-11-10 10:00:15,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:00:15,368 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-10 10:00:15,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:15,370 INFO L225 Difference]: With dead ends: 300 [2024-11-10 10:00:15,370 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 10:00:15,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-10 10:00:15,371 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 255 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:15,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 694 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 10:00:15,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 10:00:15,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 145. [2024-11-10 10:00:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 124 states have (on average 1.314516129032258) internal successors, (163), 124 states have internal predecessors, (163), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 10:00:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 201 transitions. [2024-11-10 10:00:15,383 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 201 transitions. Word has length 162 [2024-11-10 10:00:15,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:15,384 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 201 transitions. [2024-11-10 10:00:15,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 201 transitions. [2024-11-10 10:00:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:15,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:15,385 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:15,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 10:00:15,385 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:15,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:15,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1043683330, now seen corresponding path program 1 times [2024-11-10 10:00:15,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:15,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447073587] [2024-11-10 10:00:15,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:17,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:17,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447073587] [2024-11-10 10:00:17,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447073587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:17,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:17,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:00:17,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736976333] [2024-11-10 10:00:17,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:17,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:00:17,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:17,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:00:17,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:00:17,532 INFO L87 Difference]: Start difference. First operand 145 states and 201 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:19,164 INFO L93 Difference]: Finished difference Result 480 states and 665 transitions. [2024-11-10 10:00:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 10:00:19,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:19,166 INFO L225 Difference]: With dead ends: 480 [2024-11-10 10:00:19,166 INFO L226 Difference]: Without dead ends: 338 [2024-11-10 10:00:19,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-10 10:00:19,168 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 324 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:19,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 921 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 10:00:19,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-10 10:00:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 229. [2024-11-10 10:00:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 188 states have (on average 1.303191489361702) internal successors, (245), 188 states have internal predecessors, (245), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 321 transitions. [2024-11-10 10:00:19,206 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 321 transitions. Word has length 163 [2024-11-10 10:00:19,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:19,206 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 321 transitions. [2024-11-10 10:00:19,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 321 transitions. [2024-11-10 10:00:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:19,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:19,208 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:19,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 10:00:19,208 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:19,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:19,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1736785027, now seen corresponding path program 1 times [2024-11-10 10:00:19,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:19,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745650287] [2024-11-10 10:00:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:21,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:21,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745650287] [2024-11-10 10:00:21,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745650287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:21,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:21,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:00:21,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279646999] [2024-11-10 10:00:21,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:21,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:00:21,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:21,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:00:21,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:00:21,573 INFO L87 Difference]: Start difference. First operand 229 states and 321 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:22,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:22,890 INFO L93 Difference]: Finished difference Result 496 states and 685 transitions. [2024-11-10 10:00:22,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 10:00:22,890 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:22,892 INFO L225 Difference]: With dead ends: 496 [2024-11-10 10:00:22,892 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 10:00:22,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-10 10:00:22,893 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 386 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:22,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 784 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 10:00:22,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 10:00:22,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 229. [2024-11-10 10:00:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 188 states have (on average 1.303191489361702) internal successors, (245), 188 states have internal predecessors, (245), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 321 transitions. [2024-11-10 10:00:22,918 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 321 transitions. Word has length 163 [2024-11-10 10:00:22,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:22,920 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 321 transitions. [2024-11-10 10:00:22,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 321 transitions. [2024-11-10 10:00:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:22,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:22,921 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:22,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 10:00:22,921 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:22,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:22,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1533094151, now seen corresponding path program 1 times [2024-11-10 10:00:22,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:22,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389268004] [2024-11-10 10:00:22,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:22,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:25,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:25,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389268004] [2024-11-10 10:00:25,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389268004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:25,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:25,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 10:00:25,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079829160] [2024-11-10 10:00:25,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:25,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 10:00:25,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:25,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 10:00:25,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 10:00:25,881 INFO L87 Difference]: Start difference. First operand 229 states and 321 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:27,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:27,105 INFO L93 Difference]: Finished difference Result 518 states and 720 transitions. [2024-11-10 10:00:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 10:00:27,105 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:27,107 INFO L225 Difference]: With dead ends: 518 [2024-11-10 10:00:27,108 INFO L226 Difference]: Without dead ends: 376 [2024-11-10 10:00:27,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-10 10:00:27,112 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 149 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:27,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1051 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 10:00:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-10 10:00:27,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 367. [2024-11-10 10:00:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 306 states have (on average 1.2973856209150327) internal successors, (397), 306 states have internal predecessors, (397), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 10:00:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 511 transitions. [2024-11-10 10:00:27,157 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 511 transitions. Word has length 163 [2024-11-10 10:00:27,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:27,158 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 511 transitions. [2024-11-10 10:00:27,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 511 transitions. [2024-11-10 10:00:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:27,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:27,159 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:27,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 10:00:27,160 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:27,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:27,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1941918376, now seen corresponding path program 1 times [2024-11-10 10:00:27,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:27,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753207964] [2024-11-10 10:00:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:29,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:29,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753207964] [2024-11-10 10:00:29,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753207964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:29,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:29,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 10:00:29,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710867276] [2024-11-10 10:00:29,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:29,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 10:00:29,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 10:00:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-10 10:00:29,153 INFO L87 Difference]: Start difference. First operand 367 states and 511 transitions. Second operand has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 15 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:30,871 INFO L93 Difference]: Finished difference Result 810 states and 1113 transitions. [2024-11-10 10:00:30,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 10:00:30,872 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 15 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:30,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:30,874 INFO L225 Difference]: With dead ends: 810 [2024-11-10 10:00:30,875 INFO L226 Difference]: Without dead ends: 668 [2024-11-10 10:00:30,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2024-11-10 10:00:30,881 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 363 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:30,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1234 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 10:00:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-10 10:00:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 514. [2024-11-10 10:00:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 433 states have (on average 1.3048498845265588) internal successors, (565), 433 states have internal predecessors, (565), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 717 transitions. [2024-11-10 10:00:30,933 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 717 transitions. Word has length 163 [2024-11-10 10:00:30,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:30,933 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 717 transitions. [2024-11-10 10:00:30,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 15 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 717 transitions. [2024-11-10 10:00:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:30,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:30,941 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:30,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 10:00:30,941 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:30,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:30,941 INFO L85 PathProgramCache]: Analyzing trace with hash -434366567, now seen corresponding path program 1 times [2024-11-10 10:00:30,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:30,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999988120] [2024-11-10 10:00:30,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:30,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:31,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:31,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999988120] [2024-11-10 10:00:31,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999988120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:31,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:31,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 10:00:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275042161] [2024-11-10 10:00:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:31,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 10:00:31,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:31,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 10:00:31,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:00:31,273 INFO L87 Difference]: Start difference. First operand 514 states and 717 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:31,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:31,538 INFO L93 Difference]: Finished difference Result 699 states and 972 transitions. [2024-11-10 10:00:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:00:31,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2024-11-10 10:00:31,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:31,541 INFO L225 Difference]: With dead ends: 699 [2024-11-10 10:00:31,541 INFO L226 Difference]: Without dead ends: 557 [2024-11-10 10:00:31,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 10:00:31,542 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 49 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:31,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 787 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:00:31,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-10 10:00:31,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 520. [2024-11-10 10:00:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 439 states have (on average 1.3052391799544418) internal successors, (573), 439 states have internal predecessors, (573), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 725 transitions. [2024-11-10 10:00:31,569 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 725 transitions. Word has length 163 [2024-11-10 10:00:31,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:31,569 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 725 transitions. [2024-11-10 10:00:31,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 725 transitions. [2024-11-10 10:00:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:31,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:31,571 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:31,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 10:00:31,571 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:31,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:31,571 INFO L85 PathProgramCache]: Analyzing trace with hash 320716988, now seen corresponding path program 1 times [2024-11-10 10:00:31,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:31,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085371726] [2024-11-10 10:00:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:32,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:32,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085371726] [2024-11-10 10:00:32,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085371726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:32,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:32,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 10:00:32,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968909044] [2024-11-10 10:00:32,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:32,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 10:00:32,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:32,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 10:00:32,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 10:00:32,793 INFO L87 Difference]: Start difference. First operand 520 states and 725 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:33,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:33,644 INFO L93 Difference]: Finished difference Result 753 states and 1045 transitions. [2024-11-10 10:00:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:00:33,644 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:33,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:33,647 INFO L225 Difference]: With dead ends: 753 [2024-11-10 10:00:33,647 INFO L226 Difference]: Without dead ends: 605 [2024-11-10 10:00:33,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-10 10:00:33,648 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 408 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:33,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 582 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 10:00:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-10 10:00:33,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 542. [2024-11-10 10:00:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 461 states have (on average 1.3058568329718003) internal successors, (602), 461 states have internal predecessors, (602), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 754 transitions. [2024-11-10 10:00:33,682 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 754 transitions. Word has length 163 [2024-11-10 10:00:33,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:33,682 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 754 transitions. [2024-11-10 10:00:33,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 754 transitions. [2024-11-10 10:00:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:33,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:33,683 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:33,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 10:00:33,683 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:33,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:33,684 INFO L85 PathProgramCache]: Analyzing trace with hash 684663802, now seen corresponding path program 1 times [2024-11-10 10:00:33,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:33,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573693883] [2024-11-10 10:00:33,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:35,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:35,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573693883] [2024-11-10 10:00:35,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573693883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:35,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:35,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 10:00:35,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69413490] [2024-11-10 10:00:35,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:35,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 10:00:35,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:35,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 10:00:35,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-10 10:00:35,108 INFO L87 Difference]: Start difference. First operand 542 states and 754 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:36,374 INFO L93 Difference]: Finished difference Result 829 states and 1146 transitions. [2024-11-10 10:00:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 10:00:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:36,378 INFO L225 Difference]: With dead ends: 829 [2024-11-10 10:00:36,378 INFO L226 Difference]: Without dead ends: 666 [2024-11-10 10:00:36,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2024-11-10 10:00:36,380 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 435 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:36,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 992 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 10:00:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-10 10:00:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 551. [2024-11-10 10:00:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 470 states have (on average 1.3063829787234043) internal successors, (614), 470 states have internal predecessors, (614), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 766 transitions. [2024-11-10 10:00:36,421 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 766 transitions. Word has length 163 [2024-11-10 10:00:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:36,422 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 766 transitions. [2024-11-10 10:00:36,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 766 transitions. [2024-11-10 10:00:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 10:00:36,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:36,423 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:36,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 10:00:36,423 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:36,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash 275839577, now seen corresponding path program 1 times [2024-11-10 10:00:36,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:36,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384906118] [2024-11-10 10:00:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:38,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:38,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384906118] [2024-11-10 10:00:38,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384906118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:38,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:38,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 10:00:38,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612484212] [2024-11-10 10:00:38,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:38,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 10:00:38,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:38,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 10:00:38,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-10 10:00:38,542 INFO L87 Difference]: Start difference. First operand 551 states and 766 transitions. Second operand has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:40,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:40,539 INFO L93 Difference]: Finished difference Result 857 states and 1179 transitions. [2024-11-10 10:00:40,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 10:00:40,539 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 163 [2024-11-10 10:00:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:40,542 INFO L225 Difference]: With dead ends: 857 [2024-11-10 10:00:40,542 INFO L226 Difference]: Without dead ends: 694 [2024-11-10 10:00:40,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2024-11-10 10:00:40,543 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 303 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:40,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 945 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 10:00:40,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2024-11-10 10:00:40,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 551. [2024-11-10 10:00:40,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 470 states have (on average 1.3063829787234043) internal successors, (614), 470 states have internal predecessors, (614), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 766 transitions. [2024-11-10 10:00:40,581 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 766 transitions. Word has length 163 [2024-11-10 10:00:40,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:40,582 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 766 transitions. [2024-11-10 10:00:40,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 766 transitions. [2024-11-10 10:00:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 10:00:40,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:40,583 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:40,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 10:00:40,583 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:40,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:40,584 INFO L85 PathProgramCache]: Analyzing trace with hash -680294507, now seen corresponding path program 1 times [2024-11-10 10:00:40,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:40,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325533244] [2024-11-10 10:00:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:40,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:42,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:42,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325533244] [2024-11-10 10:00:42,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325533244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:42,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:42,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 10:00:42,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949050493] [2024-11-10 10:00:42,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:42,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 10:00:42,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:42,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 10:00:42,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:00:42,263 INFO L87 Difference]: Start difference. First operand 551 states and 766 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:43,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:43,858 INFO L93 Difference]: Finished difference Result 915 states and 1254 transitions. [2024-11-10 10:00:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 10:00:43,859 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 164 [2024-11-10 10:00:43,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:43,862 INFO L225 Difference]: With dead ends: 915 [2024-11-10 10:00:43,862 INFO L226 Difference]: Without dead ends: 752 [2024-11-10 10:00:43,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:00:43,863 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 225 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:43,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1090 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 10:00:43,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-11-10 10:00:43,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 562. [2024-11-10 10:00:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 481 states have (on average 1.3035343035343034) internal successors, (627), 481 states have internal predecessors, (627), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 779 transitions. [2024-11-10 10:00:43,928 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 779 transitions. Word has length 164 [2024-11-10 10:00:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:43,928 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 779 transitions. [2024-11-10 10:00:43,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:43,929 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 779 transitions. [2024-11-10 10:00:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 10:00:43,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:43,929 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:43,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 10:00:43,930 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:43,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:43,930 INFO L85 PathProgramCache]: Analyzing trace with hash -691610634, now seen corresponding path program 1 times [2024-11-10 10:00:43,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063971379] [2024-11-10 10:00:43,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:43,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:45,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:45,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063971379] [2024-11-10 10:00:45,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063971379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:45,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:45,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 10:00:45,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967634384] [2024-11-10 10:00:45,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:45,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 10:00:45,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:45,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 10:00:45,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:00:45,909 INFO L87 Difference]: Start difference. First operand 562 states and 779 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:47,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:47,059 INFO L93 Difference]: Finished difference Result 936 states and 1286 transitions. [2024-11-10 10:00:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 10:00:47,059 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 164 [2024-11-10 10:00:47,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:47,062 INFO L225 Difference]: With dead ends: 936 [2024-11-10 10:00:47,062 INFO L226 Difference]: Without dead ends: 773 [2024-11-10 10:00:47,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:00:47,064 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 454 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:47,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 776 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 10:00:47,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-10 10:00:47,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 558. [2024-11-10 10:00:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 477 states have (on average 1.3039832285115305) internal successors, (622), 477 states have internal predecessors, (622), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 774 transitions. [2024-11-10 10:00:47,103 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 774 transitions. Word has length 164 [2024-11-10 10:00:47,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:47,103 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 774 transitions. [2024-11-10 10:00:47,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 774 transitions. [2024-11-10 10:00:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 10:00:47,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:47,104 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:47,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 10:00:47,105 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:47,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1228417063, now seen corresponding path program 1 times [2024-11-10 10:00:47,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:47,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836375957] [2024-11-10 10:00:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:47,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:47,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:47,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836375957] [2024-11-10 10:00:47,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836375957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:47,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:47,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:00:47,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075900541] [2024-11-10 10:00:47,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:47,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:00:47,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:00:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:00:47,375 INFO L87 Difference]: Start difference. First operand 558 states and 774 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:47,598 INFO L93 Difference]: Finished difference Result 1123 states and 1552 transitions. [2024-11-10 10:00:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 10:00:47,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-10 10:00:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:47,601 INFO L225 Difference]: With dead ends: 1123 [2024-11-10 10:00:47,601 INFO L226 Difference]: Without dead ends: 695 [2024-11-10 10:00:47,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:00:47,603 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 150 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:47,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 395 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:00:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-10 10:00:47,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 638. [2024-11-10 10:00:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 557 states have (on average 1.2908438061041292) internal successors, (719), 557 states have internal predecessors, (719), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 871 transitions. [2024-11-10 10:00:47,646 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 871 transitions. Word has length 164 [2024-11-10 10:00:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:47,646 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 871 transitions. [2024-11-10 10:00:47,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 871 transitions. [2024-11-10 10:00:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 10:00:47,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:47,649 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:47,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 10:00:47,650 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:47,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:47,650 INFO L85 PathProgramCache]: Analyzing trace with hash 82628181, now seen corresponding path program 1 times [2024-11-10 10:00:47,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:47,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095600697] [2024-11-10 10:00:47,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:49,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:49,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095600697] [2024-11-10 10:00:49,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095600697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:49,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:49,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:00:49,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523651100] [2024-11-10 10:00:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:49,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:00:49,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:00:49,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:00:49,509 INFO L87 Difference]: Start difference. First operand 638 states and 871 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:50,781 INFO L93 Difference]: Finished difference Result 1037 states and 1418 transitions. [2024-11-10 10:00:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 10:00:50,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 164 [2024-11-10 10:00:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:50,784 INFO L225 Difference]: With dead ends: 1037 [2024-11-10 10:00:50,784 INFO L226 Difference]: Without dead ends: 734 [2024-11-10 10:00:50,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-10 10:00:50,785 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 260 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:50,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 819 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 10:00:50,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-10 10:00:50,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 638. [2024-11-10 10:00:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 557 states have (on average 1.2872531418312387) internal successors, (717), 557 states have internal predecessors, (717), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 869 transitions. [2024-11-10 10:00:50,819 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 869 transitions. Word has length 164 [2024-11-10 10:00:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:50,819 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 869 transitions. [2024-11-10 10:00:50,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 869 transitions. [2024-11-10 10:00:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 10:00:50,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:50,821 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:50,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 10:00:50,821 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:50,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 977369117, now seen corresponding path program 1 times [2024-11-10 10:00:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:50,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625344052] [2024-11-10 10:00:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:50,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:50,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:50,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625344052] [2024-11-10 10:00:50,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625344052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:50,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:50,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:00:50,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017213212] [2024-11-10 10:00:50,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:50,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:00:50,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:50,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:00:50,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:00:50,949 INFO L87 Difference]: Start difference. First operand 638 states and 869 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:50,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:50,992 INFO L93 Difference]: Finished difference Result 1075 states and 1480 transitions. [2024-11-10 10:00:50,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:00:50,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 164 [2024-11-10 10:00:50,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:50,995 INFO L225 Difference]: With dead ends: 1075 [2024-11-10 10:00:50,995 INFO L226 Difference]: Without dead ends: 647 [2024-11-10 10:00:50,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:00:50,996 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:50,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:00:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-10 10:00:51,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2024-11-10 10:00:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 566 states have (on average 1.2826855123674912) internal successors, (726), 566 states have internal predecessors, (726), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 878 transitions. [2024-11-10 10:00:51,029 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 878 transitions. Word has length 164 [2024-11-10 10:00:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:51,029 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 878 transitions. [2024-11-10 10:00:51,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 878 transitions. [2024-11-10 10:00:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 10:00:51,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:51,030 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:51,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 10:00:51,030 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:51,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:51,030 INFO L85 PathProgramCache]: Analyzing trace with hash 318221628, now seen corresponding path program 1 times [2024-11-10 10:00:51,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:51,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703901369] [2024-11-10 10:00:51,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:51,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 10:00:52,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:52,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703901369] [2024-11-10 10:00:52,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703901369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:52,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:52,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 10:00:52,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446496778] [2024-11-10 10:00:52,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:52,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 10:00:52,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:52,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 10:00:52,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:00:52,614 INFO L87 Difference]: Start difference. First operand 647 states and 878 transitions. Second operand has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:53,755 INFO L93 Difference]: Finished difference Result 934 states and 1260 transitions. [2024-11-10 10:00:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 10:00:53,756 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 165 [2024-11-10 10:00:53,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:53,759 INFO L225 Difference]: With dead ends: 934 [2024-11-10 10:00:53,759 INFO L226 Difference]: Without dead ends: 764 [2024-11-10 10:00:53,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-10 10:00:53,760 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 376 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:53,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 693 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 10:00:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-10 10:00:53,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 656. [2024-11-10 10:00:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 575 states have (on average 1.2834782608695652) internal successors, (738), 575 states have internal predecessors, (738), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 10:00:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 890 transitions. [2024-11-10 10:00:53,800 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 890 transitions. Word has length 165 [2024-11-10 10:00:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:53,800 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 890 transitions. [2024-11-10 10:00:53,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.3) internal successors, (73), 11 states have internal predecessors, (73), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 890 transitions. [2024-11-10 10:00:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 10:00:53,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:53,801 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:00:53,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 10:00:53,801 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:53,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:53,802 INFO L85 PathProgramCache]: Analyzing trace with hash -883957092, now seen corresponding path program 1 times [2024-11-10 10:00:53,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:53,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789722911] [2024-11-10 10:00:53,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:53,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:00:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:00:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:00:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 10:00:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 10:00:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:00:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:00:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 10:00:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 10:00:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 33 proven. 21 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-10 10:00:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789722911] [2024-11-10 10:00:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789722911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:00:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829060895] [2024-11-10 10:00:55,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:00:55,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:00:55,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:00:55,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 10:00:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:55,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-10 10:00:55,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:00:55,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 62 [2024-11-10 10:00:55,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 83 [2024-11-10 10:00:56,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 83 [2024-11-10 10:00:56,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 83 [2024-11-10 10:00:56,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 83 [2024-11-10 10:00:56,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 83 [2024-11-10 10:00:56,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 83